<s>
The	O
Canon	B-Algorithm
New	I-Algorithm
F-1	I-Algorithm
replaced	O
the	O
F-1n	B-Algorithm
(	O
an	O
upgraded	O
F-1	B-Algorithm
)	O
as	O
Canon	O
's	O
top-of-the-line	O
35mm	O
single-lens	B-Algorithm
reflex	I-Algorithm
camera	I-Algorithm
in	O
1981	O
.	O
</s>
<s>
Like	O
the	O
earlier	O
models	O
,	O
the	O
New	O
F-1	B-Algorithm
takes	O
FD-mount	B-Algorithm
lenses	O
.	O
</s>
<s>
Although	O
no	O
date	O
has	O
ever	O
been	O
confirmed	O
,	O
it	O
is	O
thought	O
that	O
the	O
last	O
New	O
F-1	B-Algorithm
was	O
still	O
being	O
made	O
in	O
1992	O
.	O
</s>
<s>
The	O
New	O
F-1	B-Algorithm
is	O
a	O
manual-exposure	O
camera	O
capable	O
of	O
TTL	O
full-aperture	O
metering	O
and	O
stopped-down	O
metering	O
with	O
the	O
included	O
Eye-Level	O
Finder	O
FN	O
.	O
</s>
<s>
Aperture-priority	B-Algorithm
AE	O
is	O
available	O
by	O
attaching	O
the	O
optional	O
AE	O
Finder	O
FN	O
.	O
</s>
<s>
Also	O
,	O
shutter-priority	B-Algorithm
mode	O
is	O
optionally	O
available	O
when	O
using	O
either	O
AE	O
Motor	O
Drive	O
FN	O
or	O
AE	O
Power	O
Winder	O
FN	O
.	O
</s>
<s>
The	O
New	O
F-1	B-Algorithm
is	O
an	O
expandable	O
system	O
.	O
</s>
<s>
It	O
consists	O
of	O
interchangeable	O
viewfinders	O
,	O
focusing	O
screens	O
,	O
motor	O
drives	O
,	O
and	O
alternate	O
backs	O
,	O
all	O
of	O
which	O
are	O
specific	O
to	O
the	O
New	O
F-1	B-Algorithm
.	O
</s>
<s>
)	O
,	O
and	O
Canon	B-Algorithm
A	I-Algorithm
and	I-Algorithm
T	I-Algorithm
Speedlights	I-Algorithm
(	O
except	O
the	O
300TL	O
)	O
are	O
also	O
compatible	O
with	O
the	O
system	O
.	O
</s>
<s>
The	O
New	O
F-1	B-Algorithm
system	O
has	O
5	O
different	O
viewfinders	O
,	O
which	O
can	O
be	O
quickly	O
and	O
easily	O
changed	O
by	O
depressing	O
the	O
two	O
buttons	O
on	O
the	O
rear	O
of	O
the	O
finder	O
,	O
pulling	O
it	O
off	O
the	O
camera	O
body	O
,	O
and	O
pushing	O
the	O
new	O
finder	O
into	O
place	O
.	O
</s>
<s>
AE	O
Finder	O
FNThe	O
Eye-Level	O
and	O
AE	O
Finders	O
are	O
the	O
basic	O
eye-level	O
prism	O
finders	O
,	O
similar	O
to	O
most	O
other	O
SLR	B-Algorithm
systems	O
 '	O
prism	O
finders	O
.	O
</s>
<s>
Both	O
include	O
a	O
hot	B-Algorithm
shoe	I-Algorithm
for	O
on-camera	O
flash	O
,	O
or	O
attachments	O
to	O
remotely	O
trigger	O
the	O
shutter	O
.	O
</s>
<s>
Both	O
also	O
include	O
an	O
integral	O
eyepiece	O
shutter	O
,	O
which	O
closes	O
over	O
the	O
eyepiece	O
to	O
prevent	O
light	O
leakage	O
during	O
long	O
exposures.When	O
using	O
the	O
AE	O
finder	O
,	O
setting	O
the	O
shutter	O
speed	O
dial	O
to	O
'	O
A	O
 '	O
engages	O
a	O
small	O
switch	O
on	O
the	O
finder	O
which	O
puts	O
the	O
camera	O
into	O
aperture-priority	B-Algorithm
auto	O
exposure	O
mode	O
.	O
</s>
<s>
The	O
Speed	O
Finder	O
also	O
has	O
a	O
hot	B-Algorithm
shoe	I-Algorithm
.	O
</s>
<s>
The	O
New	O
F-1	B-Algorithm
system	O
also	O
has	O
13	O
different	O
focusing	O
screens	O
,	O
in	O
a	O
variety	O
of	O
metering	O
modes	O
(	O
center-weighted	O
averaging	O
,	O
selective-area	O
,	O
and	O
spot	O
,	O
though	O
not	O
all	O
are	O
available	O
with	O
spot	O
metering	O
)	O
,	O
for	O
a	O
total	O
of	O
32	O
different	O
screens	O
.	O
</s>
<s>
The	O
standard	O
screen	O
supplied	O
from	O
the	O
factory	O
in	O
F-1	B-Algorithm
bodies	O
is	O
the	O
Focusing	O
Screen	O
FN-AE	O
(	O
averaging	O
metering	O
,	O
New	O
Split/Microprism	O
style	O
)	O
for	O
bodies	O
shipped	O
with	O
an	O
AE	O
finder	O
FN	O
,	O
and	O
FN-PE	O
(	O
partial	O
metering	O
,	O
new	O
split/microprism	O
style	O
)	O
for	O
bodies	O
shipped	O
with	O
an	O
Eye	O
Level	O
Finder	O
FN	O
.	O
</s>
<s>
There	O
are	O
two	O
different	O
motorized	O
film	O
advance	O
units	O
in	O
the	O
New	O
F-1	B-Algorithm
system	O
:	O
the	O
AE	O
Power	O
Winder	O
FN	O
,	O
and	O
the	O
AE	O
Motor	O
Drive	O
FN	O
.	O
</s>
<s>
Both	O
units	O
add	O
the	O
possibility	O
of	O
shutter-priority	B-Algorithm
auto	O
exposure	O
mode	O
by	O
setting	O
the	O
lens	O
's	O
aperture	O
ring	O
to	O
'	O
A	O
 '	O
.	O
</s>
<s>
In	O
addition	O
to	O
the	O
standard	O
version	O
of	O
the	O
New	O
F-1	B-Algorithm
,	O
Canon	O
produced	O
a	O
few	O
special	O
editions	O
of	O
the	O
camera	O
.	O
</s>
<s>
Canon	O
was	O
the	O
official	O
camera	O
sponsor	O
of	O
the	O
1984	O
Summer	O
Olympics	O
and	O
produced	O
a	O
commemorative	O
edition	O
of	O
the	O
New	O
F-1	B-Algorithm
for	O
the	O
occasion	O
.	O
</s>
<s>
This	O
edition	O
has	O
gold	O
instead	O
of	O
white	O
for	O
the	O
'	O
Canon	O
 '	O
and	O
'	O
F-1	B-Algorithm
'	O
lettering	O
on	O
the	O
camera	O
,	O
and	O
a	O
gold	O
1984	O
Summer	O
Olympics	O
emblem	O
on	O
the	O
rewind	O
side	O
of	O
the	O
front	O
.	O
</s>
<s>
This	O
followed	O
on	O
from	O
Canon	O
's	O
previous	O
attempt	O
at	O
a	O
high-speed	O
sports	O
photography	O
camera	O
,	O
the	O
F-1	B-Algorithm
High	I-Algorithm
Speed	I-Algorithm
Motor	I-Algorithm
Drive	I-Algorithm
camera	I-Algorithm
,	O
produced	O
for	O
the	O
1972	O
Winter	O
Olympics	O
held	O
in	O
Sapporo	O
,	O
Japan	O
.	O
</s>
<s>
This	O
new	O
camera	O
attained	O
a	O
record	O
14	O
frames	O
per	O
second	O
performance	O
,	O
achieved	O
through	O
the	O
use	O
of	O
a	O
fixed	O
pellicle	B-Algorithm
mirror	I-Algorithm
instead	O
of	O
the	O
normal	O
moving	O
mirror	O
,	O
a	O
high-speed	O
metal	O
blade	O
shutter	O
,	O
and	O
a	O
large	O
and	O
powerful	O
motor	O
unit	O
and	O
battery	O
pack	O
.	O
</s>
<s>
Canon	O
supplied	O
a	O
number	O
of	O
New	O
F-1	B-Algorithm
cameras	O
to	O
the	O
U.S.	O
Navy	O
.	O
</s>
