<s>
A	O
stereo	B-Algorithm
camera	I-Algorithm
is	O
a	O
type	O
of	O
camera	O
with	O
two	O
or	O
more	O
lenses	O
with	O
a	O
separate	O
image	B-Algorithm
sensor	I-Algorithm
or	O
film	O
frame	O
for	O
each	O
lens	O
.	O
</s>
<s>
This	O
allows	O
the	O
camera	O
to	O
simulate	O
human	O
binocular	B-Algorithm
vision	I-Algorithm
,	O
and	O
therefore	O
gives	O
it	O
the	O
ability	O
to	O
capture	O
three-dimensional	O
images	O
,	O
a	O
process	O
known	O
as	O
stereo	B-Algorithm
photography	I-Algorithm
.	O
</s>
<s>
Stereo	B-Algorithm
cameras	I-Algorithm
may	O
be	O
used	O
for	O
making	O
stereoviews	B-Algorithm
and	O
3D	O
pictures	O
for	O
movies	O
,	O
or	O
for	O
range	O
imaging	O
.	O
</s>
<s>
The	O
distance	O
between	O
the	O
lenses	O
in	O
a	O
typical	O
stereo	B-Algorithm
camera	I-Algorithm
(	O
the	O
intra-axial	O
distance	O
)	O
is	O
about	O
the	O
distance	O
between	O
one	O
's	O
eyes	O
(	O
known	O
as	O
the	O
intra-ocular	O
distance	O
)	O
and	O
is	O
about	O
6.35cm	O
,	O
though	O
a	O
longer	O
base	O
line	O
(	O
greater	O
inter-camera	O
distance	O
)	O
produces	O
more	O
extreme	O
3-dimensionality	O
.	O
</s>
<s>
In	O
the	O
1950s	O
,	O
stereo	B-Algorithm
cameras	I-Algorithm
gained	O
some	O
popularity	O
with	O
the	O
Stereo	B-Algorithm
Realist	I-Algorithm
and	O
similar	O
cameras	O
that	O
employed	O
135	O
film	O
to	O
make	O
stereo	O
slides	O
.	O
</s>
<s>
3D	O
pictures	O
following	O
the	O
theory	O
behind	O
stereo	B-Algorithm
cameras	I-Algorithm
can	O
also	O
be	O
made	O
more	O
inexpensively	O
by	O
taking	O
two	O
pictures	O
with	O
the	O
same	O
camera	O
,	O
but	O
moving	O
the	O
camera	O
a	O
few	O
inches	O
either	O
left	O
or	O
right	O
.	O
</s>
<s>
Stereo	B-Algorithm
cameras	I-Algorithm
are	O
sometimes	O
mounted	O
in	O
cars	O
to	O
detect	O
the	O
lane	O
's	O
width	O
and	O
the	O
proximity	O
of	O
an	O
object	O
on	O
the	O
road	O
.	O
</s>
<s>
Not	O
all	O
two-lens	O
cameras	O
are	O
used	O
for	O
taking	O
stereoscopic	B-Algorithm
photos	O
.	O
</s>
<s>
A	O
twin-lens	B-Algorithm
reflex	I-Algorithm
camera	I-Algorithm
uses	O
one	O
lens	O
to	O
image	O
to	O
a	O
focusing/composition	O
screen	O
and	O
the	O
other	O
to	O
capture	O
the	O
image	O
on	O
film	O
.	O
</s>
<s>
Examples	O
include	O
would	O
be	O
a	O
vintage	O
Rolleiflex	B-Algorithm
or	O
a	O
modern	O
twin	O
lens	O
like	O
a	O
Mamiya	B-Algorithm
C330	I-Algorithm
.	O
</s>
<s>
Kodak	B-Algorithm
Stereo	I-Algorithm
Camera	I-Algorithm
–	O
Kodak	O
's	O
own	O
offering	O
in	O
the	O
field	O
of	O
Realist	O
format	O
cameras	O
which	O
actually	O
outsold	O
the	O
Realist	O
during	O
the	O
five	O
years	O
it	O
was	O
available	O
and	O
might	O
have	O
eclipsed	O
it	O
in	O
all	O
time	O
sales	O
had	O
it	O
been	O
introduced	O
prior	O
to	O
the	O
end	O
of	O
1954	O
.	O
</s>
<s>
Nimslo	B-Algorithm
3D	I-Algorithm
–	O
The	O
first	O
compact	O
consumer	O
level	O
lenticular	O
camera	O
,	O
designed	O
to	O
take	O
3D	O
prints	O
that	O
are	O
viewable	O
without	O
glasses	O
or	O
special	O
technique	O
.	O
</s>
<s>
RBT	O
–	O
In	O
the	O
modern	O
3D	O
world	O
,	O
a	O
several	O
thousand	O
dollar	O
RBT	O
camera	O
was	O
made	O
in	O
Germany	O
by	O
rebuilding	O
two	O
35mm	O
high	O
end	O
cameras	O
into	O
an	O
integrated	O
and	O
unitized	O
stereo	B-Algorithm
camera	I-Algorithm
.	O
</s>
<s>
Stereo	B-Algorithm
Realist	I-Algorithm
–	O
The	O
original	O
"	O
Realist	O
Format	O
"	O
camera	O
,	O
first	O
sold	O
in	O
1947	O
,	O
which	O
inspired	O
many	O
imitators	O
who	O
introduced	O
cameras	O
capable	O
of	O
producing	O
the	O
5P	O
stereo	O
slides	O
which	O
remain	O
fairly	O
popular	O
to	O
this	O
day	O
.	O
</s>
<s>
Stereocrafters	O
-	O
Videon	O
–	O
The	O
Videon	O
is	O
a	O
35mm	O
stereo	B-Algorithm
camera	I-Algorithm
comprising	O
a	O
bakelite-type	O
plastic	O
body	O
with	O
metal	O
top	O
and	O
bottom	O
plates	O
,	O
produced	O
by	O
Stereocrafters	O
of	O
Wisconsin	O
,	O
USA	O
,	O
in	O
the	O
1950s	O
.	O
</s>
<s>
View-Master	B-Algorithm
Personal	I-Algorithm
Stereo	I-Algorithm
Camera	I-Algorithm
–	O
Introduced	O
in	O
1952	O
,	O
this	O
camera	O
allowed	O
individuals	O
to	O
make	O
their	O
own	O
personal	O
View-Master	O
reels	O
,	O
either	O
by	O
using	O
the	O
commercial	O
processing	O
services	O
available	O
at	O
the	O
time	O
or	O
by	O
using	O
the	O
custom	O
cutter	O
and	O
blank	O
reel	O
mounts	O
.	O
</s>
<s>
Fujifilm	B-Algorithm
FinePix	I-Algorithm
Real	I-Algorithm
3D	I-Algorithm
W1	I-Algorithm
,	O
a	O
digital	O
stereo	B-Algorithm
camera	I-Algorithm
.	O
</s>
<s>
In	O
2009	O
,	O
3D	O
technologies	O
experienced	O
a	O
resurgence	O
,	O
including	O
stereo	B-Algorithm
cameras	I-Algorithm
,	O
with	O
continuing	O
developments	O
in	O
plenoptic	O
camera	O
technologies	O
,	O
as	O
well	O
as	O
the	O
emergence	O
of	O
stereo	O
digital	O
camera	O
products	O
such	O
as	O
the	O
Fujifilm	B-Algorithm
FinePix	I-Algorithm
Real	I-Algorithm
3D	I-Algorithm
series	I-Algorithm
and	O
the	O
Minoru	B-Algorithm
3D	I-Algorithm
Webcam	I-Algorithm
.	O
</s>
<s>
Since	O
2014	O
,	O
computer	O
vision	O
developments	O
and	O
increasing	O
embedded	O
GPU	B-Architecture
computing	O
power	O
have	O
opened	O
up	O
new	O
applications	O
for	O
stereo	B-Algorithm
cameras	I-Algorithm
.	O
</s>
<s>
These	O
can	O
be	O
used	O
to	O
calculate	O
a	O
depth	O
map	O
through	O
advanced	O
image	B-Algorithm
processing	I-Algorithm
techniques	O
.	O
</s>
<s>
In	O
April	O
2015	O
,	O
Intel	O
has	O
revealed	O
a	O
camera	O
that	O
can	O
fit	O
in	O
a	O
smartphone	B-Application
to	O
serve	O
various	O
depth	O
sensing	O
applications	O
such	O
as	O
changing	O
the	O
focus	O
of	O
a	O
photo	O
after	O
it	O
has	O
been	O
taken	O
,	O
3D	O
scanning	O
and	O
gesture	O
control	O
.	O
</s>
<s>
15mm	O
Ararat	O
Macro	O
Beam	O
Splitter	O
for	O
smartphones	B-Application
.	O
</s>
<s>
15mm	O
Hydrogen	O
One	O
Smartphone	B-Application
.	O
</s>
<s>
25mm	O
LG	B-Application
Optimus	I-Application
3D	I-Application
,	O
LG	B-Application
Optimus	I-Application
3D	I-Application
MAX	O
(	O
smartphones	B-Application
)	O
and	O
the	O
Cyclopital3D	O
close-up	O
macro	O
adapter	O
(	O
for	O
the	O
W1	O
and	O
W3	O
Fujifilm	O
cams	O
)	O
.	O
</s>
<s>
28mm	O
Sharp	O
Aquos	O
SH80F	O
and	O
SHI12	O
(	O
smartphones	B-Application
)	O
and	O
the	O
Toshiba	O
Camileo	O
z100	O
camcorder	O
.	O
</s>
<s>
30mm	O
Panasonic	O
3D1	O
camera	O
,	O
Camex	O
3D	O
cam	O
and	O
LG	O
IC330	O
(	O
LG	O
Cinema	O
3D	B-Algorithm
camcorder	I-Algorithm
)	O
.	O
</s>
<s>
32mm	O
HTC	B-Application
Evo	I-Application
3D	I-Application
smartphone	B-Application
.	O
</s>
<s>
40mm	O
Ararat	O
Beam	O
Splitter	O
for	O
smartphones	B-Application
and	O
3D	O
Aiptec	O
camcorders	O
(	O
Aiptek	O
I2	O
-also	O
the	O
Viewsonic	O
clone-	O
,	O
Aiptek	O
I2P	O
,	O
Aiptek	O
IS2	O
and	O
Aiptek	O
IH3	O
3D	O
cams	O
)	O
.	O
</s>
<s>
75mm	O
Fujifilm	B-Algorithm
W3	I-Algorithm
cam	O
.	O
</s>
<s>
77mm	O
Fujifilm	B-Algorithm
W1	I-Algorithm
cam	O
.	O
</s>
<s>
Certain	O
camera	O
models	O
can	O
accept	O
modified	O
programming	O
from	O
an	O
image	O
chip	O
,	O
and	O
the	O
software	O
to	O
trigger	O
a	O
slave	O
camera	O
from	O
a	O
master	O
has	O
been	O
developed	O
as	O
open	B-Application
source	I-Application
software	I-Application
.	O
</s>
<s>
A	O
popular	O
example	O
of	O
this	O
technology	O
is	O
in	O
the	O
Samsung	B-Application
Galaxy	I-Application
S4	I-Application
,	O
which	O
allows	O
photo	O
capture	O
simultaneously	O
.	O
</s>
<s>
In	O
late	O
2012	O
,	O
Samsung	O
announced	O
its	O
NX300	B-Algorithm
camera	O
.	O
</s>
<s>
Using	O
just	O
one	O
(	O
optional	O
)	O
lens	O
,	O
this	O
camera	O
can	O
take	O
2D	O
photos	O
,	O
3D	B-Algorithm
photos	I-Algorithm
,	O
or	O
Full	O
HD	O
movies	O
,	O
simply	O
by	O
changing	O
the	O
mode	O
.	O
</s>
<s>
The	O
NX300	B-Algorithm
has	O
two	O
LCD	O
screens	O
in	O
the	O
optical	O
path	O
which	O
are	O
used	O
to	O
"	O
black	O
out	O
"	O
their	O
respective	O
half	O
of	O
the	O
lens	O
,	O
sending	O
a	O
slightly	O
different	O
image	O
to	O
the	O
sensor	O
.	O
</s>
<s>
Pentax	O
and	O
Kúla	O
3D	O
have	O
made	O
stereoadapters	O
,	O
sometimes	O
called	O
beamsplitters	O
,	O
for	O
stereoscopic	B-Algorithm
photography	I-Algorithm
with	O
DSLR	O
camera	O
lenses	O
.	O
</s>
