<s>
The	O
Canon	B-Algorithm
FP	I-Algorithm
is	O
a	O
35	O
mm	O
SLR	B-Algorithm
introduced	O
by	O
Canon	O
Inc	O
.	O
of	O
Japan	O
in	O
October	O
1964	O
,	O
using	O
the	O
new	O
Canon	B-Algorithm
FL	I-Algorithm
lens	I-Algorithm
mount	I-Algorithm
.	O
</s>
<s>
The	O
FP	O
and	O
FX	B-Algorithm
were	O
virtually	O
the	O
same	O
camera	O
,	O
but	O
the	O
lower	O
priced	O
FP	O
did	O
not	O
have	O
built	O
in	O
metering	O
.	O
</s>
<s>
Canon	O
sold	O
an	O
external	O
light	O
meter	O
with	O
the	O
same	O
specifications	O
as	O
the	O
built-in	O
meter	O
on	O
the	O
FX	B-Algorithm
.	O
</s>
