<s>
The	O
Mamiya	B-Algorithm
6	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
6	I-Algorithm
MF	O
was	O
introduced	O
in	O
1993	O
.	O
</s>
