<s>
The	O
Canon	B-Device
EOS	I-Device
40D	I-Device
is	O
a	O
10.1-megapixel	O
semi-professional	O
digital	B-Device
single-lens	I-Device
reflex	I-Device
camera	I-Device
.	O
</s>
<s>
It	O
is	O
the	O
successor	O
of	O
the	O
Canon	B-Device
EOS	I-Device
30D	I-Device
,	O
and	O
is	O
succeeded	O
by	O
the	O
EOS	B-Device
50D	I-Device
.	O
</s>
<s>
It	O
can	O
accept	O
EF	B-Application
and	O
EF-S	B-Algorithm
lenses	I-Algorithm
.	O
</s>
<s>
Like	O
its	O
predecessor	O
,	O
it	O
uses	O
an	O
APS-C	B-Algorithm
sized	O
image	O
sensor	O
,	O
resulting	O
in	O
a	O
1.6x	O
field	O
of	O
view	O
crop	O
factor	O
.	O
</s>
<s>
Changes	O
over	O
the	O
30D	B-Device
include	O
a	O
higher-resolution	O
sensor	O
(	O
10.1	O
megapixel	O
instead	O
of	O
8.2	O
)	O
.	O
</s>
<s>
The	O
40D	B-Device
has	O
a	O
larger	O
memory	O
buffer	O
so	O
more	O
pictures	O
can	O
be	O
taken	O
in	O
succession	O
without	O
a	O
slow	O
down	O
in	O
frame	O
rate	O
.	O
</s>
<s>
The	O
40D	B-Device
adds	O
a	O
new	O
format	O
,	O
Canon	O
's	O
sRAW	O
,	O
which	O
is	O
a	O
smaller	O
RAW	B-Application
image	I-Application
for	O
smaller	O
prints	O
and	O
reduced	O
file	O
sizes	O
.	O
</s>
<s>
The	O
40D	B-Device
's	O
RAW	B-Application
format	I-Application
is	O
14-bit	O
instead	O
of	O
the	O
12-bit	O
of	O
the	O
30D	B-Device
.	O
</s>
<s>
The	O
camera	O
uses	O
the	O
new	O
DIGIC	B-General_Concept
III	I-General_Concept
image	O
processor	O
,	O
which	O
was	O
first	O
used	O
in	O
the	O
Canon	B-Algorithm
EOS-1D	I-Algorithm
Mark	I-Algorithm
III	I-Algorithm
,	O
introduced	O
earlier	O
that	O
year	O
.	O
</s>
<s>
Canon	O
's	O
DIGIC	B-General_Concept
III	I-General_Concept
processor	O
delivers	O
responsive	O
operation	O
,	O
improved	O
color	O
rendering	O
and	O
near-instant	O
start-up	O
time	O
.	O
</s>
<s>
The	O
40D	B-Device
has	O
a	O
larger	O
screen	O
(	O
3	O
"	O
,	O
of	O
the	O
same	O
resolution	O
of	O
320	O
×	O
240	O
pixel	O
=	O
76,800	O
pixels	O
)	O
than	O
the	O
30D	B-Device
(	O
2.5	O
"	O
)	O
.	O
</s>
<s>
Other	O
additions	O
on	O
the	O
Canon	B-Device
40D	I-Device
include	O
interchangeable	O
focusing	O
screens	O
,	O
an	O
AF-ON	O
button	O
,	O
the	O
EOS	B-Algorithm
Integrated	O
Cleaning	O
System	O
for	O
sensor	O
dust	O
reduction	O
,	O
rubber	O
strips	O
around	O
the	O
battery	O
and	O
CF	B-Device
doors	O
for	O
improved	O
weather	O
sealing	O
and	O
three	O
new	O
optional	O
accessories	O
:	O
an	O
IS	O
version	O
of	O
the	O
18-55mm	O
kit	O
lens	O
;	O
a	O
new	O
backward-compatible	O
,	O
live	B-Device
view	I-Device
mode	O
,	O
and	O
a	O
weather-sealed	O
battery	B-Algorithm
grip	I-Algorithm
.	O
</s>
<s>
The	O
40D	B-Device
has	O
many	O
similar	O
characteristics	O
to	O
its	O
predecessors	O
the	O
20D	O
and	O
30D	B-Device
,	O
but	O
also	O
many	O
differences	O
.	O
</s>
<s>
This	O
includes	O
various	O
shooting	O
modes	O
,	O
ability	O
to	O
change	O
ISO	O
and	O
white	O
balance	O
,	O
a	O
pop-up	O
flash	O
unit	O
,	O
an	O
LCD	O
screen	O
of	O
3.0	O
inches	O
(	O
an	O
upgrade	O
from	O
the	O
previous	O
model	O
,	O
the	O
Canon	B-Device
EOS	I-Device
30D	I-Device
with	O
a	O
screen	O
of	O
only	O
2.5	O
inches	O
)	O
,	O
and	O
a	O
rugged	O
magnesium	O
alloy	O
protective	O
inner-shell	O
,	O
which	O
both	O
the	O
Canon	B-Device
30D	I-Device
and	O
40D	B-Device
have	O
.	O
</s>
<s>
The	O
newest	O
feature	O
to	O
the	O
40D	B-Device
is	O
Live	B-Device
View	I-Device
(	O
previously	O
used	O
on	O
the	O
EOS	B-Algorithm
20Da	O
)	O
,	O
allowing	O
photographers	O
to	O
use	O
the	O
LCD	O
screen	O
as	O
their	O
viewfinder	O
.	O
</s>
<s>
Canon	O
released	O
its	O
DPP	O
3.1	O
RAW	B-Application
converter	O
alongside	O
the	O
40D	B-Device
.	O
</s>
<s>
Initially	O
,	O
Adobe	B-Operating_System
Lightroom	I-Operating_System
did	O
not	O
have	O
official	O
support	O
for	O
the	O
40D	B-Device
though	O
RAW	B-Application
and	O
JPEGs	O
from	O
the	O
camera	O
did	O
still	O
work	O
.	O
</s>
<s>
Official	O
support	O
for	O
the	O
40D	B-Device
as	O
well	O
as	O
the	O
1Ds	B-Algorithm
Mark	I-Algorithm
III	I-Algorithm
was	O
added	O
with	O
Lightroom	B-Operating_System
1.3	O
,	O
available	O
as	O
a	O
free	O
update	O
from	O
Adobe	O
.	O
</s>
