<s>
The	O
EOS-1Ds	B-Algorithm
is	O
a	O
full-frame	B-Algorithm
11.1-megapixel	O
digital	B-Device
SLR	I-Device
camera	I-Device
body	O
made	O
by	O
Canon	O
in	O
the	O
1Ds	B-Device
series	O
,	O
released	O
on	O
24	O
September	O
2002	O
.	O
</s>
<s>
It	O
was	O
Canon	O
's	O
first	O
full-frame	B-Algorithm
DSLR	I-Algorithm
.	O
</s>
<s>
The	O
~	O
11	O
megapixel	O
,	O
full	O
size	O
35mm	O
digital	B-Device
camera	I-Device
was	O
far	O
ahead	O
of	O
other	O
cameras	O
counting	O
usually	O
much	O
fewer	O
megapixels	O
,	O
and	O
having	O
smaller	O
size	O
frame	O
.	O
</s>
<s>
Being	O
an	O
autofocus	O
camera	B-Device
,	O
it	O
has	O
two	O
autofocus	O
modes	O
,	O
and	O
an	O
option	O
for	O
manual	O
focusing	O
.	O
</s>
<s>
It	O
also	O
has	O
a	O
two-inch	O
,	O
thin-film	O
transistor	O
,	O
color	O
liquid-crystal	B-Device
monitor	I-Device
with	O
approximately	O
120,000	O
pixels	O
.	O
</s>
<s>
The	O
camera	B-Device
's	O
image	B-Algorithm
sensor	I-Algorithm
is	O
a	O
CMOS-based	O
integrated	O
circuit	O
with	O
Bayer	B-Algorithm
filters	I-Algorithm
for	O
RGB	O
color	O
detection	O
(	O
Canon	O
calls	O
it	O
single-plate	O
,	O
in	O
contrast	O
with	O
three-CCD	B-Algorithm
sensors	O
)	O
.	O
</s>
<s>
A	O
non-removable	O
optical	O
anti-aliasing	O
filter	O
is	O
located	O
in	O
front	O
of	O
the	O
image	B-Algorithm
sensor	I-Algorithm
.	O
</s>
