<s>
Canon	O
's	O
T	O
series	O
is	O
Canon	O
's	O
final	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
camera	O
,	O
the	O
T50	B-Algorithm
,	O
was	O
introduced	O
in	O
March	O
1983	O
while	O
the	O
final	O
camera	O
,	O
the	O
T60	B-Algorithm
,	O
was	O
released	O
in	O
April	O
1990	O
.	O
</s>
<s>
All	O
have	O
a	O
Canon	B-Algorithm
FD	I-Algorithm
lens	I-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>
<s>
The	O
T	O
series	O
attempted	O
to	O
update	O
the	O
SLR	B-Algorithm
concept	O
.	O
</s>
<s>
In	O
the	O
early	O
1980s	O
,	O
the	O
SLR	B-Algorithm
market	O
share	O
was	O
declining	O
with	O
the	O
increased	O
popularity	O
of	O
highly	O
automated	O
35mm	O
compact	B-Algorithm
cameras	I-Algorithm
;	O
the	O
T	O
series	O
introduced	O
much	O
more	O
automation	O
to	O
the	O
SLR	B-Algorithm
camera	I-Algorithm
,	O
making	O
it	O
almost	O
as	O
easy	O
to	O
use	O
as	O
a	O
point	B-Algorithm
and	I-Algorithm
shoot	I-Algorithm
camera	I-Algorithm
.	O
</s>
<s>
The	O
final	O
model	O
,	O
the	O
Canon	B-Algorithm
T60	I-Algorithm
,	O
was	O
the	O
odd	O
one	O
out	O
;	O
it	O
was	O
introduced	O
after	O
the	O
FD	O
manual	O
lens	B-Algorithm
mount	I-Algorithm
was	O
already	O
obsolete	O
,	O
and	O
while	O
it	O
carried	O
over	O
a	O
few	O
T-series	O
styling	O
cues	O
,	O
it	O
was	O
a	O
manual	O
camera	O
supporting	O
only	O
aperture	O
priority	O
auto-exposure	O
.	O
</s>
<s>
In	O
addition	O
,	O
it	O
was	O
not	O
even	O
made	O
by	O
Canon	O
themselves	O
;	O
they	O
subcontracted	O
the	O
manufacture	O
to	O
Cosina	O
,	O
and	O
the	O
chassis	O
itself	O
was	O
based	O
upon	O
that	O
of	O
the	O
Cosina	B-Algorithm
CT-1	I-Algorithm
.	O
</s>
