<s>
The	O
Panasonic	B-Device
Lumix	I-Device
DMC-G2	I-Device
is	O
a	O
digital	O
mirrorless	B-Device
interchangeable	I-Device
lens	I-Device
camera	I-Device
adhering	O
to	O
the	O
Olympus	O
and	O
Panasonic	O
developed	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
System	I-Operating_System
(	O
MFT	O
)	O
system	O
design	O
standard	O
.	O
</s>
<s>
It	O
was	O
announced	O
in	O
March	O
2010	O
along	O
with	O
a	O
lesser	O
featured	O
Panasonic	B-Device
Lumix	I-Device
DMC-G10	I-Device
.	O
</s>
<s>
Introduced	O
as	O
successor	O
to	O
the	O
Panasonic	B-Device
Lumix	I-Device
DMC-G1	I-Device
,	O
the	O
G2	O
included	O
720p	O
HD	O
video	O
capability	O
using	O
both	O
AVCHD	O
Lite	O
and	O
Motion	B-Application
JPEG	I-Application
recording	O
formats	O
.	O
</s>
<s>
The	O
G2	O
has	O
a	O
resistive	B-Device
touchscreen	I-Device
to	O
control	O
many	O
camera	O
functions	O
including	O
easy	O
selection	O
of	O
a	O
focus	O
point	O
within	O
the	O
live	B-Device
view	I-Device
frame	O
.	O
</s>
<s>
The	O
G2	O
shipped	O
with	O
a	O
new	O
Panasonic	O
14	O
–	O
42mm	O
kit	O
zoom	O
lens	O
,	O
a	O
lighter	O
,	O
and	O
less	O
expensive	O
,	O
version	O
of	O
the	O
original	O
Panasonic	O
14	O
–	O
45mm	O
kit	O
zoom	O
sold	O
that	O
shipped	O
with	O
the	O
Panasonic	B-Device
G1	I-Device
.	O
</s>
<s>
The	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
(	O
MFT	O
)	O
system	O
design	O
standard	O
was	O
jointly	O
announced	O
in	O
2008	O
by	O
Olympus	O
and	O
Panasonic	O
,	O
as	O
a	O
further	O
evolution	O
of	O
the	O
similarly	O
named	O
predecessor	O
Four	B-Architecture
Thirds	I-Architecture
System	I-Architecture
pioneered	O
by	O
Olympus	O
.	O
</s>
<s>
The	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
system	I-Operating_System
standard	O
uses	O
the	O
same	O
sized	O
sensor	O
(	O
nominal	O
4000	O
pixels	O
by	O
3000	O
pixels	O
)	O
as	O
the	O
original	O
Four	B-Architecture
Thirds	I-Architecture
system	I-Architecture
.	O
</s>
<s>
One	O
potential	O
advantage	O
of	O
the	O
smaller	O
MFT	O
system	O
sensor	O
(	O
when	O
compared	O
to	O
market	O
leaders	O
Canon	O
and	O
Nikon	O
APS-C	O
and	O
full	B-Algorithm
frame	I-Algorithm
sized	O
)	O
is	O
potentially	O
smaller	O
and	O
lighter	O
lenses	O
.	O
</s>
<s>
The	O
MFT	O
sensor	O
has	O
a	O
crop	O
factor	O
of	O
2.0	O
when	O
compared	O
to	O
35mm	O
film	O
equivalent	O
full	B-Algorithm
frame	I-Algorithm
sensors	O
.	O
</s>
<s>
While	O
the	O
older	O
Four	B-Architecture
Thirds	I-Architecture
system	I-Architecture
design	O
standard	O
allowed	O
the	O
incorporation	O
of	O
a	O
single	B-Algorithm
lens	I-Algorithm
reflex	I-Algorithm
(	O
SLR	B-Algorithm
)	O
camera	O
design	O
including	O
a	O
mirror	O
box	O
and	O
pentaprism	O
based	O
optical	O
viewfinder	O
system	O
,	O
the	O
MFT	O
system	O
design	O
standard	O
sought	O
to	O
pursue	O
a	O
technically	O
different	O
camera	O
,	O
and	O
specifically	O
slimmed	O
down	O
the	O
key	O
physical	O
specifications	O
which	O
eliminated	O
the	O
ability	O
to	O
include	O
the	O
traditional	O
complex	O
optical	O
path	O
and	O
the	O
bulky	O
mirror	O
box	O
needed	O
for	O
a	O
SLR	B-Algorithm
optical	O
viewfinder	O
.	O
</s>
<s>
Instead	O
,	O
MFT	O
uses	O
either	O
a	O
built-in	O
(	O
Panasonic	O
)	O
or	O
optional	O
(	O
Olympus/Panasonic	O
)	O
compact	O
electronic	B-Algorithm
viewfinder	I-Algorithm
(	O
EVF	B-Algorithm
)	O
and/or	O
LCD	B-Device
back	O
panel	O
displaying	O
a	O
Live	B-Device
view	I-Device
from	O
the	O
main	O
image	O
sensor	O
.	O
</s>
<s>
Use	O
of	O
an	O
EVF/back	O
panel	O
LCD	B-Device
and	O
smaller	O
four	B-Architecture
thirds	I-Architecture
image	B-Algorithm
sensor	I-Algorithm
format	I-Algorithm
and	O
allows	O
for	O
smaller	O
and	O
lighter	O
camera	O
bodies	O
and	O
lenses	O
.	O
</s>
<s>
For	O
example	O
,	O
many	O
theoretically	O
obsolete	O
35mm	O
film	O
camera	O
lenses	O
,	O
as	O
well	O
as	O
existing	O
current	O
lenses	O
for	O
APS-C	O
and	O
full	B-Algorithm
frame	I-Algorithm
DSLR	I-Algorithm
's	O
are	O
now	O
usable	O
on	O
MFT	O
cameras	O
.	O
</s>
<s>
Upon	O
introduction	O
in	O
March	O
2010	O
,	O
the	O
Panasonic	B-Device
Lumix	I-Device
DMC-G2	I-Device
was	O
marketed	O
as	O
the	O
world	O
's	O
first	O
interchangeable	O
lens	O
camera	O
with	O
an	O
articulated	O
,	O
touch	O
control	O
LCD	B-Device
.	O
</s>
<s>
Also	O
added	O
was	O
720p	O
HD	O
video	O
and	O
a	O
redesigned	O
physical	O
user	O
interface	O
,	O
changing	O
placement	O
of	O
dials	O
and	O
button	O
controllers	O
,	O
and	O
an	O
electronic	B-Algorithm
viewfinder	I-Algorithm
.	O
</s>
<s>
Other	O
manufacturers	O
such	O
as	O
Sony	O
with	O
its	O
new	O
NEX	B-Algorithm
family	O
of	O
cameras	O
,	O
and	O
Olympus	O
in	O
its	O
PEN	B-Algorithm
E-P3	I-Algorithm
MFT	O
camera	O
also	O
incorporated	O
use	O
of	O
the	O
touch	O
screen	O
feature	O
for	O
camera	O
controls	O
.	O
</s>
<s>
The	O
G2	O
camera	O
's	O
successor	O
model	O
is	O
the	O
Panasonic	B-Device
Lumix	I-Device
DMC-G3	I-Device
which	O
was	O
announced	O
in	O
May	O
2011	O
.	O
</s>
