<s>
The	O
Mamiya	B-Algorithm
7	I-Algorithm
is	O
a	O
medium-format	O
rangefinder	B-Algorithm
system	O
camera	O
manufactured	O
by	O
Mamiya	O
.	O
</s>
<s>
The	O
Mamiya	B-Algorithm
7	I-Algorithm
has	O
a	O
coupled	O
viewfinder	O
window	O
which	O
displays	O
frame	O
lines	O
appropriate	O
to	O
the	O
lens	O
mounted	O
,	O
but	O
only	O
for	O
the	O
65	O
mm	O
,	O
80	O
mm	O
,	O
and	O
150	O
mm	O
lenses	O
.	O
</s>
<s>
Does	O
not	O
couple	O
to	O
the	O
camera	O
's	O
rangefinder	B-Algorithm
.	O
</s>
