<s>
The	O
Konica	B-Algorithm
FT-1	I-Algorithm
was	O
the	O
last	O
SLR	B-Algorithm
to	O
be	O
built	O
both	O
under	O
the	O
Konica	O
name	O
and	O
by	O
Konica	O
themselves	O
.	O
</s>
<s>
As	O
in	O
the	O
Konica	B-Algorithm
F	I-Algorithm
,	O
the	O
first	O
Single-lens	B-Algorithm
reflex	I-Algorithm
camera	I-Algorithm
by	O
Konica	O
in	O
1960	O
,	O
the	O
FT-1	O
has	O
a	O
vertical	O
metal	O
focal	O
plane	O
shutter	O
,	O
even	O
if	O
it	O
does	O
not	O
reach	O
1/2000	O
s	O
,	O
the	O
shortest	O
speed	O
of	O
the	O
F	O
.	O
</s>
<s>
Lenses	O
are	O
fixed	O
with	O
the	O
Konica	B-Algorithm
AR-mount	I-Algorithm
.	O
</s>
