<s>
Bridge	B-Device
cameras	I-Device
are	O
cameras	O
that	O
fill	O
the	O
niche	O
between	O
relatively	O
simple	O
point-and-shoot	B-Algorithm
cameras	I-Algorithm
and	O
interchangeable-lens	B-Algorithm
cameras	I-Algorithm
such	O
as	O
mirrorless	B-Device
cameras	I-Device
and	O
single-lens	B-Algorithm
reflex	I-Algorithm
cameras	I-Algorithm
(	O
SLRs	B-Algorithm
)	O
.	O
</s>
<s>
They	O
are	O
often	O
comparable	O
in	O
size	O
and	O
weight	O
to	O
the	O
smallest	O
digital	B-Device
SLRs	I-Device
(	O
DSLR	B-Device
)	O
,	O
but	O
lack	O
interchangeable	B-Algorithm
lenses	I-Algorithm
,	O
and	O
almost	O
all	O
digital	B-Device
bridge	B-Device
cameras	I-Device
lack	O
an	O
optical	O
viewfinder	O
system	O
.	O
</s>
<s>
The	O
phrase	O
"	O
bridge	B-Device
camera	I-Device
"	O
has	O
been	O
in	O
use	O
at	O
least	O
since	O
the	O
1980s	O
,	O
and	O
continues	O
to	O
be	O
used	O
with	O
digital	B-Device
cameras	I-Device
.	O
</s>
<s>
The	O
term	O
was	O
originally	O
used	O
to	O
refer	O
to	O
film	O
cameras	O
which	O
"	O
bridged	O
the	O
gap	O
"	O
between	O
point-and-shoot	B-Algorithm
cameras	I-Algorithm
and	O
SLRs	B-Algorithm
.	O
</s>
<s>
Like	O
other	O
cameras	O
,	O
most	O
current	O
bridge	B-Device
cameras	I-Device
are	O
digital	B-Device
.	O
</s>
<s>
These	O
cameras	O
typically	O
feature	O
full	O
manual	O
controls	O
over	O
shutter	O
speed	O
,	O
aperture	B-General_Concept
,	O
ISO	O
sensitivity	O
,	O
color	B-Algorithm
balance	I-Algorithm
and	O
metering	O
.	O
</s>
<s>
Generally	O
,	O
their	O
feature	O
sets	O
are	O
similar	O
to	O
consumer	O
DSLRs	B-Device
,	O
except	O
for	O
a	O
smaller	O
range	O
of	O
ISO	O
sensitivity	O
because	O
of	O
their	O
typically	O
smaller	O
image	B-Algorithm
sensor	I-Algorithm
.	O
</s>
<s>
Many	O
bridge	B-Device
cameras	I-Device
have	O
long	O
zoom	O
lenses	O
which	O
now	O
often	O
start	O
at	O
a	O
super	O
wide-angle	O
focal	O
length	O
of	O
20	O
or	O
22mm	O
equivalent	O
focal	O
length	O
(	O
in	O
35mm	O
film	O
camera	O
terms	O
)	O
,	O
so	O
the	O
term	O
"	O
bridge	B-Device
camera	I-Device
"	O
is	O
sometimes	O
used	O
interchangeably	O
with	O
"	O
megazoom	O
"	O
,	O
"	O
superzoom	O
"	O
,	O
or	O
"	O
ultrazoom.	O
"	O
</s>
<s>
However	O
,	O
some	O
bridge	B-Device
cameras	I-Device
have	O
only	O
moderate	O
or	O
short	O
zooms	O
(	O
such	O
as	O
the	O
Canon	B-Device
Powershot	I-Device
G9	I-Device
)	O
,	O
while	O
many	O
compact	B-Algorithm
cameras	I-Algorithm
have	O
superzoom	O
lenses	O
but	O
lack	O
the	O
advanced	O
functions	O
of	O
a	O
bridge	B-Device
camera	I-Device
.	O
</s>
<s>
Bridge	B-Device
cameras	I-Device
typically	O
have	O
small	O
image	B-Algorithm
sensors	I-Algorithm
,	O
allowing	O
their	O
lenses	O
also	O
to	O
be	O
smaller	O
than	O
a	O
35mm	O
or	O
APS-C	B-Algorithm
SLR	B-Algorithm
lens	O
covering	O
the	O
same	O
zoom	O
range	O
.	O
</s>
<s>
The	O
typical	O
bridge	B-Device
camera	I-Device
has	O
a	O
telephoto	O
zoom	O
limit	O
of	O
over	O
400mm	O
(	O
35mm	O
equivalent	O
)	O
,	O
although	O
some	O
21st-century	O
cameras	O
reach	O
up	O
to	O
2000mm	O
.	O
</s>
<s>
For	O
this	O
reason	O
,	O
bridge	B-Device
cameras	I-Device
typically	O
fall	O
into	O
the	O
category	O
of	O
superzoom	O
cameras	O
.	O
</s>
<s>
The	O
24×	O
Zoom	O
Nikkor	O
ED	O
4.6-110.4mm	O
f2.8-5.0	O
on	O
the	O
Nikon	B-Algorithm
Coolpix	I-Algorithm
P90	I-Algorithm
,	O
which	O
in	O
35	O
mm	O
equivalent	O
focal	O
length	O
terms	O
is	O
a	O
26-624mm	O
.	O
</s>
<s>
Bridge	B-Device
cameras	I-Device
employ	O
two	O
types	O
of	O
electronic	O
screens	O
as	O
viewfinders	O
:	O
The	O
LCD	B-Device
and	O
the	O
electronic	B-Algorithm
viewfinder	I-Algorithm
(	O
EVF	O
)	O
.	O
</s>
<s>
All	O
bridge	B-Device
cameras	I-Device
have	O
an	O
LCD	B-Device
with	O
live-preview	B-Device
and	O
usually	O
in	O
addition	O
either	O
an	O
EVF	O
or	O
an	O
optical	O
viewfinder	O
(	O
OVF	O
)	O
(	O
non-parallax-free	O
,	O
as	O
opposed	O
to	O
the	O
OVF	O
of	O
DSLRs	B-Device
,	O
which	O
is	O
parallax-free	O
)	O
.	O
</s>
<s>
A	O
high-quality	O
EVF	O
is	O
one	O
of	O
the	O
advanced	O
features	O
that	O
distinguish	O
bridge	B-Device
cameras	I-Device
from	O
consumer	O
compact	B-Algorithm
cameras	I-Algorithm
.	O
</s>
<s>
All	O
DSLRs	B-Device
,	O
by	O
definition	O
,	O
have	O
a	O
through-the-lens	O
OVF	O
.	O
</s>
<s>
Newer	O
DSLR	B-Device
models	O
typically	O
also	O
allow	O
'	O
live	B-Device
view	I-Device
 '	O
on	O
the	O
LCD	B-Device
screen	I-Device
as	O
an	O
alternative	O
to	O
the	O
OVF	O
,	O
although	O
frequently	O
without	O
autofocus	O
or	O
with	O
very	O
slow	O
autofocus	O
.	O
</s>
<s>
Mirrorless	B-Device
cameras	I-Device
and	O
dSLRs	B-Device
use	O
LCD	B-Device
or	O
electronic	B-Algorithm
viewfinders	I-Algorithm
.	O
</s>
<s>
Just	O
as	O
in	O
compact	B-Algorithm
cameras	I-Algorithm
,	O
there	O
is	O
a	O
trend	O
towards	O
larger	O
sensors	O
in	O
bridge	B-Device
cameras	I-Device
,	O
as	O
well	O
.	O
</s>
<s>
Sony	O
started	O
the	O
category	O
of	O
1	O
inch	O
sensor	O
equipped	O
bridge	B-Device
cameras	I-Device
in	O
2012	O
with	O
the	O
Sony	O
Cyber-shot	O
DSC-RX100	O
,	O
followed	O
in	O
late	O
2013	O
with	O
the	O
release	O
of	O
the	O
Sony	B-Algorithm
RX10	I-Algorithm
.	O
</s>
<s>
In	O
2014	O
,	O
Panasonic	O
followed	O
this	O
with	O
the	O
FZ1000	B-Algorithm
,	O
which	O
has	O
a	O
larger	O
zoom	O
range	O
,	O
up	O
to	O
400mm	O
equivalent	O
(	O
Sony	O
's	O
RX10	B-Algorithm
goes	O
to	O
200mm	O
equivalent	O
)	O
.	O
</s>
<s>
In	O
contrast	O
with	O
the	O
RX10	B-Algorithm
's	O
constant	O
f/2.8	O
widest	O
aperture	B-General_Concept
Zeiss	O
lens	O
,	O
the	O
Panasonic	B-Algorithm
FZ1000	I-Algorithm
has	O
a	O
variable	O
f/2.8	O
to	O
f/4	O
Leica	O
creation	O
.	O
</s>
<s>
In	O
terms	O
of	O
image	O
quality	O
,	O
these	O
cameras	O
are	O
comparable	O
to	O
Canon	O
's	O
DSLRs	B-Device
and	O
similarly	O
priced	O
.	O
</s>
<s>
In	O
late	O
2012	O
,	O
Techradar	O
wrote	O
that	O
while	O
the	O
general	O
compact	B-Algorithm
camera	I-Algorithm
market	O
was	O
on	O
a	O
downturn	O
,	O
the	O
DSLR-like	O
bridge	B-Device
camera	I-Device
market	O
was	O
continuing	O
well	O
.	O
</s>
<s>
In	O
2014	O
,	O
CNET	O
mentioned	O
that	O
for	O
the	O
last	O
couple	O
of	O
years	O
,	O
Fujifilm	O
focused	O
on	O
producing	O
rugged	O
compact	B-Algorithm
cameras	I-Algorithm
and	O
bridge	B-Device
cameras	I-Device
as	O
those	O
segments	O
continue	O
to	O
show	O
strong	O
sales	O
.	O
</s>
