<s>
The	O
FED	B-Algorithm
2	I-Algorithm
was	O
a	O
35	O
mm	O
rangefinder	B-Algorithm
camera	I-Algorithm
introduced	O
in	O
1955	O
by	O
FED	O
.	O
</s>
<s>
The	O
FED	B-Algorithm
2	I-Algorithm
is	O
a	O
new	O
design	O
that	O
is	O
quite	O
different	O
from	O
the	O
FED	O
1	O
.	O
</s>
<s>
It	O
has	O
a	O
longer	O
rangefinder	B-Algorithm
base	O
(	O
67mm	O
)	O
,	O
a	O
combined	O
viewfinder	O
and	O
rangefinder	B-Algorithm
window	O
,	O
adjustable	O
diopter	O
for	O
the	O
viewing	O
window	O
,	O
a	O
self	O
timer	O
,	O
and	O
a	O
detachable	O
back	O
for	O
film	O
loading	O
.	O
</s>
<s>
FED	O
2L	O
is	O
the	O
only	O
factory-designated	O
model	O
number	O
;	O
all	O
other	O
models	O
are	O
stamped	O
FED	B-Algorithm
2	I-Algorithm
by	O
the	O
factory	O
.	O
</s>
<s>
The	O
FED	B-Algorithm
2	I-Algorithm
has	O
a	O
manual	O
frame	O
counter	O
located	O
below	O
the	O
wind-on	O
knob	O
,	O
which	O
must	O
be	O
reset	O
by	O
hand	O
when	O
loading	O
film	O
.	O
</s>
<s>
The	O
Fed	B-Algorithm
2	I-Algorithm
has	O
a	O
curtain	O
shutter	O
with	O
speeds	O
from	O
B	O
,	O
1/25-1/500s	O
.	O
</s>
<s>
The	O
FED	O
takes	O
39	B-Algorithm
mm	I-Algorithm
screw	I-Algorithm
lenses	I-Algorithm
.	O
</s>
<s>
The	O
rangefinder	B-Algorithm
is	O
coupled	O
to	O
the	O
lens	O
.	O
</s>
