<s>
The	O
Canon	B-Algorithm
EOS	I-Algorithm
100	I-Algorithm
is	O
a	O
35	O
mm	O
autofocus	O
SLR	B-Algorithm
camera	I-Algorithm
introduced	O
by	O
Canon	O
in	O
1991	O
.	O
</s>
<s>
It	O
was	O
marketed	O
as	O
the	O
EOS	B-Algorithm
Elan	I-Algorithm
in	O
North	O
America	O
.	O
</s>
<s>
It	O
was	O
the	O
second	O
camera	O
in	O
the	O
EOS	B-Algorithm
range	O
to	O
be	O
targeted	O
at	O
advanced	O
amateur	O
photographers	O
,	O
replacing	O
the	O
EOS	B-Algorithm
650	I-Algorithm
.	O
</s>
<s>
Its	O
headline	O
features	O
were	O
near-silent	O
film	O
winding	O
,	O
input	O
of	O
EOS	B-Algorithm
barcode	O
programs	O
,	O
integral	O
auto-zoom	O
flash	O
,	O
twin	O
input	O
dials	O
,	O
an	O
autofocus	O
auxiliary	O
light	O
for	O
low-contrast	O
subjects	O
,	O
a	O
maximum	O
shutter	O
speed	O
of	O
1/4000s	O
,	O
and	O
five	O
fully	O
automatic	O
modes	O
.	O
</s>
<s>
The	O
look	O
and	O
feel	O
of	O
the	O
EOS	B-Algorithm
100	I-Algorithm
had	O
much	O
in	O
common	O
with	O
the	O
T90	O
and	O
EOS	B-Algorithm
650	I-Algorithm
.	O
</s>
<s>
It	O
was	O
based	O
around	O
a	O
polycarbonate	O
body	O
with	O
metal	O
bayonet	O
lens	B-Algorithm
mount	I-Algorithm
.	O
</s>
<s>
The	O
top	O
right	O
of	O
the	O
body	O
had	O
a	O
multi-function	O
Main	O
Dial	O
,	O
buttons	O
for	O
autofocus	O
and	O
film	O
advance	O
control	O
,	O
the	O
shutter	O
release	O
button	O
and	O
an	O
LCD	B-Device
display	I-Device
panel	O
.	O
</s>
<s>
The	O
EOS	B-Algorithm
100	I-Algorithm
came	O
with	O
a	O
motorised	O
belt	O
drive	O
for	O
film	O
winding	O
and	O
rewinding	O
.	O
</s>
<s>
Canon	O
claimed	O
this	O
made	O
it	O
the	O
quietest	O
camera	O
in	O
the	O
EOS	B-Algorithm
range	O
.	O
</s>
<s>
All	O
powered	O
functions	O
in	O
the	O
EOS	B-Algorithm
100	I-Algorithm
came	O
from	O
a	O
single	O
6	O
volt	O
lithium	O
2CR5	O
.	O
</s>
<s>
There	O
was	O
no	O
option	O
to	O
adapt	O
this	O
to	O
AA	B-Algorithm
size	O
batteries	O
.	O
</s>
<s>
The	O
EOS	B-Algorithm
100	I-Algorithm
had	O
a	O
single	O
BASIS	O
(	O
BAse	O
Stored	O
Image	O
Sensor	O
)	O
chip	O
,	O
targeting	O
the	O
centre	O
of	O
the	O
viewfinder	O
.	O
</s>
<s>
This	O
was	O
key	O
to	O
its	O
two	O
autofocussing	O
(	O
AF	O
)	O
modes	O
:	O
One-shot	O
AF	O
and	O
AI	B-Application
Servo	O
AF	O
.	O
</s>
<s>
AI	B-Application
Servo	O
AF	O
was	O
used	O
for	O
moving	O
objects	O
.	O
</s>
<s>
Automatic	O
exposure	O
settings	O
were	O
calculated	O
using	O
three	O
metering	B-Algorithm
modes	I-Algorithm
:	O
partial	O
metering	O
(	O
central	O
6.5	O
%	O
of	O
the	O
picture	O
)	O
,	O
centre-weighted	O
average	B-Algorithm
metering	I-Algorithm
and	O
evaluative	B-Algorithm
metering	I-Algorithm
.	O
</s>
<s>
The	O
current	O
metering	B-Algorithm
mode	I-Algorithm
was	O
displayed	O
on	O
the	O
LCD	B-Device
panel	I-Device
.	O
</s>
<s>
The	O
EOS	B-Algorithm
100	I-Algorithm
had	O
an	O
integrated	O
retractable	O
TTL	O
flash	O
.	O
</s>
<s>
Information	O
via	O
the	O
EF	B-Application
lens	I-Application
mount	I-Application
was	O
used	O
to	O
optimise	O
the	O
zoom	O
setting	O
of	O
the	O
flash	O
.	O
</s>
<s>
The	O
only	O
accessory	O
specific	O
to	O
the	O
EOS	B-Algorithm
100	I-Algorithm
made	O
by	O
Canon	O
was	O
the	O
GR-70	O
grip	O
extension	O
.	O
</s>
<s>
via	O
AA	B-Algorithm
batteries	I-Algorithm
)	O
,	O
nor	O
extra	O
shutter	O
release	O
buttons	O
(	O
e.g.	O
</s>
<s>
The	O
EOS	B-Algorithm
100	I-Algorithm
had	O
a	O
feature	O
it	O
shared	O
with	O
just	O
one	O
other	O
camera	O
(	O
the	O
EOS	B-Algorithm
10	O
)	O
in	O
the	O
EOS	B-Algorithm
range	O
;	O
the	O
barcode	O
reader	O
.	O
</s>
<s>
For	O
this	O
functionality	O
,	O
Canon	O
released	O
the	O
EOS	B-Algorithm
100QD	O
,	O
where	O
QD	O
stood	O
for	O
Quartz	O
Date	O
.	O
</s>
<s>
Despite	O
not	O
having	O
many	O
specific	O
accessories	O
,	O
the	O
EOS	B-Algorithm
100	I-Algorithm
was	O
built	O
to	O
accept	O
all	O
of	O
Canon	O
's	O
EOS	B-Algorithm
range	O
of	O
accessories	O
:	O
</s>
<s>
The	O
EOS	B-Algorithm
100	I-Algorithm
was	O
among	O
the	O
first	O
of	O
Canon	O
's	O
cameras	O
to	O
have	O
the	O
facility	O
to	O
alter	O
its	O
operation	O
via	O
custom	O
functions	O
.	O
</s>
<s>
The	O
EOS	B-Algorithm
100	I-Algorithm
never	O
enjoyed	O
the	O
popularity	O
of	O
the	O
lower-pitched	O
EOS	B-Algorithm
1000	O
and	O
it	O
was	O
discontinued	O
in	O
1995	O
.	O
</s>
<s>
As	O
of	O
2008	O
,	O
EOS	B-Algorithm
100	I-Algorithm
bodies	O
can	O
be	O
bought	O
from	O
on-line	O
auction	O
sites	O
from	O
as	O
little	O
as	O
£	O
10/	O
$15	O
.	O
</s>
<s>
Along	O
with	O
the	O
T90	O
,	O
and	O
other	O
older	O
Canon	O
SLR	B-Algorithm
film	O
cameras	O
,	O
used	O
EOS	B-Algorithm
100s	I-Algorithm
can	O
suffer	O
from	O
a	O
'	O
sticky	O
shutter	O
 '	O
problem	O
.	O
</s>
<s>
The	O
command	O
dial	O
is	O
also	O
prone	O
to	O
detachment	O
from	O
the	O
electronic	O
part	O
of	O
the	O
dial	O
,	O
and	O
many	O
used	O
EOS	B-Algorithm
100s	I-Algorithm
are	O
rendered	O
unusable	O
from	O
this	O
manufacturing	O
flaw	O
.	O
</s>
