<s>
Canon	O
’s	O
F	O
series	O
is	O
Canon	O
’s	O
series	O
of	O
manual	O
focus	O
35	O
mm	O
single	B-Algorithm
lens	I-Algorithm
reflex	I-Algorithm
cameras	I-Algorithm
.	O
</s>
<s>
The	O
first	O
professional	O
camera	O
,	O
the	O
F-1	B-Algorithm
,	O
was	O
introduced	O
in	O
March	O
1971	O
while	O
the	O
final	O
camera	O
,	O
the	O
New	B-Algorithm
F-1	I-Algorithm
High	I-Algorithm
Speed	I-Algorithm
Motor	I-Algorithm
Drive	I-Algorithm
Camera	I-Algorithm
,	O
was	O
released	O
in	O
February	O
1984	O
.	O
</s>
<s>
All	O
have	O
a	O
Canon	B-Algorithm
FD	I-Algorithm
or	O
FL	B-Algorithm
lens	B-Algorithm
mount	I-Algorithm
compatible	O
with	O
Canon	O
’s	O
extensive	O
range	O
of	O
manual-focus	O
lenses	O
.	O
</s>
