<s>
The	O
Argus	B-Algorithm
C3	I-Algorithm
was	O
a	O
low-priced	O
rangefinder	B-Algorithm
camera	I-Algorithm
mass-produced	O
from	O
1939	O
to	O
1966	O
by	O
Argus	O
in	O
Ann	O
Arbor	O
,	O
Michigan	B-Device
,	O
United	O
States	O
.	O
</s>
<s>
The	O
original	O
Argus	O
C	O
was	O
equipped	O
with	O
an	O
uncoupled	O
rangefinder	B-Algorithm
which	O
required	O
the	O
user	O
to	O
manually	O
rotate	O
the	O
lens	O
barrel	O
to	O
match	O
the	O
rangefinder	B-Algorithm
reading	O
,	O
while	O
the	O
C2	O
coupled	O
the	O
rangefinder	B-Algorithm
to	O
the	O
lens	O
to	O
allow	O
one-step	O
focusing	O
.	O
</s>
<s>
The	O
C3	O
's	O
enduring	O
popularity	O
allowed	O
it	O
to	O
outlast	O
nearly	O
all	O
of	O
its	O
American	O
competitors	O
,	O
including	O
the	O
Kodak	B-Algorithm
35	I-Algorithm
Rangefinder	I-Algorithm
,	O
but	O
it	O
was	O
not	O
able	O
to	O
compete	O
with	O
the	O
flood	O
of	O
inexpensive	O
Japanese	O
single	B-Algorithm
lens	I-Algorithm
reflex	I-Algorithm
cameras	I-Algorithm
entering	O
the	O
market	O
in	O
the	O
1960s	O
and	O
was	O
finally	O
discontinued	O
in	O
1966	O
.	O
</s>
<s>
The	O
rangefinder	B-Algorithm
was	O
separate	O
from	O
the	O
viewfinder	O
and	O
was	O
coupled	O
to	O
the	O
lens	O
through	O
a	O
series	O
of	O
gears	O
located	O
on	O
the	O
outside	O
of	O
the	O
camera	O
body	O
.	O
</s>
<s>
The	O
series	O
began	O
in	O
1938	O
with	O
the	O
Argus	O
C	O
,	O
equipped	O
with	O
a	O
rangefinder	B-Algorithm
which	O
was	O
not	O
coupled	O
to	O
the	O
lens	O
.	O
</s>
<s>
Focusing	O
a	O
C	O
is	O
a	O
two	O
step	O
process	O
,	O
first	O
finding	O
the	O
distance	O
using	O
the	O
built-in	O
rangefinder	B-Algorithm
,	O
then	O
focusing	O
the	O
lens	O
by	O
rotating	O
it	O
until	O
a	O
scale	O
on	O
the	O
side	O
matches	O
the	O
distance	O
given	O
by	O
the	O
rangefinder	B-Algorithm
.	O
</s>
<s>
The	O
C	O
was	O
replaced	O
within	O
just	O
a	O
few	O
months	O
by	O
the	O
C2	O
,	O
with	O
a	O
geared	O
coupling	O
between	O
the	O
rangefinder	B-Algorithm
and	O
the	O
lens	O
,	O
greatly	O
accelerating	O
focusing	O
and	O
making	O
the	O
camera	O
much	O
more	O
convenient	O
to	O
use	O
.	O
</s>
<s>
The	O
first	O
two	O
,	O
produced	O
from	O
1958	O
to	O
1966	O
,	O
were	O
sold	O
with	O
a	O
selenium	B-Library
light	O
meter	O
attachment	O
but	O
were	O
otherwise	O
essentially	O
identical	O
to	O
the	O
Standard	O
C3	O
.	O
</s>
<s>
It	O
offered	O
numerous	O
improvements	O
over	O
the	O
older	O
model	O
including	O
an	O
integrated	O
rangefinder	B-Algorithm
and	O
coupled	O
light	O
meter	O
.	O
</s>
<s>
World	O
War	O
II	O
soldier	O
and	O
photojournalist	O
Tony	O
Vaccaro	O
took	O
most	O
of	O
his	O
images	O
with	O
an	O
Argus	B-Algorithm
C3	I-Algorithm
,	O
even	O
developing	O
the	O
images	O
in	O
soldiers	O
 '	O
helmets	O
.	O
</s>
<s>
Helen	O
K	O
.	O
Garber	O
's	O
father	O
,	O
Alex	O
Kolikow	O
,	O
taught	O
her	O
how	O
to	O
shoot	O
with	O
his	O
Argus	B-Algorithm
C3	I-Algorithm
.	O
</s>
<s>
It	O
appears	O
as	O
craftable	O
weapon	O
in	O
the	O
online	O
action	O
role-playing	O
game	O
Fallout	B-Application
76	I-Application
under	O
the	O
name	O
“	O
ProSnap	O
Deluxe	O
camera	O
”	O
.	O
</s>
