<s>
The	O
Rolleiflex	B-Algorithm
SL35	I-Algorithm
is	O
a	O
range	O
of	O
SLR	B-Algorithm
cameras	I-Algorithm
from	O
the	O
German	O
camera	O
maker	O
,	O
Rollei	O
.	O
</s>
<s>
Rolleiflex	B-Algorithm
SL35	I-Algorithm
uses	O
QBM	O
(	O
Quick	O
Bayonet	O
Mount	O
)	O
mount	O
,	O
with	O
a	O
focal	O
flange	O
distance	O
of	O
44.5	O
mm	O
.	O
</s>
<s>
The	O
Rolleiflex	B-Algorithm
SL35	I-Algorithm
was	O
a	O
line	O
of	O
35mm	O
SLR	B-Algorithm
cameras	I-Algorithm
,	O
that	O
were	O
developed	O
and	O
built	O
by	O
Rollei	O
from	O
the	O
1970s	O
until	O
the	O
1990s	O
.	O
</s>
<s>
The	O
first	O
camera	O
in	O
the	O
range	O
was	O
the	O
SL35	O
,	O
released	O
in	O
1970	O
as	O
the	O
first	O
35mm	O
SLR	B-Algorithm
produced	O
by	O
Rollei	O
.	O
</s>
<s>
The	O
Rolleiflex	B-Algorithm
SL35	I-Algorithm
was	O
the	O
second	O
Rollei	O
SLR	B-Algorithm
camera	I-Algorithm
to	O
be	O
equipped	O
with	O
Carl	O
Zeiss	O
lenses	O
,	O
after	O
the	O
SL66	B-Algorithm
of	O
1966	O
.	O
</s>
<s>
After	O
the	O
Zeiss	O
Ikon	O
camera	O
company	O
declared	O
bankruptcy	O
in	O
the	O
early	O
1970s	O
,	O
Rollei	O
acquired	O
the	O
Voigtländer	O
brand	O
in	O
1972	O
along	O
with	O
several	O
camera	O
designs	O
,	O
including	O
the	O
SL706	O
,	O
an	O
M42	B-Algorithm
lens	I-Algorithm
mount	I-Algorithm
camera	O
that	O
was	O
derived	O
from	O
the	O
earlier	O
Icarex	O
35S	O
and	O
was	O
intended	O
to	O
unify	O
the	O
diverse	O
SLR	B-Algorithm
lines	O
offered	O
by	O
Zeiss	O
Ikon	O
.	O
</s>
<s>
Two	O
years	O
later	O
,	O
in	O
1974	O
,	O
Rollei	O
produced	O
the	O
Rolleiflex	B-Algorithm
SL350	O
.	O
</s>
<s>
Compared	O
to	O
the	O
original	O
SL35	O
,	O
the	O
Rolleiflex	B-Algorithm
SL350	O
had	O
open-aperture	O
metering	O
;	O
the	O
earlier	O
Rolleiflex	B-Algorithm
SL35	I-Algorithm
was	O
built	O
with	O
a	O
stop	O
down	O
light	O
meter	O
,	O
which	O
required	O
the	O
photographer	O
to	O
take	O
an	O
extra	O
step	O
and	O
close	O
the	O
aperture	O
to	O
take	O
an	O
appropriate	O
meter	O
reading	O
.	O
</s>
<s>
A	O
rebadged	O
version	O
was	O
sold	O
as	O
the	O
Voigtländer	O
VSL	O
1	O
,	O
which	O
was	O
offered	O
with	O
both	O
M42	O
and	O
QBM	O
lens	B-Algorithm
mounts	I-Algorithm
.	O
</s>
<s>
A	O
nearly-identical	O
body	O
,	O
sharing	O
most	O
components	O
from	O
the	O
same	O
production	O
lines	O
,	O
was	O
sold	O
by	O
Voigtländer	O
as	O
the	O
VSL	O
3E	O
;	O
they	O
shared	O
the	O
same	O
QBM	O
lens	B-Algorithm
mount	I-Algorithm
,	O
so	O
lenses	O
and	O
bodies	O
from	O
both	O
ranges	O
could	O
be	O
used	O
interchangeably	O
.	O
</s>
<s>
The	O
SL35	O
line	O
was	O
discontinued	O
in	O
the	O
early	O
1980s	O
,	O
but	O
the	O
QBM	O
lens	B-Algorithm
mount	I-Algorithm
continued	O
with	O
the	O
,	O
a	O
camera	O
system	O
that	O
accepted	O
interchangeable	O
film	O
magazines	O
and	O
was	O
equipped	O
with	O
dual	O
viewfinders	O
(	O
waist-level	O
and	O
eye-level	O
)	O
,	O
similar	O
in	O
concept	O
to	O
professional	O
system	O
SLRs	B-Algorithm
like	O
the	O
Rollei	O
SL66	B-Algorithm
and	O
Hasselblad	O
,	O
scaled	O
down	O
for	O
135	O
film	O
.	O
</s>
<s>
A	O
whole	O
range	O
of	O
lenses	O
were	O
made	O
for	O
the	O
QBM	O
interchangeable	B-Algorithm
lens	I-Algorithm
mount	O
system	O
fitted	O
to	O
the	O
Rolleiflex	B-Algorithm
SL35	I-Algorithm
and	O
Voigtländer	O
VSL	O
series	O
cameras	O
.	O
</s>
