<s>
The	O
is	O
a	O
standard	O
released	O
by	O
Olympus	O
and	O
Panasonic	O
in	O
2008	O
,	O
for	O
the	O
design	O
and	O
development	O
of	O
mirrorless	B-Device
interchangeable	I-Device
lens	I-Device
digital	I-Device
cameras	I-Device
,	O
camcorders	O
and	O
lenses	O
.	O
</s>
<s>
Camera	O
bodies	O
are	O
available	O
from	O
Blackmagic	O
,	O
DJI	B-Device
,	O
JVC	O
,	O
Kodak	O
,	O
Olympus	O
,	O
Panasonic	O
,	O
Sharp	O
,	O
and	O
Xiaomi	O
.	O
</s>
<s>
MFT	O
lenses	O
are	O
produced	O
by	O
Cosina	B-Algorithm
Voigtländer	I-Algorithm
,	O
DJI	B-Device
,	O
Kowa	O
,	O
Kodak	O
,	O
Mitakon	O
,	O
Olympus	O
,	O
Panasonic	O
,	O
Samyang	O
,	O
Sharp	O
,	O
Sigma	O
,	O
SLR	O
Magic	O
,	O
Tamron	O
,	O
Tokina	O
,	O
TTArtisan	O
,	O
Veydra	O
,	O
Xiaomi	O
,	O
Laowa	O
,	O
Yongnuo	O
,	O
Zonlai	O
,	O
Lensbaby	O
,	O
Kowa	O
,	O
Venus	O
Optics	O
and	O
7artisans	O
amongst	O
others	O
.	O
</s>
<s>
MFT	O
shares	O
the	O
original	O
image	B-Algorithm
sensor	I-Algorithm
size	I-Algorithm
and	O
specification	O
with	O
the	O
Four	B-Architecture
Thirds	I-Architecture
system	I-Architecture
,	O
designed	O
for	O
DSLRs	B-Device
.	O
</s>
<s>
Unlike	O
Four	B-Architecture
Thirds	I-Architecture
,	O
the	O
MFT	O
system	O
design	O
specification	O
does	O
not	O
provide	O
space	O
for	O
a	O
mirror	O
box	O
and	O
a	O
pentaprism	O
,	O
which	O
facilitates	O
smaller	O
body	O
and	O
lens	O
designs	O
via	O
the	O
shorter	O
flange	O
focal	O
distance	O
of	O
19.25mm	O
.	O
</s>
<s>
Still-camera	O
lenses	O
produced	O
by	O
Canon	O
,	O
Leica	O
,	O
Minolta	O
,	O
Nikon	O
,	O
Pentax	O
and	O
Zeiss	O
have	O
all	O
been	O
successfully	O
adapted	O
for	O
MFT	O
useas	O
well	O
as	O
lenses	O
produced	O
for	O
cinema	O
,	O
e.g.	O
,	O
PL	O
mount	O
or	O
C	B-Algorithm
mount	I-Algorithm
.	O
</s>
<s>
Compared	O
to	O
inexpensive	O
digital	O
compact	B-Algorithm
cameras	I-Algorithm
and	O
many	O
bridge	B-Device
cameras	I-Device
,	O
MFT	O
cameras	O
have	O
better	O
,	O
larger	B-Algorithm
sensors	I-Algorithm
,	O
and	O
interchangeable	O
lenses	O
.	O
</s>
<s>
However	O
,	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
cameras	O
also	O
tend	O
to	O
be	O
slightly	O
larger	O
,	O
heavier	O
and	O
more	O
expensive	O
than	O
compact	B-Algorithm
cameras	I-Algorithm
.	O
</s>
<s>
Compared	O
to	O
most	O
digital	B-Device
SLRs	I-Device
,	O
the	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
system	I-Operating_System
(	O
body	O
and	O
lenses	O
)	O
is	O
smaller	O
and	O
lighter	O
.	O
</s>
<s>
However	O
,	O
their	O
sensors	O
are	O
smaller	O
than	O
full-frame	B-Algorithm
or	I-Algorithm
even	I-Algorithm
APS-C	I-Algorithm
systems	I-Algorithm
.	O
</s>
<s>
The	O
small	O
lenses	O
do	O
not	O
allow	O
the	O
noise	B-Algorithm
depth-of-field	O
tradeoffs	O
of	O
larger	O
lenses	O
in	O
other	O
systems	O
.	O
</s>
<s>
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
cameras	O
use	O
an	O
electronic	B-Algorithm
viewfinder	I-Algorithm
.	O
</s>
<s>
Resolutions	O
and	O
refresh	O
speeds	O
on	O
these	O
EVF	B-Algorithm
displays	O
were	O
originally	O
compared	O
negatively	O
to	O
optical	O
viewfinders	O
,	O
but	O
today	O
's	O
EVF	B-Algorithm
systems	O
are	O
faster	O
,	O
brighter	O
and	O
much	O
higher	O
resolution	O
than	O
the	O
original	O
displays	O
.	O
</s>
<s>
Original	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
cameras	O
used	O
a	O
contrast-detection	O
autofocus	O
system	O
,	O
slower	O
than	O
the	O
phase-detect	O
autofocus	O
that	O
is	O
standard	O
on	O
DSLRs	B-Device
.	O
</s>
<s>
To	O
this	O
day	O
most	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
cameras	O
continue	O
to	O
use	O
a	O
contrast-based	O
focusing	O
system	O
.	O
</s>
<s>
Although	O
some	O
current	O
models	O
,	O
such	O
as	O
the	O
Olympus	B-Algorithm
OM-D	I-Algorithm
E-M1	I-Algorithm
Mark	I-Algorithm
II	I-Algorithm
,	O
feature	O
a	O
hybrid	O
phase-detect/contrast	O
detect	O
system	O
,	O
Panasonic	B-Device
Lumix	I-Device
cameras	O
have	O
continued	O
to	O
use	O
a	O
contrast-based	O
system	O
called	O
DFD	O
(	O
Depth	O
from	O
Defocus	O
)	O
.	O
</s>
<s>
Both	O
systems	O
today	O
provide	O
focusing	O
speeds	O
to	O
rival	O
or	O
even	O
surpass	O
many	O
current	O
DSLRs	B-Device
.	O
</s>
<s>
The	O
image	B-Algorithm
sensor	I-Algorithm
of	O
Four	B-Architecture
Thirds	I-Architecture
and	O
MFT	O
measures	O
18mm	O
×	O
13.5mm	O
(	O
22.5mm	O
diagonal	O
)	O
,	O
with	O
an	O
imaging	O
area	O
of	O
17.3mm	O
×	O
13.0mm	O
(	O
21.6mm	O
diagonal	O
)	O
,	O
comparable	O
to	O
the	O
frame	O
size	O
of	O
110	O
film	O
.	O
</s>
<s>
220mm2	O
,	O
is	O
approximately	O
30%	O
less	O
than	O
the	O
APS-C	B-Algorithm
sensors	O
used	O
in	O
other	O
manufacturers	O
 '	O
DSLRs	B-Device
;	O
it	O
is	O
around	O
9	O
times	O
larger	O
than	O
the	O
1/2.3	O
"	O
sensors	O
typically	O
used	O
in	O
compact	O
digital	O
cameras	O
.	O
</s>
<s>
The	O
Four	B-Architecture
Thirds	I-Architecture
system	I-Architecture
uses	O
a	O
4:3	O
image	O
aspect	O
ratio	O
,	O
like	O
compact	O
digital	O
cameras	O
.	O
</s>
<s>
In	O
comparison	O
,	O
DSLRs	B-Device
usually	O
adhere	O
to	O
the	O
3:2	O
aspect	O
ratio	O
of	O
the	O
traditional	O
35	O
mm	O
format	O
.	O
</s>
<s>
Thus	O
,	O
"	O
Four	B-Architecture
Thirds	I-Architecture
"	O
refers	O
to	O
both	O
the	O
size	O
and	O
the	O
aspect	O
ratio	O
of	O
the	O
sensor	O
.	O
</s>
<s>
However	O
,	O
the	O
chip	O
diagonal	O
is	O
shorter	O
than	O
4/3	B-Architecture
of	O
an	O
inch	O
;	O
the	O
4/3inch	O
designation	O
for	O
this	O
size	O
of	O
sensor	O
dates	O
back	O
to	O
the	O
1950s	O
and	O
vidicon	O
tubes	O
,	O
when	O
the	O
external	O
diameter	O
of	O
the	O
camera	O
tube	O
was	O
measured	O
,	O
not	O
the	O
active	O
area	O
.	O
</s>
<s>
The	O
MFT	O
system	O
design	O
specifies	O
a	O
bayonet	O
type	O
lens	B-Algorithm
mount	I-Algorithm
with	O
a	O
flange	O
focal	O
distance	O
of	O
19.25mm	O
.	O
</s>
<s>
Viewing	O
is	O
achieved	O
on	O
all	O
models	O
by	O
live	B-Device
view	I-Device
electronic	O
displays	O
with	O
LCD	B-Device
screens	I-Device
.	O
</s>
<s>
In	O
addition	O
,	O
some	O
models	O
feature	O
a	O
built-in	O
electronic	B-Algorithm
viewfinder	I-Algorithm
(	O
EVF	B-Algorithm
)	O
,	O
while	O
others	O
may	O
offer	O
optional	O
detachable	O
electronic	B-Algorithm
viewfinders	I-Algorithm
.	O
</s>
<s>
The	O
throat	O
diameter	O
is	O
about	O
38mm	O
,	O
6mm	O
less	O
than	O
that	O
of	O
the	O
Four	B-Architecture
Thirds	I-Architecture
system	I-Architecture
.	O
</s>
<s>
Electrically	O
,	O
MFT	O
uses	O
an	O
11-contact	O
connector	O
between	O
lens	O
and	O
camera	O
,	O
adding	O
to	O
the	O
nine	O
contacts	O
in	O
the	O
Four	B-Architecture
Thirds	I-Architecture
system	I-Architecture
design	O
specification	O
.	O
</s>
<s>
Olympus	O
claims	O
full	O
backward	B-General_Concept
compatibility	I-General_Concept
for	O
many	O
of	O
its	O
existing	O
Four	B-Architecture
Thirds	I-Architecture
lenses	O
on	O
MFT	O
bodies	O
,	O
using	O
a	O
purpose	O
built	O
adapter	O
with	O
both	O
mechanical	O
and	O
electrical	O
interfaces	O
.	O
</s>
<s>
The	O
shallow	O
but	O
wide	O
MFT	O
lens	B-Algorithm
mount	I-Algorithm
also	O
allows	O
the	O
use	O
of	O
existing	O
lenses	O
including	O
Leica	B-Algorithm
M	I-Algorithm
,	O
Leica	B-Algorithm
R	I-Algorithm
,	O
and	O
Olympus	B-Algorithm
OM	I-Algorithm
system	I-Algorithm
lenses	O
,	O
via	O
Panasonic	O
and	O
Olympus	O
adapters	O
.	O
</s>
<s>
Aftermarket	O
adapters	O
include	O
Leica	B-Algorithm
Screw	I-Algorithm
Mount	I-Algorithm
,	O
Contax	B-Algorithm
G	I-Algorithm
,	O
C	B-Algorithm
mount	I-Algorithm
,	O
Arri	O
PL	O
mount	O
,	O
Praktica	B-Algorithm
,	O
Canon	O
,	O
Nikon	O
,	O
and	O
Pentax	O
,	O
amongst	O
others	O
.	O
</s>
<s>
In	O
fact	O
,	O
almost	O
any	O
still	O
camera	O
,	O
movie	O
or	O
video	O
camera	O
interchangeable	B-Algorithm
lens	I-Algorithm
that	O
has	O
a	O
flange	O
focal	O
distance	O
greater	O
than	O
or	O
marginally	O
less	O
than	O
20mm	O
can	O
often	O
be	O
used	O
on	O
MFT	O
bodies	O
via	O
an	O
adapter	O
.	O
</s>
<s>
While	O
lens	O
manufacturers	O
seldom	O
publish	O
lens	B-Algorithm
mount	I-Algorithm
specifications	O
,	O
the	O
MFT	O
mount	O
has	O
been	O
reverse-engineered	O
by	O
enthusiasts	O
,	O
with	O
CAD	O
files	O
available	O
.	O
</s>
<s>
MFT	O
cameras	O
usually	O
use	O
contrast-detection	O
autofocus	O
(	O
CDAF	O
)	O
,	O
a	O
common	O
autofocus	O
system	O
for	O
mirrorless	B-Device
compact	B-Algorithm
or	I-Algorithm
"	I-Algorithm
point-and-shoot	I-Algorithm
"	I-Algorithm
.	O
</s>
<s>
By	O
comparison	O
,	O
DSLRs	B-Device
use	O
phase-detection	O
autofocus	O
(	O
PDAF	O
)	O
.	O
</s>
<s>
The	O
use	O
of	O
separate	O
PDAF	O
sensors	O
has	O
been	O
favored	O
in	O
DSLR	B-Device
systems	O
because	O
of	O
mirror	O
box	O
and	O
pentaprism	O
design	O
,	O
along	O
with	O
better	O
performance	O
for	O
fast-moving	O
subjects	O
.	O
</s>
<s>
The	O
(	O
non-Micro	O
)	O
Four	B-Architecture
Thirds	I-Architecture
system	I-Architecture
design	O
standard	O
specifies	O
a	O
40mm	O
flange	O
focal	B-Algorithm
length	I-Algorithm
distance	O
,	O
which	O
allowed	O
for	O
using	O
a	O
single	O
lens	O
reflex	O
design	O
,	O
with	O
mirror	O
box	O
and	O
pentaprism	O
.	O
</s>
<s>
Four	B-Architecture
Thirds	I-Architecture
DSLR	B-Device
cameras	I-Device
designed	O
by	O
Olympus	O
and	O
Panasonic	O
initially	O
used	O
exclusively	O
PDAF	O
focusing	O
systems	O
.	O
</s>
<s>
Olympus	O
then	O
introduced	O
the	O
first	O
live	B-Device
view	I-Device
DSLR	B-Device
camera	I-Device
,	O
which	O
incorporated	O
both	O
traditional	O
DSLR	B-Device
phase	O
focus	O
and	O
also	O
optional	O
contrast	O
detection	O
focus	O
.	O
</s>
<s>
As	O
a	O
result	O
,	O
newer	O
Four	B-Architecture
Thirds	I-Architecture
system	I-Architecture
lenses	I-Architecture
were	O
designed	O
both	O
for	O
PDAF	O
and	O
contrast	O
focus	O
.	O
</s>
<s>
Several	O
of	O
the	O
Four	B-Architecture
Thirds	I-Architecture
lenses	O
focus	O
on	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
proficiently	O
when	O
an	O
electrically	O
compatible	O
adapter	O
is	O
used	O
on	O
the	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
cameras	O
,	O
and	O
they	O
focus	O
on	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
cameras	O
much	O
quicker	O
than	O
earlier	O
generation	O
Four	B-Architecture
Thirds	I-Architecture
lenses	O
can	O
.	O
</s>
<s>
Some	O
MFT	O
cameras	O
,	O
such	O
as	O
the	O
OM-D	O
E-M1	B-Algorithm
series	O
and	O
E-M5	B-Algorithm
Mark	O
III	O
incorporate	O
phase-detection	O
hardware	O
on	O
the	O
sensor	O
to	O
support	O
legacy	O
lenses	O
.	O
</s>
<s>
focus	O
performance	O
of	O
the	O
150mm	O
f/2	O
and	O
300mm	O
f/2.8	O
lenses	O
are	O
as	O
quick	O
and	O
accurate	O
as	O
a	O
native	O
Four	B-Architecture
Thirds	I-Architecture
body	O
)	O
.	O
</s>
<s>
The	O
Four	B-Architecture
Thirds	I-Architecture
sensor	B-Algorithm
format	I-Algorithm
used	O
in	O
MFT	O
cameras	O
is	O
equivalent	O
to	O
a	O
2.0	O
crop	O
factor	O
when	O
compared	O
to	O
a	O
35mm	O
film	O
(	O
full	O
frame	O
)	O
camera	O
.	O
</s>
<s>
This	O
means	O
that	O
the	O
field	O
of	O
view	O
of	O
an	O
MFT	O
lens	O
is	O
the	O
same	O
as	O
a	O
full	O
frame	O
lens	O
with	O
twice	O
the	O
focal	B-Algorithm
length	I-Algorithm
.	O
</s>
<s>
For	O
this	O
reason	O
,	O
MFT	O
lenses	O
can	O
be	O
smaller	O
and	O
lighter	O
because	O
to	O
achieve	O
the	O
equivalent	O
35mm	O
film	O
camera	O
field	O
of	O
view	O
,	O
the	O
MFT	O
focal	B-Algorithm
length	I-Algorithm
is	O
much	O
shorter	O
.	O
</s>
<s>
For	O
comparison	O
,	O
typical	O
DSLR	B-Device
sensors	O
,	O
such	O
as	O
Canon	O
's	O
APS-C	B-Algorithm
sensors	O
,	O
have	O
a	O
crop	O
factor	O
of	O
1.6	O
.	O
</s>
<s>
Equivalent	O
images	O
are	O
made	O
by	O
photographing	O
the	O
same	O
angle	O
of	O
view	O
,	O
with	O
the	O
same	O
depth	O
of	O
field	O
and	O
the	O
same	O
Angular	O
resolution	O
due	O
to	O
diffraction	O
limitation	O
(	O
which	O
requires	O
different	O
f-stops	O
on	O
different	O
focal	B-Algorithm
length	I-Algorithm
lenses	O
)	O
,	O
the	O
same	O
motion	O
blur	O
(	O
requires	O
the	O
same	O
shutter	O
speed	O
)	O
,	O
therefore	O
the	O
ISO	O
setting	O
must	O
differ	O
to	O
compensate	O
for	O
the	O
f-stop	O
difference	O
.	O
</s>
<s>
In	O
normal	O
photography	O
with	O
any	O
one	O
camera	O
,	O
equivalence	O
is	O
not	O
necessarily	O
an	O
issue	O
:	O
there	O
are	O
several	O
lenses	O
faster	O
than	O
f/2.4	O
for	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
(	O
see	O
the	O
tables	O
under	O
Fixed	O
Focal	B-Algorithm
Length	I-Algorithm
Lenses	O
,	O
below	O
)	O
,	O
and	O
there	O
are	O
certainly	O
many	O
lenses	O
faster	O
than	O
f/4.8	O
for	O
full	O
frame	O
and	O
no	O
one	O
hesitates	O
to	O
use	O
them	O
even	O
though	O
they	O
can	O
have	O
shallower	O
depth	O
of	O
field	O
than	O
a	O
Nikon	B-Algorithm
1	I-Algorithm
at	O
f/1.7	O
,	O
in	O
fact	O
that	O
can	O
be	O
seen	O
as	O
advantageous	O
,	O
but	O
it	O
has	O
to	O
be	O
taken	O
into	O
consideration	O
that	O
a	O
further	O
aspect	O
of	O
image	O
resolution	O
is	O
limitation	O
by	O
optical	O
aberration	O
,	O
which	O
can	O
be	O
compensated	O
the	O
better	O
the	O
smaller	O
the	O
focal	B-Algorithm
lengths	I-Algorithm
of	O
a	O
lens	O
is	O
.	O
</s>
<s>
Lenses	O
designed	O
for	O
mirrorless	B-Device
camera	I-Device
systems	O
such	O
as	O
Nikon	B-Algorithm
1	I-Algorithm
or	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
often	O
use	O
image-space	O
telecentric	O
lens	O
designs	O
,	O
which	O
reduce	O
shading	O
and	O
therefore	O
light	O
loss	O
and	O
blurring	O
at	O
the	O
microlenses	O
of	O
the	O
image	B-Algorithm
sensor	I-Algorithm
.	O
</s>
<s>
Equivalent	O
focal	B-Algorithm
lengths	I-Algorithm
are	O
given	O
,	O
if	O
the	O
angle	O
of	O
view	O
is	O
identical	O
.	O
</s>
<s>
Therefore	O
,	O
all	O
systems	O
detect	O
the	O
same	O
luminances	O
and	O
the	O
same	O
exposure	O
values	O
in	O
the	O
image	B-General_Concept
plane	I-General_Concept
,	O
and	O
as	O
a	O
consequence	O
of	O
this	O
the	O
equivalent	O
exposure	O
indexes	O
(	O
respectively	O
equivalent	O
ISO	O
speeds	O
)	O
are	O
different	O
in	O
order	O
to	O
get	O
the	O
identical	O
shutter	O
speeds	O
(	O
i.e.	O
,	O
exposure	O
times	O
)	O
with	O
the	O
same	O
levels	O
of	O
motion	O
blur	O
and	O
image	O
stabilisation	O
.	O
</s>
<s>
The	O
following	O
table	O
exemplarily	O
shows	O
a	O
few	O
identical	O
image	O
parameters	O
for	O
some	O
popular	O
image	B-Algorithm
sensor	I-Algorithm
classes	O
compared	O
to	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
:	O
The	O
smaller	O
the	O
focal	B-Algorithm
length	I-Algorithm
,	O
the	O
smaller	O
is	O
also	O
the	O
displacement	O
in	O
the	O
image	O
space	O
between	O
the	O
last	O
principal	O
plane	O
of	O
the	O
lens	O
and	O
the	O
image	B-Algorithm
sensor	I-Algorithm
in	O
order	O
to	O
focus	O
a	O
certain	O
object	O
.	O
</s>
<s>
Therefore	O
,	O
the	O
energy	O
needed	O
for	O
focusing	O
as	O
well	O
as	O
the	O
appropriate	O
delay	O
for	O
shifting	O
the	O
focusing	O
lens	O
system	O
are	O
shorter	O
,	O
the	O
smaller	O
the	O
focal	B-Algorithm
length	I-Algorithm
is	O
.	O
</s>
<s>
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
has	O
several	O
advantages	O
over	O
larger	O
format	O
cameras	O
and	O
lenses	O
:	O
</s>
<s>
The	O
shorter	O
flange	O
focal	O
distance	O
means	O
that	O
most	O
manual	O
lenses	O
can	O
be	O
adapted	O
for	O
use	O
,	O
though	O
C-mount	B-Algorithm
lenses	O
have	O
a	O
slightly	O
shorter	O
flange	O
focal	O
distance	O
and	O
are	O
trickier	O
to	O
adapt	O
.	O
</s>
<s>
Contrast-detection	O
autofocus	O
is	O
not	O
prone	O
to	O
systematic	O
front	O
-	O
or	O
back-focusing	O
errors	O
which	O
may	O
occur	O
with	O
phase-detection	O
autofocus	O
on	O
DSLRs	B-Device
,	O
eliminating	O
the	O
need	O
to	O
individually	O
calibrate	O
focusing	O
for	O
each	O
lens	O
to	O
each	O
camera	O
.	O
</s>
<s>
The	O
absence	O
of	O
a	O
mirror	O
eliminates	O
the	O
need	O
for	O
an	O
additional	O
precision	O
assembly	O
,	O
along	O
with	O
its	O
"	O
mirror	O
slap	O
"	O
noise	B-Algorithm
and	O
resultant	O
camera	O
vibration/movement	O
.	O
</s>
<s>
The	O
smaller	O
sensor	O
generates	O
less	O
heat	O
and	O
can	O
be	O
cooled	O
more	O
easily	O
,	O
reducing	O
image	B-Algorithm
noise	I-Algorithm
when	O
shooting	O
long	O
exposure	O
and	O
videography	O
.	O
</s>
<s>
Because	O
of	O
the	O
reduced	O
sensor-flange	O
distance	O
,	O
the	O
sensor	O
is	O
easier	O
to	O
clean	O
than	O
with	O
a	O
DSLR	B-Device
,	O
which	O
also	O
have	O
delicate	O
mirror	O
mechanisms	O
attached	O
.	O
</s>
<s>
The	O
smaller	O
sensor	B-Algorithm
size	I-Algorithm
gives	O
deeper	O
depth-of-field	O
for	O
the	O
same	O
field	O
of	O
view	O
and	O
equivalent	O
f-number	O
.	O
</s>
<s>
Some	O
models	O
are	O
equipped	O
with	O
electronic	B-Algorithm
viewfinders	I-Algorithm
,	O
which	O
have	O
certain	O
advantages	O
over	O
conventional	O
optical	O
viewfinders	O
(	O
see	O
below	O
)	O
.	O
</s>
<s>
Though	O
many	O
DSLRs	B-Device
also	O
have	O
"	O
live	B-Device
view	I-Device
"	O
functionality	O
,	O
these	O
often	O
function	O
relatively	O
poorly	O
compared	O
to	O
a	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
electronic	B-Algorithm
viewfinder	I-Algorithm
(	O
EVF	B-Algorithm
)	O
,	O
which	O
has	O
the	O
following	O
advantages	O
:	O
</s>
<s>
On	O
a	O
DSLR	B-Device
,	O
the	O
mirror	O
must	O
be	O
flipped	O
up	O
to	O
shoot	O
video	O
,	O
which	O
prevents	O
use	O
of	O
the	O
optical	O
viewfinder	O
.	O
</s>
<s>
The	O
view	O
can	O
appear	O
larger	O
than	O
some	O
optical	O
viewfinders	O
,	O
especially	O
on	O
lower-end	O
DSLRs	B-Device
,	O
whose	O
viewfinders	O
often	O
have	O
a	O
tunnel-like	O
view	O
.	O
</s>
<s>
Not	O
reliant	O
on	O
a	O
moving	O
mirror	O
and	O
shutter	O
,	O
which	O
otherwise	O
adds	O
noise	B-Algorithm
,	O
weight	O
,	O
design	O
complexity	O
,	O
and	O
cost	O
.	O
</s>
<s>
Optical	O
viewfinder	O
quality	O
varies	O
greatly	O
across	O
all	O
DSLRs	B-Device
.	O
</s>
<s>
Olympus	O
and	O
Panasonic	O
approached	O
the	O
implementation	O
of	O
electronic	B-Algorithm
viewfinders	I-Algorithm
in	O
two	O
ways	O
:	O
the	O
built-in	O
EVF	B-Algorithm
,	O
and	O
the	O
optional	O
hotshoe	B-Algorithm
add-on	O
EVF	B-Algorithm
.	O
</s>
<s>
Until	O
the	O
introduction	O
of	O
the	O
OM-D	O
E-M5	B-Algorithm
in	O
February	O
,	O
2012	O
,	O
none	O
of	O
the	O
Olympus	O
designs	O
included	O
a	O
built-in	O
EVF	B-Algorithm
.	O
</s>
<s>
Olympus	O
has	O
four	O
available	O
add-on	O
hotshoe	B-Algorithm
viewfinders	O
.	O
</s>
<s>
Olympus	O
has	O
since	O
introduced	O
the	O
high	O
resolution	O
VF-2	O
EVF	B-Algorithm
,	O
and	O
a	O
newer	O
,	O
less	O
expensive	O
,	O
slightly	O
lower	O
resolution	O
VF-3	O
for	O
use	O
in	O
all	O
its	O
MFT	O
cameras	O
after	O
the	O
Olympus	B-Algorithm
EP-1	I-Algorithm
.	O
</s>
<s>
These	O
EVF	B-Algorithm
's	O
not	O
only	O
slip	O
into	O
the	O
accessory	O
hotshoe	B-Algorithm
,	O
but	O
also	O
plug	O
into	O
a	O
dedicated	O
proprietary	O
port	O
for	O
power	O
and	O
communication	O
with	O
Olympus	O
cameras	O
only	O
.	O
</s>
<s>
Both	O
the	O
VF-2	O
and	O
VF-3	O
may	O
also	O
be	O
used	O
on	O
high-end	O
Olympus	O
compact	O
point	B-Algorithm
and	I-Algorithm
shoot	I-Algorithm
cameras	I-Algorithm
such	O
as	O
the	O
Olympus	B-Algorithm
XZ-1	I-Algorithm
.	O
</s>
<s>
Olympus	O
announced	O
the	O
VF-4	O
in	O
May	O
2013	O
,	O
along	O
with	O
the	O
fourth	O
generation	O
PEN	O
flagship	O
,	O
the	O
E-P5	B-Algorithm
.	O
</s>
<s>
As	O
of	O
mid-2011	O
,	O
Panasonic	O
G	O
and	O
GH	O
series	O
cameras	O
have	O
built	O
in	O
EVF	B-Algorithm
's	O
,	O
while	O
two	O
of	O
the	O
three	O
GF	O
models	O
are	O
able	O
to	O
use	O
the	O
add-on	O
LVF1	O
hotshoe	B-Algorithm
EVF	B-Algorithm
.	O
</s>
<s>
This	O
proprietary	O
port	O
and	O
the	O
accessory	O
is	O
omitted	O
in	O
the	O
Panasonic	B-Device
Lumix	I-Device
DMC-GF3	I-Device
design	O
.	O
</s>
<s>
Similar	O
to	O
Olympus	O
,	O
the	O
LVF1	O
is	O
usable	O
on	O
high-end	O
Panasonic	O
compact	O
point	B-Algorithm
and	I-Algorithm
shoot	I-Algorithm
cameras	I-Algorithm
,	O
such	O
as	O
the	O
Panasonic	B-Device
Lumix	I-Device
DMC-LX5	I-Device
.	O
</s>
<s>
The	O
Four	B-Architecture
Thirds	I-Architecture
sensor	O
(	O
2.0	O
×	O
crop	O
factor	O
)	O
is	O
32%	O
smaller	O
in	O
area	O
than	O
Canon	O
APS-C	B-Algorithm
(	O
1.6x	B-Algorithm
crop	I-Algorithm
factor	O
)	O
,	O
39%	O
smaller	O
than	O
Nikon/Sony	O
APS-C	B-Algorithm
(	O
1.5x	O
crop	O
factor	O
)	O
,	O
and	O
75%	O
smaller	O
(	O
i.e.	O
</s>
<s>
This	O
can	O
mean	O
lower	O
image	O
quality	O
when	O
all	O
other	O
variables	O
are	O
the	O
same	O
,	O
including	O
poorer	O
color	O
transitions	O
and	O
more	O
noise	B-Algorithm
at	O
identical	O
ISO	O
settings	O
,	O
especially	O
in	O
low	O
light	O
,	O
when	O
compared	O
with	O
the	O
larger	B-Algorithm
sensors	I-Algorithm
.	O
</s>
<s>
Contrast-detection	O
autofocus	O
systems	O
such	O
as	O
those	O
used	O
in	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
cameras	O
were	O
initially	O
slower	O
than	O
the	O
phase-detection	O
systems	O
used	O
in	O
DSLRs	B-Device
.	O
</s>
<s>
Note	O
that	O
this	O
disadvantage	O
has	O
mostly	O
been	O
eliminated	O
,	O
at	O
least	O
for	O
static	O
subjects	O
;	O
the	O
Olympus	B-Algorithm
OM-D	I-Algorithm
E-M5	I-Algorithm
(	O
2012	O
)	O
compares	O
favorably	O
with	O
DSLRs	B-Device
in	O
single	O
AF	O
.	O
</s>
<s>
Contrast	O
detection	O
also	O
tends	O
to	O
perform	O
poorly	O
when	O
tracking	O
moving	O
subjects	O
,	O
though	O
cameras	O
with	O
on-sensor	O
phase	O
detection	O
autofocus	O
,	O
introduced	O
in	O
the	O
Olympus	B-Algorithm
OM-D	I-Algorithm
E-M1	I-Algorithm
in	O
2013	O
,	O
can	O
perform	O
comparably	O
to	O
DSLRs	B-Device
in	O
continuous	O
AF	O
mode	O
.	O
</s>
<s>
The	O
Olympus	B-Algorithm
OM-D	I-Algorithm
E-M1X	I-Algorithm
even	O
uses	O
technology	O
trained	O
by	O
artificial	B-Application
intelligence	I-Application
in	O
order	O
to	O
predict	O
the	O
area	O
of	O
interest	O
and	O
its	O
behaviour	O
.	O
</s>
<s>
A	O
through-the-lens	O
electronic	B-Algorithm
viewfinder	I-Algorithm
,	O
an	O
attachable	O
not-through-the-lens	O
optical	O
viewfinder	O
(	O
similar	O
to	O
a	O
rangefinder	B-Algorithm
or	O
TLR	B-Algorithm
)	O
,	O
or	O
the	O
universally-supplied	O
LCD	B-Device
screen	I-Device
must	O
be	O
used	O
instead	O
.	O
</s>
<s>
Theoretically	O
,	O
changing	O
lenses	O
can	O
expose	O
the	O
sensor	O
to	O
more	O
dust	O
in	O
a	O
"	O
mirrorless	B-Device
"	O
camera	O
design	O
,	O
compared	O
to	O
DSLRs	B-Device
that	O
have	O
both	O
a	O
mirror	O
and	O
a	O
closed	O
shutter	O
protecting	O
the	O
sensor	O
.	O
</s>
<s>
Mirrorless	B-Device
cameras	I-Device
have	O
dust-removal	O
systems	O
that	O
try	O
to	O
minimize	O
this	O
problem	O
,	O
and	O
in	O
practice	O
they	O
experience	O
fewer	O
dust	O
problems	O
than	O
a	O
DSLR	B-Device
.	O
</s>
<s>
A	O
larger	O
crop	O
factor	O
(	O
2×	O
multiplier	O
,	O
versus	O
1.5	O
×	O
or	O
1.6	O
×	O
on	O
APS-C	B-Algorithm
)	O
means	O
greater	O
depth-of-field	O
for	O
the	O
same	O
equivalent	O
field	O
of	O
view	O
and	O
f/stop	O
when	O
compared	O
with	O
APS-C	B-Algorithm
and	O
especially	O
full	O
frame	O
cameras	O
.	O
</s>
<s>
Some	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
cameras	O
and	O
lenses	O
are	O
very	O
small	O
,	O
which	O
can	O
result	O
in	O
relatively	O
poor	O
ergonomics	O
for	O
users	O
with	O
larger	O
hands	O
.	O
</s>
<s>
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
lenses	O
can	O
be	O
used	O
on	O
35mm	O
equivalent	O
*( 	O
full-frame	B-Algorithm
)	O
and	O
APS-C	B-Algorithm
cameras	O
but	O
will	O
be	O
susceptible	O
to	O
lens	O
vignetting	O
.	O
</s>
<s>
In	O
a	O
DSLR	B-Device
,	O
the	O
shutter	O
opens	O
and	O
closes	O
,	O
while	O
a	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
camera	O
has	O
to	O
close	O
the	O
shutter	O
,	O
open-close	O
it	O
,	O
then	O
open	O
it	O
again	O
whenever	O
a	O
photo	O
is	O
taken	O
.	O
</s>
<s>
Greatly	O
increased	O
sensor	B-Algorithm
size	I-Algorithm
(	O
5	O
–	O
9	O
times	O
larger	O
area	O
)	O
gives	O
much	O
better	O
image	O
quality	O
,	O
e.g.	O
</s>
<s>
low	O
light	O
performance	O
and	O
greater	O
dynamic	O
range	O
,	O
with	O
reduced	O
noise	B-Algorithm
.	O
</s>
<s>
Sharper	O
images	O
at	O
slower	O
shutter	O
speeds	O
as	O
a	O
result	O
of	O
IBIS	O
(	O
In-Body	O
Image	O
Stabilization	O
)	O
common	O
in	O
Panasonic	O
and	O
Olympus	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
cameras	O
.	O
</s>
<s>
Increased	O
physical	O
size	O
and	O
weight	O
(	O
camera	O
and	O
lenses	O
are	O
both	O
larger	O
due	O
to	O
increased	O
sensor	B-Algorithm
size	I-Algorithm
)	O
;	O
</s>
<s>
Similarly	O
,	O
larger	B-Algorithm
sensors	I-Algorithm
and	O
shallow	O
depth-of-field	O
make	O
bundled	O
macro	O
capability	O
and	O
close	O
focusing	O
more	O
difficult	O
,	O
often	O
requiring	O
separate	O
,	O
specialized	O
lenses	O
.	O
</s>
<s>
Due	O
to	O
the	O
short	O
native	O
flange	O
distance	O
of	O
the	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
System	I-Operating_System
,	O
the	O
usage	O
of	O
adapted	O
lenses	O
from	O
practically	O
all	O
formats	O
has	O
become	O
widely	O
popular	O
.	O
</s>
<s>
Canon	O
FD	O
,	O
Nikon	O
F	O
(	O
G	O
lenses	O
require	O
special	O
adapters	O
)	O
,	O
MD/MC	O
,	O
Leica	B-Algorithm
M	I-Algorithm
,	O
M42	B-Algorithm
Screw	I-Algorithm
Mount	I-Algorithm
,	O
and	O
C-mount	B-Algorithm
Cine	O
lenses	O
to	O
name	O
a	O
few	O
are	O
all	O
easily	O
adaptable	O
to	O
the	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
system	I-Operating_System
with	O
glassless	O
adapters	O
resulting	O
in	O
no	O
induced	O
loss	O
of	O
light	O
or	O
sharpness	O
.	O
</s>
<s>
Adapted	O
lenses	O
retain	O
their	O
native	O
focal	B-Algorithm
lengths	I-Algorithm
but	O
field	O
of	O
view	O
is	O
reduced	O
by	O
half	O
—	O
i.e.	O
,	O
an	O
adapted	O
50mm	O
lens	O
is	O
still	O
a	O
50mm	O
lens	O
in	O
terms	O
of	O
focal	B-Algorithm
length	I-Algorithm
but	O
has	O
a	O
narrower	O
FOV	O
equivalent	O
to	O
a	O
100mm	O
lens	O
due	O
to	O
the	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
System	I-Operating_System
2x	O
crop	O
factor	O
.	O
</s>
<s>
Therefore	O
,	O
most	O
adapted	O
glass	O
from	O
the	O
35mm	O
film	O
era	O
and	O
current	O
DSLR	B-Device
lineups	O
provide	O
effective	O
fields	O
of	O
view	O
varying	O
from	O
normal	O
to	O
extreme	O
telephoto	O
.	O
</s>
<s>
Using	O
older	O
adapted	O
lenses	O
on	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
sometimes	O
leads	O
to	O
a	O
slight	O
losses	O
in	O
image	O
quality	O
.	O
</s>
<s>
By	O
using	O
a	O
35mm	O
film	O
lens	O
,	O
one	O
would	O
be	O
using	O
a	O
lens	O
that	O
casts	O
an	O
image	O
circle	O
that	O
is	O
far	O
larger	O
than	O
what	O
is	O
required	O
by	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
Sensors	O
.	O
</s>
<s>
Overall	O
,	O
the	O
ability	O
to	O
use	O
adapted	O
lenses	O
gives	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
a	O
great	O
advantage	O
in	O
overall	O
versatility	O
and	O
the	O
practice	O
has	O
gained	O
a	O
somewhat	O
cult	O
following	O
.	O
</s>
<s>
As	O
of	O
,	O
Olympus	O
,	O
Panasonic	O
,	O
Cosina	B-Algorithm
Voigtländer	I-Algorithm
,	O
Carl	O
Zeiss	O
AG	O
,	O
Jos	O
.	O
</s>
<s>
Schneider	O
Optische	O
Werke	O
GmbH	O
,	O
Komamura	O
Corporation	O
,	O
Sigma	O
Corporation	O
,	O
Tamron	O
,	O
Astrodesign	O
,	O
Yasuhara	O
,	O
and	O
Blackmagic	O
Design	O
have	O
a	O
commitment	O
to	O
the	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
system	I-Operating_System
.	O
</s>
<s>
The	O
first	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
system	I-Operating_System
camera	O
was	O
Panasonic	B-Device
Lumix	I-Device
DMC-G1	I-Device
,	O
which	O
was	O
launched	O
in	O
Japan	O
in	O
October	O
2008	O
.	O
</s>
<s>
In	O
April	O
2009	O
,	O
Panasonic	B-Device
Lumix	I-Device
DMC-GH1	I-Device
with	O
HD	O
video	O
recording	O
added	O
to	O
it	O
.	O
</s>
<s>
The	O
first	O
Olympus	O
model	O
,	O
the	O
Olympus	B-Algorithm
PEN	I-Algorithm
E-P1	I-Algorithm
,	O
was	O
shipped	O
in	O
July	O
2009	O
.	O
</s>
<s>
In	O
August	O
2013	O
SVS	O
Vistek	O
GmbH	O
in	O
Seefeld	O
,	O
Germany	O
introduced	O
the	O
first	O
high-speed	O
industrial	O
MFT	O
lens	B-Algorithm
mount	I-Algorithm
camera	O
using	O
4/3	B-Architecture
"	O
sensors	O
from	O
Truesense	O
Imaging	O
,	O
Inc	O
(	O
formally	O
Kodak	O
sensors	O
)	O
,	O
now	O
part	O
of	O
ON	O
Semiconductor	O
.	O
</s>
<s>
In	O
2014	O
,	O
JK	O
Imaging	O
Ltd.	O
,	O
which	O
holds	O
the	O
Kodak	O
brand	O
,	O
released	O
its	O
first	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
camera	O
,	O
the	O
Kodak	B-Algorithm
Pixpro	I-Algorithm
S-1	I-Algorithm
;	O
several	O
lenses	O
and	O
niche	O
camera	O
makers	O
have	O
products	O
made	O
for	O
the	O
standard	O
.	O
</s>
<s>
In	O
2015	O
,	O
DJI	B-Device
provided	O
its	O
drone	O
with	O
optional	O
MFT	O
cameras	O
.	O
</s>
<s>
+Major	O
features	O
of	O
available	O
and	O
announced	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
system	I-Operating_System
camera	O
bodies	O
Item	O
Model	O
Sensor	O
Electronic	O
View	O
Finder	O
(	O
EVF	B-Algorithm
)	O
Announced	O
1	O
Panasonic	B-Device
Lumix	I-Device
DMC-G1	I-Device
4:3	O
,	O
13.1	O
MP	O
(	O
12.1	O
MP	O
effective	O
)	O
EVF	B-Algorithm
;	O
1.4	O
×	O
magnification	O
;	O
1.44M	O
dots	O
2008-10October	O
2008	O
2	O
Panasonic	B-Device
Lumix	I-Device
DMC-GH1	I-Device
4:3	O
;	O
3:2	O
;	O
16:9	O
(	O
multi-aspect	O
)	O
;	O
14.0	O
MP	O
(	O
12.1	O
MP	O
effect	O
)	O
EVF	B-Algorithm
;	O
1.4	O
×	O
mag	O
;	O
1.44	O
M	O
dots	O
2009-04April	O
2009	O
3	O
Olympus	B-Algorithm
PEN	I-Algorithm
E-P1	I-Algorithm
4:3	O
,	O
13.1	O
MP	O
(	O
12.3	O
MP	O
effect	O
)	O
N/A	O
2009-07July	O
2009	O
4	O
Panasonic	B-Device
Lumix	I-Device
DMC-GF1	I-Device
4:3	O
,	O
13.1	O
MP	O
(	O
12.1	O
MP	O
effect	O
)	O
opt	O
.	O
</s>
<s>
EVF	B-Algorithm
LVF1	O
;	O
1.04	O
×	O
mag	O
;	O
202	O
K	O
dots	O
2009-09September	O
2009	O
5	O
Olympus	B-Algorithm
PEN	I-Algorithm
E-P2	I-Algorithm
4:3	O
,	O
13.1	O
MP	O
(	O
12.3	O
MP	O
effect	O
)	O
opt	O
.	O
</s>
<s>
EVF	B-Algorithm
VF-2	O
;	O
1.15	O
×	O
mag	O
;	O
1.44	O
M	O
dots	O
2009-11November	O
2009	O
6	O
Olympus	B-Algorithm
PEN	I-Algorithm
E-PL1	I-Algorithm
4:3	O
,	O
13.1	O
MP	O
(	O
12.3	O
MP	O
effect	O
)	O
opt	O
.	O
</s>
<s>
EVF	B-Algorithm
VF-2	O
;	O
1.15	O
×	O
mag	O
;	O
1.44	O
M	O
dots	O
2010-02February	O
2010	O
7	O
Panasonic	B-Device
Lumix	I-Device
DMC-G10	I-Device
4:3	O
,	O
13.1	O
MP	O
(	O
12.1	O
MP	O
effect	O
)	O
EVF	B-Algorithm
;	O
1.04	O
×	O
magnification	O
;	O
202	O
K	O
dots	O
2010-03March	O
2010	O
8	O
Panasonic	B-Device
Lumix	I-Device
DMC-G2	I-Device
4:3	O
,	O
13.1	O
MP	O
(	O
12.1	O
MP	O
effect	O
)	O
EVF	B-Algorithm
;	O
1.4	O
×	O
mag	O
;	O
1.44	O
M	O
dots	O
2010-03March	O
2010	O
9	O
Panasonic	B-Device
Lumix	I-Device
DMC-GH2	I-Device
4:3	O
;	O
3:2	O
;	O
16:9	O
(	O
multi-aspect	O
)	O
;	O
18.3	O
MP	O
(	O
16.0	O
MP	O
effect	O
)	O
EVF	B-Algorithm
;	O
1.42	O
×	O
mag	O
;	O
1.53	O
M	O
dots	O
2010-09September	O
2010	O
10	O
Panasonic	B-Device
Lumix	I-Device
DMC-GF2	I-Device
4:3	O
,	O
13.1	O
MP	O
(	O
12.1	O
MP	O
effect	O
)	O
opt	O
.	O
</s>
<s>
EVF	B-Algorithm
;	O
1.04	O
×	O
mag	O
;	O
202	O
K	O
dots	O
2010-11November	O
2010	O
11	O
Olympus	B-Algorithm
PEN	I-Algorithm
E-PL1s	I-Algorithm
4:3	O
,	O
13.1	O
MP	O
(	O
12.3	O
MP	O
effect	O
)	O
opt	O
.	O
</s>
<s>
EVF	B-Algorithm
VF-2	O
;	O
1.15	O
×	O
mag	O
;	O
1.44	O
M	O
dots	O
2010-11November	O
2010	O
12	O
Olympus	B-Algorithm
PEN	I-Algorithm
E-PL2	I-Algorithm
4:3	O
,	O
13.1	O
MP	O
(	O
12.3	O
MP	O
effect	O
)	O
opt	O
.	O
</s>
<s>
EVF	B-Algorithm
VF-2	O
;	O
1.15	O
×	O
mag	O
;	O
1.44	O
M	O
dots	O
2011-01January	O
2011	O
13	O
Panasonic	B-Device
Lumix	I-Device
DMC-G3	I-Device
4:3	O
,	O
16.6	O
MP	O
(	O
15.8	O
MP	O
effect	O
)	O
EVF	B-Algorithm
;	O
1.4	O
×	O
mag	O
;	O
1.44	O
M	O
dots	O
2011-05May	O
2011	O
14	O
Panasonic	B-Device
Lumix	I-Device
DMC-GF3	I-Device
4:3	O
,	O
13.1	O
MP	O
(	O
12.1	O
MP	O
effect	O
)	O
N/A	O
2011-06June	O
2011	O
15	O
Olympus	B-Algorithm
PEN	I-Algorithm
E-P3	I-Algorithm
4:3	O
,	O
13.1	O
MP	O
(	O
12.3	O
MP	O
effect	O
)	O
opt	O
.	O
</s>
<s>
EVF	B-Algorithm
VF-2	O
;	O
1.15	O
×	O
mag	O
;	O
1.44	O
M	O
dots	O
2011-06June	O
2011	O
16	O
Olympus	B-Algorithm
PEN	I-Algorithm
E-PL3	I-Algorithm
4:3	O
,	O
13.1	O
MP	O
(	O
12.3	O
MP	O
effect	O
)	O
opt	O
.	O
</s>
<s>
EVF	B-Algorithm
VF-2	O
;	O
1.15	O
×	O
mag	O
;	O
1.44	O
M	O
dots	O
2011-06June	O
2011	O
17	O
Olympus	B-Algorithm
PEN	I-Algorithm
E-PM1	I-Algorithm
4:3	O
,	O
13.1	O
MP	O
(	O
12.3	O
MP	O
effect	O
)	O
opt	O
.	O
</s>
<s>
EVF	B-Algorithm
VF-2	O
;	O
1.15	O
×	O
mag	O
;	O
1.44	O
M	O
dots	O
2011-06June	O
2011	O
18	O
Panasonic	B-Algorithm
Lumix	I-Algorithm
DMC-GX1	I-Algorithm
4:3	O
,	O
16.6	O
MP	O
(	O
16	O
MP	O
effect	O
)	O
opt	O
.	O
</s>
<s>
EVF	B-Algorithm
LVF2	O
;	O
1.4	O
×	O
mag	O
;	O
1.44	O
M	O
dots	O
2011-11November	O
2011	O
19	O
Olympus	B-Algorithm
OM-D	I-Algorithm
E-M5	I-Algorithm
4:3	O
,	O
16.9	O
MP	O
(	O
16.1	O
MP	O
effect	O
)	O
EVF	B-Algorithm
;	O
1.15	O
×	O
mag	O
;	O
1.44	O
M	O
dots	O
2012-02February	O
2012	O
20	O
Panasonic	B-Device
Lumix	I-Device
DMC-GF5	I-Device
4:3	O
,	O
13.1	O
MP	O
(	O
12.1	O
MP	O
effect	O
)	O
N/A	O
2012-04April	O
2012	O
21	O
Panasonic	B-Device
Lumix	I-Device
DMC-G5	I-Device
4:3	O
,	O
18.3	O
MP	O
(	O
16.1	O
MP	O
effect	O
)	O
EVF	B-Algorithm
;	O
1.4	O
×	O
mag	O
;	O
1.44	O
M	O
dots	O
2012-04July	O
2012	O
22	O
Panasonic	B-Device
Lumix	I-Device
DMC-GH3	I-Device
4:3	O
,	O
17.2	O
MP	O
(	O
16.05	O
MP	O
effect	O
)	O
EVF	B-Algorithm
;	O
1.34	O
×	O
mag	O
;	O
1.7	O
M	O
dots	O
2012-04September	O
2012	O
23	O
Olympus	B-Algorithm
PEN	I-Algorithm
E-PL5	I-Algorithm
4:3	O
,	O
16.9	O
MP	O
(	O
16.1	O
MP	O
effect	O
)	O
opt	O
.	O
</s>
<s>
EVF	B-Algorithm
VF-2	O
;	O
1.15	O
×	O
mag	O
;	O
1.44	O
M	O
dots	O
2012-09September	O
2012	O
24	O
Olympus	B-Algorithm
PEN	I-Algorithm
E-PM2	I-Algorithm
4:3	O
,	O
16.9	O
MP	O
(	O
16.1	O
MP	O
effect	O
)	O
opt	O
.	O
</s>
<s>
EVF	B-Algorithm
VF-2	O
;	O
1.15	O
×	O
mag	O
;	O
1.44	O
M	O
dots	O
2012-09September	O
2012	O
25	O
Panasonic	B-Algorithm
Lumix	I-Algorithm
DMC-GF6	I-Algorithm
4:3	O
,	O
16.9	O
MP	O
(	O
16.1	O
MP	O
effect	O
)	O
N/A	O
2013-04April	O
2013	O
26	O
Blackmagic	B-Device
Pocket	I-Device
Cinema	I-Device
Camera	I-Device
16:9	O
,	O
12.48	O
×	O
7.02	O
mm	O
(	O
sensor	B-Algorithm
size	I-Algorithm
)	O
,	O
1920	O
×	O
1080	O
(	O
effective	O
resolution	O
)	O
N/A	O
2013-04April	O
2013	O
27	O
Panasonic	B-Algorithm
Lumix	I-Algorithm
DMC-G6	I-Algorithm
4:3	O
,	O
18.3	O
MP	O
(	O
16.1	O
MP	O
effect	O
)	O
EVF	B-Algorithm
;	O
1.4x	O
mag	O
;	O
1.44	O
M	O
dots	O
2013-04April	O
2013	O
28	O
Olympus	B-Algorithm
PEN	I-Algorithm
E-P5	I-Algorithm
4:3	O
,	O
16.05	O
MP	O
(	O
4/3	B-Architecture
Live	O
MOS	O
sensor	O
)	O
EVF	B-Algorithm
VF-4	O
2013-05May	O
2013	O
29	O
Olympus	B-Algorithm
PEN	I-Algorithm
E-PL6	I-Algorithm
4:3	O
,	O
16.05	O
MP	O
(	O
4/3	B-Architecture
Live	O
MOS	O
sensor	O
)	O
EVF	B-Algorithm
VF-4	O
2013-05May	O
2013	O
30	O
Panasonic	B-Device
Lumix	I-Device
DMC-GX7	I-Device
4:3	O
,	O
16	O
MP	O
(	O
4/3	B-Architecture
Live	O
MOS	O
sensor	O
)	O
EVF	B-Algorithm
2013-08August	O
2013	O
31	O
Olympus	B-Algorithm
OM-D	I-Algorithm
E-M1	I-Algorithm
4:3	O
,	O
16	O
MP	O
(	O
4/3	B-Architecture
Live	O
MOS	O
sensor	O
)	O
2.36	O
million	O
dots	O
EVF	B-Algorithm
2013-09September	O
2013	O
32	O
Panasonic	B-Device
Lumix	I-Device
DMC-GM1	I-Device
4:3	O
,	O
16	O
MP	O
(	O
4/3	B-Architecture
Live	O
MOS	O
sensor	O
)	O
N/A	O
2013-08October	O
2013	O
33	O
Kodak	B-Algorithm
Pixpro	I-Algorithm
S-1	I-Algorithm
4:3	O
,	O
16	O
MP	O
(	O
4/3	B-Architecture
CMOS	O
sensor	O
)	O
N/A	O
2014-01January	O
2014	O
34	O
Olympus	B-Algorithm
OM-D	I-Algorithm
E-M10	I-Algorithm
4:3	O
,	O
16	O
MP	O
(	O
4/3	B-Architecture
Live	O
MOS	O
sensor	O
)	O
1.44	O
million	O
dots	O
EVF	B-Algorithm
2014-01January	O
2014	O
35	O
Panasonic	B-Device
Lumix	I-Device
DMC-GH4	I-Device
4:3	O
,	O
16	O
MP	O
(	O
4/3	B-Architecture
Live	O
MOS	O
sensor	O
)	O
2.36	O
million	O
dots	O
EVF	B-Algorithm
2014-01February	O
2014	O
36	O
Olympus	B-Algorithm
PEN	I-Algorithm
E-PL7	I-Algorithm
4:3	O
,	O
17.2	O
MP	O
(	O
4/3	B-Architecture
Live	O
MOS	O
sensor	O
;	O
16.1	O
MP	O
effect	O
)	O
opt	O
.	O
</s>
<s>
2.36	O
million	O
dots	O
EVF	B-Algorithm
2014-08August	O
2014	O
37	O
Panasonic	B-Algorithm
Lumix	I-Algorithm
DMC-GM5	I-Algorithm
4:3	O
,	O
16	O
MP	O
(	O
4/3	B-Architecture
Live	O
MOS	O
sensor	O
)	O
1.16	O
million	O
dots	O
EVF	B-Algorithm
2014-09September	O
2014	O
38	O
Panasonic	B-Algorithm
Lumix	I-Algorithm
DMC-GF7	I-Algorithm
4:3	O
,	O
17	O
MP	O
(	O
4/3	B-Architecture
CMOS	O
sensor	O
;	O
16	O
MP	O
effect	O
)	O
N/A	O
2015-01January	O
2015	O
39	O
Olympus	B-Algorithm
OM-D	I-Algorithm
E-M5	I-Algorithm
II	I-Algorithm
4:3	O
,	O
16	O
MP	O
(	O
4/3	B-Architecture
Live	O
MOS	O
sensor	O
)	O
2.36	O
million	O
dots	O
EVF	B-Algorithm
February	O
2015	O
.	O
</s>
<s>
40	O
Olympus	B-Algorithm
Air	I-Algorithm
4:3	O
,	O
16	O
MP	O
(	O
4/3	B-Architecture
Live	O
MOS	O
sensor	O
)	O
N/A	O
February	O
2015	O
.	O
</s>
<s>
41	O
JVC	O
GY-LS300	O
4KCAM	O
Handheld	O
S35	O
mm	O
Camcorder	O
Super-35	O
mm	O
/	O
13.5	O
MP	O
(	O
CMOS	O
sensor	O
)	O
0.24	O
"	O
1.56	O
MP	O
,	O
16:9	O
EVF	B-Algorithm
February	O
2015	O
42	O
Panasonic	B-Algorithm
Lumix	I-Algorithm
DMC-G7	I-Algorithm
4:3	O
,	O
16.8	O
MP	O
.	O
</s>
<s>
EVF	B-Algorithm
;	O
1.4	O
×	O
mag	O
;	O
2.36	O
M	O
dots	O
May	O
2015	O
43	O
Panasonic	B-Algorithm
Lumix	I-Algorithm
DMC-GX8	I-Algorithm
4:3	O
,	O
20	O
MP	O
.	O
</s>
<s>
EVF	B-Algorithm
;	O
1.54	O
×	O
mag	O
;	O
2.36	O
M	O
dots	O
July	O
2015	O
44	O
Z	O
CAM	O
E1	O
4:3	O
,	O
16	O
MP	O
N/A	O
July	O
2015	O
45	O
Olympus	B-Algorithm
OM-D	I-Algorithm
E-M10	I-Algorithm
Mark	I-Algorithm
II	I-Algorithm
4:3	O
,	O
16	O
MP	O
(	O
4/3	B-Architecture
Live	O
MOS	O
sensor	O
)	O
EVF	B-Algorithm
;	O
1.23x	O
mag	O
;	O
2.36	O
M	O
dots	O
August	O
2015	O
46	O
DJI	B-Device
Zenmuse	O
X5	O
4:3	O
,	O
16	O
MP	O
(	O
4/3	B-Architecture
Live	O
MOS	O
sensor	O
)	O
N/A	O
September	O
2015	O
47	O
Olympus	B-Algorithm
PEN-F	I-Algorithm
4:3	O
,	O
20	O
MP	O
(	O
4/3	B-Architecture
Live	O
MOS	O
sensor	O
)	O
EVF	B-Algorithm
;	O
1.08x	O
to	O
1.23x	O
mag	O
;	O
2.36	O
M	O
dots	O
February	O
2016	O
48	O
Panasonic	O
Lumix	O
DMC-GX80/DMC-GX85/GX7	O
Mark	O
II	O
4:3	O
,	O
16	O
MP	O
(	O
4/3	B-Architecture
Live	O
MOS	O
sensor	O
)	O
2.76	O
million	O
dots	O
EVF	B-Algorithm
April	O
2016	O
49	O
Panasonic	B-Algorithm
Lumix	I-Algorithm
DMC-G85/G80	I-Algorithm
4:3	O
,	O
16MP	O
(	O
4/3	B-Architecture
Live	O
MOS	O
sensor	O
)	O
2.76	O
million	O
dots	O
EVF	B-Algorithm
September	O
2016	O
50	O
Olympus	B-Algorithm
OM-D	I-Algorithm
E-M1	I-Algorithm
Mark	I-Algorithm
II	I-Algorithm
4:3	O
,	O
20	O
MP	O
(	O
4/3	B-Architecture
Live	O
MOS	O
sensor	O
)	O
2.36	O
million	O
dots	O
EVF	B-Algorithm
2016-0919	O
September	O
2016	O
.	O
</s>
<s>
51	O
Olympus	O
PEN	O
E-PL8	O
4:3	O
,	O
16	O
MP	O
(	O
4/3	B-Architecture
Live	O
MOS	O
sensor	O
)	O
2016-0919	O
September	O
2016	O
.	O
</s>
<s>
52	O
YI	O
M1	O
4:3	O
,	O
20	O
MP	O
September	O
2016	O
53	O
Panasonic	B-Algorithm
Lumix	I-Algorithm
DC-GH5	I-Algorithm
4:3	O
,	O
20	O
MP	O
(	O
4/3	B-Architecture
Live	O
MOS	O
sensor	O
)	O
3.6	O
million	O
dots	O
EVF	B-Algorithm
2017-01January	O
2017	O
54	O
Panasonic	B-Device
Lumix	I-Device
DC-GF9/DC-GX800/DC	O
-GX850	O
4:3	O
,	O
16MP	O
(	O
4/3	B-Architecture
Live	O
MOS	O
sensor	O
)	O
January	O
2017	O
55	O
Olympus	B-Algorithm
OM-D	I-Algorithm
E-M10	I-Algorithm
Mark	I-Algorithm
III	I-Algorithm
4:3	O
,	O
16	O
MP	O
(	O
4/3	B-Architecture
Live	O
MOS	O
sensor	O
)	O
EVF	B-Algorithm
;	O
1.23x	O
mag	O
;	O
2.36	O
M	O
dots	O
September	O
2017	O
56	O
Panasonic	B-Algorithm
Lumix	I-Algorithm
DC-G9	I-Algorithm
4:3	O
,	O
20	O
MP	O
(	O
4/3	B-Architecture
Live	O
MOS	O
sensor	O
)	O
3.68	O
Mdots	O
EVF	B-Algorithm
,	O
1.68x	O
mag	O
2017-01November	O
2017	O
57	O
Panasonic	B-Algorithm
Lumix	I-Algorithm
DC-GH5S	I-Algorithm
4:3	O
,	O
10	O
MP	O
(	O
4/3	B-Architecture
Live	O
MOS	O
,	O
Dual	O
Native	O
ISO	O
)	O
EVF	B-Algorithm
;	O
1.52	O
×	O
mag	O
;	O
3.68	O
Mdots	O
Jan	O
2018	O
58	O
Panasonic	B-Device
Lumix	I-Device
DC-GX9	O
4:3	O
,	O
20	O
MP	O
.	O
</s>
<s>
Because	O
the	O
flange	O
focal	O
distance	O
of	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
cameras	O
are	O
shorter	O
than	O
DSLRs	B-Device
,	O
most	O
lenses	O
are	O
smaller	O
and	O
cheaper	O
.	O
</s>
<s>
This	O
feature	O
also	O
permitted	O
the	O
lens	O
designers	O
to	O
develop	O
the	O
world	O
's	O
fastest	O
fisheye	O
lens	O
with	O
autofocus	O
,	O
the	O
Olympus	B-Device
ED	I-Device
8	I-Device
mm	I-Device
f/1.8	I-Device
.	O
</s>
<s>
The	O
400mm	O
focal	B-Algorithm
length	I-Algorithm
in	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
has	O
the	O
same	O
angle	O
of	O
view	O
as	O
an	O
800mm	O
focal	B-Algorithm
length	I-Algorithm
in	O
full	O
frame	O
cameras	O
.	O
</s>
<s>
When	O
compared	O
to	O
a	O
full	O
frame	O
camera	O
lens	O
providing	O
a	O
similar	O
angle	O
of	O
view	O
,	O
rather	O
than	O
weighing	O
a	O
few	O
kilograms	O
(	O
several	O
pounds	O
)	O
and	O
generally	O
having	O
a	O
length	O
of	O
over	O
60cm	O
(	O
2ft	O
)	O
end	O
to	O
end	O
,	O
the	O
optically	O
stabilized	O
Panasonic	B-Device
Lumix	I-Device
G	O
Vario	O
100	O
–	O
300mm	O
lens	O
weighs	O
just	O
520	O
grams	O
(	O
18.3oz	O
)	O
,	O
is	O
only	O
126mm	O
(	O
5.0in	O
)	O
long	O
,	O
and	O
uses	O
a	O
relatively	O
petite	O
67mm	O
filter	O
size	O
.	O
</s>
<s>
In	O
2013	O
,	O
Panasonic	O
began	O
including	O
sensor-based	O
stabilization	O
in	O
its	O
cameras	O
,	O
beginning	O
with	O
the	O
Lumix	B-Device
DMC-GX7	I-Device
.	O
</s>
<s>
Of	O
all	O
Panasonic	O
lenses	O
only	O
few	O
with	O
short	O
focal	B-Algorithm
lengths	I-Algorithm
,	O
and	O
therefore	O
wide	O
angles	O
of	O
view	O
and	O
low	O
susceptibility	O
to	O
image	O
shaking	O
,	O
are	O
not	O
image	O
stabilized	O
,	O
including	O
the	O
8mm	O
fisheye	O
,	O
7	O
–	O
14mm	O
wide	O
angle	O
zoom	O
,	O
14mm	O
prime	O
,	O
the	O
15mm	O
prime	O
,	O
the	O
20mm	O
prime	O
and	O
the	O
25mm	O
prime	O
.	O
</s>
<s>
Since	O
most	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
lenses	O
have	O
neither	O
a	O
mechanical	O
focusing	O
ring	O
nor	O
an	O
aperture	O
ring	O
,	O
adapting	O
these	O
lenses	O
for	O
other	O
camera	O
mounts	O
is	O
impossible	O
or	O
compromised	O
.	O
</s>
<s>
A	O
variety	O
of	O
companies	O
manufacture	O
adapters	O
to	O
use	O
lenses	O
from	O
nearly	O
any	O
legacy	O
lens	B-Algorithm
mount	I-Algorithm
(	O
such	O
lenses	O
,	O
of	O
course	O
,	O
support	O
no	O
automatic	O
functions	O
.	O
)	O
</s>
<s>
For	O
the	O
Four	O
Third	O
lenses	O
that	O
can	O
be	O
mounted	O
on	O
MFT	O
bodies	O
,	O
see	O
Four	B-Architecture
Thirds	I-Architecture
system	I-Architecture
lenses	I-Architecture
.	O
</s>
<s>
For	O
those	O
that	O
support	O
fast	O
AF	O
(	O
Imager	B-Algorithm
AF	O
)	O
,	O
see	O
the	O
Olympus	O
website	O
.	O
</s>
<s>
Brand	O
Product	O
Name	O
Focal	B-Algorithm
Length	I-Algorithm
35mm	O
equivalent	O
focal	B-Algorithm
length	I-Algorithm
Aperture	O
Weight	O
(	O
gr	O
)	O
Remarks	O
Olympus	O
Olympus	O
M.Zuiko	O
Digital	O
ED	O
7-14mm	O
2.8	O
PRO	O
7-14mm	O
14-28mm	O
2.8	O
535	O
weather-sealed	O
,	O
7.5	O
cm	O
minimum	O
focus	O
distance	O
(	O
magnification	O
0.3x	O
)	O
Olympus	O
Olympus	O
M.Zuiko	O
Digital	O
ED	O
8-25mm	O
4	O
PRO	O
8-25mm	O
16-50mm	O
4	O
411	O
weather-sealed	O
,	O
announced	O
June	O
2021	O
Olympus	O
Olympus	O
M.Zuiko	O
Digital	O
ED	O
9-18mm	O
4-5.6	O
9-18mm	O
18-36mm	O
4.0-5.6	O
155	O
Panasonic	O
Panasonic	B-Device
Lumix	I-Device
G	I-Device
Vario	I-Device
7-14mm	I-Device
4	O
Asph	O
.	O
</s>
<s>
7-14mm	O
14-28mm	O
4	O
300	O
Panasonic	O
Panasonic	B-Device
Leica	I-Device
DG	I-Device
Vario-Elmar	I-Device
8-18mm	I-Device
2.8-4	O
Asph	O
.	O
</s>
<s>
Brand	O
Product	O
Name	O
Focal	B-Algorithm
Length	I-Algorithm
35mm	O
EFL	O
Aperture	O
Weight	O
(	O
gr	O
)	O
Remarks	O
Olympus	O
Olympus	O
M.Zuiko	O
Digital	O
ED	O
12-40mm	O
2.8	O
PRO	O
12-40mm	O
24-80mm	O
2.8	O
380	O
weather-sealed	O
,	O
announced	O
September	O
2013	O
Olympus	O
Olympus	O
M.Zuiko	O
Digital	O
ED	O
12-45mm	O
4	O
PRO	O
12-45mm	O
24-90mm	O
4	O
254	O
weather-sealed	O
,	O
announced	O
February	O
2020	O
Olympus	O
Olympus	O
M.Zuiko	O
Digital	O
ED	O
12-50mm	O
3.5-6.3	O
EZ	O
12-50mm	O
24-100mm	O
3.5	O
–	O
6.3	O
210	O
weather-sealed	O
Olympus	O
Olympus	O
M.Zuiko	O
Digital	O
ED	O
14-42mm	O
3.5-5.6	O
14-42mm	O
28-84mm	O
3.5	O
–	O
5.6	O
150	O
discontinued	O
Olympus	O
Olympus	O
M.Zuiko	O
Digital	O
ED	O
14-42mm	O
3.5-5.6	O
L	O
14-42mm	O
28-84mm	O
3.5	O
–	O
5.6	O
133	O
discontinued	O
Olympus	O
Olympus	O
M.Zuiko	O
Digital	O
14-42mm	O
3.5-5.6	O
II	O
MSC	O
14-42mm	O
28-84mm	O
3.5	O
–	O
5.6	O
115	O
discontinued	O
Olympus	O
Olympus	O
M.Zuiko	O
Digital	O
14-42mm	O
3.5-5.6	O
IIR	O
MSC	O
14-42mm	O
28-84mm	O
3.5	O
–	O
5.6	O
115	O
Olympus	O
Olympus	O
M.Zuiko	O
Digital	O
ED	O
14-42mm	O
3.5-5.6	O
EZ	O
14-42mm	O
28-84mm	O
3.5	O
–	O
5.6	O
95	O
announced	O
January	O
2014OM	O
SystemOM	O
System	O
M.Zuiko	O
Digital	O
ED	O
12	O
–	O
40mm	O
2.8	O
PRO	O
II12-40mm24-80mm2.8382IP53	O
weather-sealed	O
,	O
announced	O
February	O
2022	O
Panasonic	O
Panasonic	B-Device
Lumix	I-Device
G	O
Vario	O
12-32mm	O
3.5	O
–	O
5.6	O
Asph.	O
,	O
Mega	O
O.I.S.	O
</s>
<s>
12-32mm	O
24-64mm	O
3.5	O
–	O
5.6	O
70	O
announced	O
October	O
2013	O
Panasonic	O
Panasonic	B-Algorithm
Lumix	I-Algorithm
G	I-Algorithm
X	I-Algorithm
Vario	I-Algorithm
12-35mm	I-Algorithm
2.8	O
Asph.	O
,	O
Power	O
O.I.S.	O
</s>
<s>
12-35mm	O
24-70mm	O
2.8	O
305	O
discontinued	O
,	O
announced	O
in	O
2012	O
Panasonic	O
Panasonic	B-Algorithm
Lumix	I-Algorithm
G	I-Algorithm
X	I-Algorithm
Vario	I-Algorithm
12-35mm	I-Algorithm
2.8	O
II	O
Asph.	O
,	O
Power	O
O.I.S.	O
</s>
<s>
12-35mm	O
24-70mm	O
2.8	O
305	O
announced	O
at	O
CES	O
in	O
2017	O
Panasonic	O
Panasonic	B-Device
Lumix	I-Device
G	O
Vario	O
14-42mm	O
3.5	O
–	O
5.6	O
Asph.	O
,	O
Mega	O
O.I.S.	O
</s>
<s>
14-42mm	O
28-84mm	O
3.5	O
–	O
5.6	O
165	O
Panasonic	O
Panasonic	B-Device
Lumix	I-Device
G	O
Vario	O
14-42mm	O
3.5	O
–	O
5.6	O
II	O
Asph.	O
,	O
Mega	O
O.I.S.	O
</s>
<s>
14-42mm	O
28-84mm	O
3.5	O
–	O
5.6	O
110	O
announced	O
29	O
January	O
2013	O
Panasonic	O
Panasonic	B-Algorithm
Lumix	I-Algorithm
G	I-Algorithm
X	I-Algorithm
Vario	I-Algorithm
PZ	I-Algorithm
14-42mm	I-Algorithm
3.5	O
–	O
5.6	O
Asph.	O
,	O
Power	O
O.I.S.	O
</s>
<s>
14-42mm	O
28-84mm	O
3.5	O
–	O
5.6	O
95	O
announced	O
26	O
August	O
2011	O
Panasonic	O
Panasonic	B-Device
Lumix	I-Device
G	O
Vario	O
14-45mm	O
3.5	O
–	O
5.6	O
Asph.	O
,	O
Mega	O
O.I.S.	O
</s>
<s>
12-60mm	O
24-120mm	O
2.8	O
–	O
4	O
320	O
weather-sealed	O
,	O
announced	O
4	O
January	O
2017	O
Panasonic	O
Panasonic	B-Device
Lumix	I-Device
G	O
Vario	O
12-60mm	O
3.5	O
–	O
5.6	O
Asph.	O
,	O
Power	O
O.I.S.	O
</s>
<s>
Brand	O
Product	O
Name	O
Focal	B-Algorithm
Length	I-Algorithm
35mm	O
equivalent	O
focal	B-Algorithm
length	I-Algorithm
Aperture	O
Weight	O
(	O
gr	O
)	O
Remarks	O
Olympus	O
Olympus	O
M.Zuiko	O
Digital	O
ED	O
40-150mm	O
2.8	O
PRO	O
40-150mm	O
80-300mm	O
2.8	O
880	O
weather-sealed	O
,	O
announced	O
September	O
2013	O
Olympus	O
Olympus	O
M.Zuiko	O
Digital	O
ED	O
40-150mm	O
4-5.6	O
40-150mm	O
80-300mm	O
4-5.6	O
190	O
discontinued	O
,	O
announced	O
September	O
2010	O
Olympus	O
Olympus	O
M.Zuiko	O
Digital	O
ED	O
40-150mm	O
4-5.6	O
R	O
40-150mm	O
80-300mm	O
4-5.6	O
190	O
Olympus	O
Olympus	O
M.Zuiko	O
Digital	O
ED	O
75-300mm	O
4.8-6.7	O
75-300mm	O
150-600mm	O
4.8-6.7	O
430	O
discontinued	O
Olympus	O
Olympus	O
M.Zuiko	O
Digital	O
ED	O
75-300mm	O
4.8-6.7	O
II	O
75-300mm	O
150-600mm	O
4.8-6.7	O
430	O
Olympus	O
Olympus	O
M.Zuiko	O
Digital	O
ED	O
100-400mm	O
5.0-6.3	O
IS	O
100-400mm	O
200-800mm	O
5.0-6.3	O
1120	O
(	O
announced	O
4	O
August	O
2020	O
)	O
Olympus	O
Olympus	O
M.Zuiko	O
Digital	O
ED	O
150-400mm	O
4.5	O
IS	O
PRO	O
150-400mm(187.5-500mm )	O
300-800mm(375-1000mm )	O
4.5(5.6 )	O
1875announced	O
24	O
Jan	O
2019	O
;	O
includes	O
1.25	O
×	O
teleconverter	O
(	O
values	O
in	O
brackets	O
are	O
with	O
teleconverter	O
engaged	O
)	O
.OM	O
SystemOM	O
System	O
M.Zuiko	O
Digital	O
ED	O
40	O
–	O
150mm	O
4	O
PRO40-150mm80-300mm4382IP53	O
weather-sealed	O
,	O
announced	O
February	O
2022	O
Panasonic	O
Panasonic	B-Device
Lumix	I-Device
G	O
X	O
Vario	O
35-100mm	O
2.8	O
,	O
Power	O
O.I.S.	O
</s>
<s>
35-100mm	O
70-200mm	O
2.8	O
360	O
weather-sealed	O
,	O
announced	O
17	O
September	O
2012	O
Panasonic	O
Panasonic	B-Device
Lumix	I-Device
G	O
Vario	O
35-100mm	O
4	O
–	O
5.6	O
Asph.	O
,	O
Mega	O
O.I.S.	O
</s>
<s>
35-100mm	O
70-200mm	O
4-5.6	O
135	O
Panasonic	O
Panasonic	B-Device
Lumix	I-Device
G	O
Vario	O
45-150mm	O
4	O
–	O
5.6	O
Asph.	O
,	O
Mega	O
O.I.S.	O
</s>
<s>
45-150mm	O
90-300mm	O
4-5.6	O
200	O
announced	O
18	O
July	O
2012	O
Panasonic	O
Panasonic	B-Device
Lumix	I-Device
G	I-Device
X	I-Device
Vario	I-Device
PZ	I-Device
45-175mm	I-Device
4	O
–	O
5.6	O
Asph.	O
,	O
Power	O
O.I.S.	O
</s>
<s>
45-175mm	O
90-350mm	O
4-5.6	O
210	O
Panasonic	O
Panasonic	B-Algorithm
Lumix	I-Algorithm
G	I-Algorithm
Vario	I-Algorithm
45-200mm	I-Algorithm
4	O
–	O
5.6	O
,	O
Mega	O
O.I.S.	O
</s>
<s>
45-200mm	O
90-400mm	O
4-5.6	O
380	O
PanasonicPanasonic	O
Lumix	B-Device
G	O
Vario	O
45-200mm	O
4	O
–	O
5.6	O
II	O
,	O
Power	O
O.I.S45-200mm90-400mm4-5.6380weather-sealed	O
Panasonic	O
Panasonic	O
Leica	O
DG	O
Vario-Elmarit	O
50	O
–	O
200mm	O
2.8	O
–	O
4	O
Asph.	O
,	O
Power	O
O.I.S.	O
</s>
<s>
50-200mm	O
100-400mm	O
2.8-4	O
655	O
announced	O
26	O
February	O
2018	O
Panasonic	O
Panasonic	B-Device
Lumix	I-Device
G	O
Vario	O
100-300mm	O
4	O
–	O
5.6	O
,	O
Mega	O
O.I.S.	O
</s>
<s>
100-300mm	O
200-600mm	O
4-5.6	O
520	O
discontinuedPanasonicPanasonic	O
Lumix	B-Device
G	O
Vario	O
100-300mm	O
4-5.6	O
II	O
Power	O
O.I.S100-300mm200-600mm4-5.6520upgraded	O
support	O
for	O
harsh	O
weather	O
conditions	O
(	O
splashproof/dustproof	O
)	O
Panasonic	O
Panasonic	B-Device
Leica	I-Device
DG	I-Device
Vario-Elmar	I-Device
100-400	I-Device
mm	I-Device
4.0-6.3	O
Asph.	O
,	O
Power	O
O.I.S.	O
</s>
<s>
Brand	O
Product	O
Name	O
Focal	B-Algorithm
Length	I-Algorithm
35mm	O
EFL	O
and	O
aperture	O
Aperture	O
Weight	O
(	O
gr	O
)	O
Remarks	O
Olympus	O
Olympus	O
M.Zuiko	O
ED	O
12-100mm	O
f/4.0	O
IS	O
PRO	O
12-100mm	O
24-200mm	O
8	O
4.0	O
561	O
announced	O
19	O
September	O
2016	O
Olympus	O
Olympus	O
M.Zuiko	O
Digital	O
ED	O
12-200mm	O
f/3.5	O
-6.3	O
12-200mm	O
24-400mm	O
7-12.6	O
3.5-6.3	O
455	O
announced	O
13	O
February	O
2019	O
Olympus	O
Olympus	O
M.Zuiko	O
Digital	O
ED	O
14-150mm	O
4-5.6	O
14-150mm	O
28-300mm	O
8-11.2	O
4-5.6	O
280	O
discontinued	O
Olympus	O
Olympus	O
M.Zuiko	O
Digital	O
ED	O
14-150mm	O
4-5.6	O
II	O
14-150mm	O
28-300mm	O
8-11.2	O
4-5.6	O
280	O
announced	O
5	O
February	O
2015	O
Panasonic	O
Panasonic	B-Algorithm
Lumix	I-Algorithm
G	I-Algorithm
Vario	I-Algorithm
14-140mm	I-Algorithm
3.5-5.6	O
Asph	O
.	O
</s>
<s>
Panasonic	O
Panasonic	B-Algorithm
Lumix	I-Algorithm
G	I-Algorithm
Vario	I-Algorithm
HD	I-Algorithm
14-140mm	I-Algorithm
4	O
–	O
5.8	O
Mega	O
O.I.S.	O
</s>
<s>
On	O
Jan	O
9	O
,	O
2012	O
Sigma	O
announced	O
its	O
first	O
two	O
lenses	O
for	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
,	O
the	O
"	O
30mm	O
2.8	O
EX	O
DN	O
and	O
the	O
19mm	O
2.8	O
EX	O
DN	O
lenses	O
in	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
mounts	O
"	O
.	O
</s>
<s>
In	O
a	O
press	O
release	O
posted	O
on	O
January	O
26	O
,	O
2012	O
,	O
Olympus	O
and	O
Panasonic	O
jointly	O
announced	O
that	O
"	O
ASTRODESIGN	O
,	O
Inc.	O
,	O
Kenko	O
Tokina	O
Co.	O
,	O
Ltd	O
.	O
and	O
Tamron	O
Co.	O
,	O
Ltd	O
.	O
join[ed]	O
the	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
System	I-Operating_System
Standard	O
Group	O
"	O
.	O
</s>
<s>
On	O
January	O
26	O
,	O
2012	O
,	O
Tokina	O
and	O
Tamron	O
have	O
indicated	O
they	O
would	O
be	O
designing	O
lenses	O
for	O
the	O
Micro	B-Operating_System
4/3	I-Operating_System
system	I-Operating_System
as	O
well	O
.	O
</s>
<s>
Brand	O
Product	O
Name	O
Focal	B-Algorithm
Length	I-Algorithm
35mm	O
equivalent	O
focal	B-Algorithm
length	I-Algorithm
Max	O
.	O
</s>
<s>
12mm	O
24mm	O
1.4	O
335	O
(	O
announced	O
15	O
June	O
2016	O
)	O
Panasonic	O
Panasonic	B-Device
Lumix	I-Device
G	O
14mm	O
2.5	O
Asph	O
.	O
</s>
<s>
14mm	O
28mm	O
2.5	O
55	O
discontinued	O
Panasonic	O
Panasonic	B-Device
Lumix	I-Device
G	O
14mm	O
2.5	O
II	O
Asph	O
.	O
</s>
<s>
15mm	O
30mm	O
1.7	O
115	O
(	O
announced	O
17	O
October	O
2013	O
)	O
Panasonic	O
Panasonic	B-Device
Lumix	I-Device
G	O
20mm	O
1.7	O
Asph	O
.	O
</s>
<s>
20mm	O
40mm	O
1.7	O
100	O
discontinued	O
Panasonic	O
Panasonic	B-Device
Lumix	I-Device
G	O
20mm	O
1.7	O
II	O
Asph	O
.	O
</s>
<s>
25mm	O
50mm	O
1.4	O
200	O
(	O
announced	O
13	O
June	O
2011	O
)	O
Panasonic	O
Panasonic	B-Device
Lumix	I-Device
G	O
25mm	O
1.7	O
Asph	O
.	O
</s>
<s>
25mm	O
50mm	O
1.7	O
125	O
(	O
announced	O
2	O
September	O
2015	O
)	O
Panasonic	O
Panasonic	O
Leica	O
DG	O
Nocticron	B-Device
42.5mm	O
1.2	O
Asph	O
.	O
</s>
<s>
42.5mm	O
85mm	O
1.2	O
425	O
(	O
announced	O
1	O
August	O
2013	O
)	O
Panasonic	O
Panasonic	B-Device
Lumix	I-Device
G	O
42.5mm	O
1.7	O
Asph	O
.	O
</s>
<s>
200mm	O
400mm	O
2.8	O
1245	O
(	O
announced	O
8	O
November	O
2017	O
)	O
Sigma	O
Sigma	O
16mm	O
1.4	O
DC	O
DN	O
|	O
Contemporary	O
16mm	O
32mm	O
1.4	O
405	O
(	O
announced	O
24	O
October	O
2017	O
)	O
Sigma	O
Sigma	O
19mm	O
2.8	O
DN	O
Art	O
19mm	O
38mm	O
2.8	O
140	O
Sigma	O
Sigma	O
19mm	O
2.8	O
EX	O
DN	O
19mm	O
38mm	O
2.8	O
140	O
discontinued	O
Sigma	O
Sigma	O
30mm	O
1.4	O
DC	O
DN	O
|	O
Contemporary	O
30mm	O
60mm	O
1.4	O
264	O
Sigma	O
Sigma	O
30mm	O
2.8	O
DN	O
Art	O
30mm	O
60mm	O
2.8	O
130	O
Sigma	O
Sigma	O
30mm	O
2.8	O
EX	O
DN	O
30mm	O
60mm	O
2.8	O
130	O
discontinued	O
Sigma	O
Sigma	O
56mm	O
1.4	O
DC	O
DN	O
|	O
Contemporary	O
56mm	O
112mm	O
1.4	O
280	O
(	O
announced	O
24	O
October	O
2017	O
)	O
Sigma	O
Sigma	O
60mm	O
2.8	O
DN	O
Art	O
60mm	O
120mm	O
2.8	O
190	O
DJI	B-Device
DJI	B-Device
15mm	O
1.7	O
Asph	O
.	O
</s>
<s>
Brand	O
Product	O
Name	O
Focal	B-Algorithm
Length	I-Algorithm
35mm	O
EFL	O
Max	O
.	O
</s>
<s>
2x	O
(	O
4x	O
35mm	O
equivalent	O
)	O
magnification	O
ratio	O
Panasonic	O
Panasonic	B-Algorithm
Leica	I-Algorithm
DG	I-Algorithm
Macro-Elmarit	I-Algorithm
45mm	I-Algorithm
2.8	O
Asph	O
.	O
</s>
<s>
Brand	O
Product	O
Name	O
Focal	B-Algorithm
Length	I-Algorithm
35mm	O
EFL	O
Max	O
.	O
</s>
<s>
It	O
must	O
be	O
easy	O
to	O
accomplish.	O
,	O
entaniya.co.jp,	O
retrieved	O
30	O
September	O
2018	O
2.3mm	O
4.6mm	O
2.8	O
≈1700	O
250°	O
Field	O
of	O
view	O
Entaniya	O
Fisheye	O
HAL	O
250	O
MFT	O
3.0	O
3.0mm	O
6mm	O
2.8	O
≈1700	O
250°	O
Field	O
of	O
view	O
Meike	O
MK-3.5mm	O
2.8	O
Fisheye	O
3.5mm	O
7mm	O
2.8	O
190	O
220°	O
Field	O
of	O
view	O
Entaniya	O
Fisheye	O
HAL	O
250	O
MFT	O
3.6	O
3.6mm	O
7.2mm	O
2.8	O
≈1700	O
250°	O
Field	O
of	O
view	O
Entaniya	O
Fisheye	O
HAL	O
200	O
MFT	O
3.6	O
3.6mm	O
7.2mm	O
4.0	O
860	O
200°	O
Field	O
of	O
view	O
Venus	O
Optics	O
Laowa	O
4	O
mm	O
f/2	O
,	O
8	O
4mm	O
8mm	O
2.8	O
135	O
210°	O
Field	O
of	O
viewVenus	O
Laowa	O
4mm	O
F2.8	O
Fisheye	O
MFT	O
,	O
dpreview	O
,	O
20	O
April	O
2018	O
,	O
retrieved	O
30	O
September	O
2018	O
Lensbaby	O
Lensbaby	O
5.8mm	O
f/3.5	O
Circular	O
Fisheye	O
5.8mm	O
11.6mm	O
3.5	O
220	O
185°	O
Field	O
of	O
view	O
Meike	O
MK-6.5mm	O
2.0	O
Fisheye	O
6.5mm	O
13mm	O
2.0	O
300	O
190°	O
Field	O
of	O
view	O
Meike	O
MK-8mm	O
3.5	O
Fisheye	O
8mm	O
16mm	O
3.5	O
519	O
200°	O
Field	O
of	O
view	O
Olympus	O
Olympus	O
M.Zuiko	O
Digital	O
ED	O
8mm	O
1.8	O
Fisheye	O
PRO	O
8mm	O
16mm	O
1.8	O
315	O
weather-sealed	O
,	O
2.5	O
cm	O
minimum	O
focus	O
distance	O
Olympus	O
Olympus	O
9mm	O
8	O
Fisheye	O
Body	O
Cap	O
9mm	O
18mm	O
8.0	O
30	O
Fixed	O
aperture	O
,	O
manual	O
focus	O
Panasonic	O
Panasonic	B-Device
Lumix	I-Device
G	O
Fisheye	O
8mm	O
3.5	O
8mm	O
16mm	O
3.5	O
165	O
Samyang	O
Samyang	O
7.5mm	O
3.5	O
UMC	O
Fish-eye	O
MFT	O
7.5mm	O
15mm	O
3.5	O
190	O
Manual	O
focus	O
.	O
</s>
<s>
Brand	O
Product	O
Name	O
Focal	B-Algorithm
Length	I-Algorithm
35mm	O
EFL	O
and	O
aperture	O
Max	O
.	O
</s>
<s>
aperture	O
Weight	O
(	O
gr	O
)	O
Remarks	O
Olympus	O
Olympus	O
15mm	O
8	O
Body	O
Cap	O
15mm	O
30mm	O
16	O
8	O
22	O
Fixed	O
aperture	O
Cosina	B-Algorithm
Voigtländer	I-Algorithm
Cosina	B-Algorithm
Voigtländer	I-Algorithm
Nokton	B-Algorithm
10.5mm	O
0.95	O
10.5mm	O
21mm	O
1.9	O
0.95	O
585	O
Cosina	B-Algorithm
Voigtländer	I-Algorithm
Cosina	B-Algorithm
Voigtländer	I-Algorithm
Nokton	B-Algorithm
17.5mm	O
0.95	O
17.5mm	O
35mm	O
1.9	O
0.95	O
540	O
Cosina	B-Algorithm
Voigtländer	I-Algorithm
Cosina	B-Algorithm
Voigtländer	I-Algorithm
Nokton	B-Algorithm
25mm	O
0.95	O
25mm	O
50mm	O
1.9	O
0.95	O
435	O
Cosina	B-Algorithm
Voigtländer	I-Algorithm
Cosina	B-Algorithm
Voigtländer	I-Algorithm
Nokton	B-Algorithm
29mm	O
0.8	O
29mm	O
58mm	O
1.6	O
0.8	O
700	O
Cosina	B-Algorithm
Voigtländer	I-Algorithm
Cosina	B-Algorithm
Voigtländer	I-Algorithm
Nokton	B-Algorithm
42.5mm	O
0.95	O
42.5mm	O
85mm	O
1.9	O
0.95	O
571	O
Cosina	O
VoigtländerCosina	O
Voigtländer	O
Nokton	B-Algorithm
60mm	O
0.95	O
60mm120mm	O
1.90.95860Cosina	O
VoigtländerCosina	O
Voigtländer	O
Nokton	B-Algorithm
60mm	O
0.95	O
II60mm120mm	O
1.90.95435	O
Meike	O
Meike	O
12mm	O
2.8	O
12mm	O
24mm	O
5.6	O
2.8	O
380	O
Meike	O
Meike	O
25mm	O
0.95	O
25mm	O
50mm	O
1.8	O
0.95	O
540	O
Meike	O
Meike	O
28mm	O
2.8	O
28mm	O
56mm	O
5.6	O
2.8	O
102	O
Meike	O
Meike	O
35mm	O
1.7	O
35mm	O
56mm	O
3.4	O
1.7	O
172	O
Meike	O
Meike	O
50mm	O
2.0	O
50mm	O
100mm	O
4.0	O
2.0185	O
Sirui	O
Sirui	O
35mm	O
1.8	O
Anamorphic	O
1.33x	O
35mm	O
70mm	O
3.6	O
1.8	O
700	O
(	O
announced	O
7	O
July	O
2020	O
)	O
Sirui	O
Sirui	O
50mm	O
1.8	O
Anamorphic	O
1.33x	O
50mm	O
100mm	O
3.6	O
1.8	O
560	O
(	O
announced	O
16	O
September	O
2019	O
)	O
SLR	O
Magic	O
SLR	O
Magic	O
Toy	O
Lens	O
11mm	O
1.4	O
11mm	O
22mm	O
2.8	O
1.4	O
SLR	O
Magic	O
SLR	O
Magic	O
Toy	O
Lens	O
26mm	O
1.4	O
26mm	O
52mm	O
2.8	O
1.4	O
SLR	O
Magic	O
SLR	O
Magic	O
8mm	O
4.0	O
8mm	O
16mm	O
8	O
4	O
SLR	O
Magic	O
SLR	O
Magic	O
10mm	O
HyperPrime	O
CINE	O
T2.1	O
10mm	O
20mm	O
4.2	O
2.1	O
SLR	O
Magic	O
SLR	O
Magic	O
HyperPrime	O
CINE	O
12mm	O
T1.6	O
12mm	O
24mm	O
3.2	O
1.6	O
15	O
cm	O
minimum	O
focusing	O
distance	O
SLR	O
Magic	O
SLR	O
Magic	O
CINE	O
17mm	O
T1.6	O
17mm	O
34mm	O
3.2	O
1.6	O
SLR	O
Magic	O
SLR	O
Magic	O
HyperPrime	O
CINE	O
II	O
25mm	O
T0.95	O
25mm	O
50mm	O
1.9	O
0.95	O
SLR	O
Magic	O
SLR	O
Magic	O
35mm	O
CINE	O
Mark	O
II	O
T1.4	O
35mm	O
70mm	O
2.8	O
1.4	O
SLR	O
Magic	O
SLR	O
Magic	O
35mm	O
1.7	O
35mm	O
70mm	O
3.4	O
1.7	O
SLR	O
Magic	O
SLR	O
Magic	O
HyperPrime	O
CINE	O
35mm	O
T0.95	O
35mm	O
70mm	O
1.9	O
0.95	O
APS-H	O
Leica	B-Algorithm
M	I-Algorithm
mount	I-Algorithm
lens	O
with	O
adapter	O
SLR	O
Magic	O
SLR	O
Magic	O
ANAMORPHOT-CINE	O
35mm	O
T2.4	O
35mm	O
70mm	O
4.8	O
2.4	O
SLR	O
Magic	O
SLR	O
Magic	O
ANAMORPHOT-CINE	O
50mm	O
T2.8	O
50mm	O
100mm	O
5.6	O
2.8	O
SLR	O
Magic	O
SLR	O
Magic	O
HyperPrime	O
50mm	O
0.95	O
50mm	O
100mm	O
1.9	O
0.95	O
SLR	O
Magic	O
SLR	O
Magic	O
APO-HyperPrime	O
50mm	O
T2.1	O
50mm	O
100mm	O
4.2	O
2.1	O
SLR	O
Magic	O
SLR	O
Magic	O
ANAMORPHOT-CINE	O
70mm	O
T4	O
70mm	O
140mm	O
8	O
4	O
Handevision	O
Handevision	O
Ibelux	O
40mm	O
0.85	O
40mm	O
80mm	O
1.7	O
0.85	O
Meyer	O
Görlitz	O
Nocturnus	O
35mm	O
0.95	O
35mm	O
70mm	O
1.9	O
0.95	O
Mitakon	O
Mitakon	O
24mm	O
1.7	O
24mm	O
48mm	O
3.4	O
1.7	O
MitakonMitakon	O
Speedmaster	O
17mm	O
0.9517mm34mm	O
1.90.95	O
Mitakon	O
Mitakon	O
Speedmaster	O
25mm	O
0.95	O
25mm	O
50mm	O
1.9	O
0.95	O
Mitakon	O
Mitakon	O
Speedmaster	O
35mm	O
0.95	O
35mm	O
70mm	O
1.9	O
0.95	O
Mitakon	O
Mitakon	O
42.5mm	O
1.2	O
42.5mm	O
85mm	O
2.4	O
1.2	O
Tokina	O
Tokina	O
Reflex	O
300mm	O
6.3	O
MF	O
Macro	O
300mm	O
600mm	O
12.6	O
6.3	O
298	O
TTArtisan	O
TTArtisan	O
17mm	O
1.4	O
MFT17mm34mm	O
2.81.4TTArtisanTTArtisan	O
35mm	O
1.4	O
MFT35mm70mm	O
2.81.4180TTArtisanTTArtisan	O
50mm	O
1.2	O
MFT50mm100mm	O
2.41.2336Very	O
bright	O
maximum	O
apertureTTArtisanTTArtisan	O
23mm	O
1.4	O
MFT23mm46mm	O
2.81.4	O
~	O
222	O
Kowa	O
Kowa	O
Prominar	O
8.5mm	O
2.8	O
MFT	O
8.5mm	O
17mm	O
5.6	O
2.8	O
440	O
Super-wide	O
angle	O
Kowa	O
Kowa	O
Prominar	O
12mm	O
1.8	O
MFT	O
12mm	O
24mm	O
3.6	O
1.8	O
475	O
Kowa	O
Kowa	O
Prominar	O
25mm	O
1.8	O
MFT	O
25mm	O
50mm	O
3.6	O
1.8	O
400	O
Samyang	O
Samyang	O
10mm	O
2.8	O
ED	O
AS	O
NCS	O
CS	O
10mm	O
20mm	O
5.6	O
2.8	O
Also	O
sold	O
under	O
Rokinon	O
brand	O
name	O
.	O
</s>
<s>
Panasonic	B-Device
Lumix	I-Device
G	O
12.5mm	O
3D	O
lens	O
12	O
(	O
35mm	O
EFL	O
and	O
aperture	O
=	O
65mm24	O
)	O
when	O
using	O
16:9	O
format	O
on	O
Panasonic	B-Device
Lumix	I-Device
DMC-GH2	I-Device
.	O
</s>
<s>
This	O
lens	O
is	O
only	O
compatible	O
with	O
newer	O
Panasonic	O
bodies	O
and	O
the	O
Olympus	O
OMD	O
E-M5	B-Algorithm
.	O
</s>
<s>
Not	O
compatible	O
with	O
Panasonic	B-Device
Lumix	I-Device
DMC	O
G-1	O
,	O
GF-1	O
and	O
GH-1	O
.	O
</s>
<s>
On	O
July	O
27	O
,	O
2010	O
,	O
Panasonic	O
announced	O
the	O
development	O
of	O
a	O
three-dimensional	O
optic	O
solution	O
for	O
the	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
system	I-Operating_System
.	O
</s>
