<s>
The	O
Canon	B-Device
EOS	I-Device
30D	I-Device
is	O
an	O
8.2-megapixel	O
semi-professional	O
digital	B-Device
single-lens	I-Device
reflex	I-Device
camera	I-Device
,	O
initially	O
announced	O
on	O
February	O
21	O
,	O
2006	O
.	O
</s>
<s>
It	O
is	O
the	O
successor	O
of	O
the	O
Canon	B-Algorithm
EOS	I-Algorithm
20D	I-Algorithm
,	O
and	O
is	O
succeeded	O
by	O
the	O
EOS	B-Device
40D	I-Device
.	O
</s>
<s>
It	O
can	O
accept	O
EF	B-Application
and	O
EF-S	B-Algorithm
lenses	I-Algorithm
,	O
and	O
like	O
its	O
predecessor	O
,	O
it	O
uses	O
an	O
APS-C	B-Algorithm
sized	O
image	O
sensor	O
,	O
so	O
it	O
does	O
not	O
require	O
the	O
larger	O
imaging	O
circle	O
necessary	O
for	O
35	O
mm	O
film	O
and	O
'	O
full-frame	O
'	O
digital	O
cameras	O
.	O
</s>
<s>
Changes	O
over	O
the	O
20D	O
include	O
a	O
bigger	O
LCD	B-Device
rear	O
screen	O
,	O
improved	O
shutter	O
mechanism	O
rated	O
for	O
100,000	O
actuations	O
,	O
improved	O
frame	O
capacity	O
,	O
1/3	O
stop	O
increments	O
for	O
sensor	O
speed	O
and	O
an	O
added	O
spot	O
meter	O
.	O
</s>
<s>
Other	O
changes	O
include	O
a	O
larger	O
11	O
frame	O
RAW	B-Application
/	O
30	O
frame	O
JPEG	O
buffer	O
,	O
and	O
slightly	O
faster	O
0.15	O
second	O
startup	O
.	O
</s>
<s>
The	O
30D	B-Device
uses	O
the	O
same	O
number	O
of	O
autofocus	O
points	O
as	O
the	O
20D	O
(	O
nine	O
)	O
,	O
but	O
has	O
improved	O
algorithms	O
.	O
</s>
<s>
The	O
30D	B-Device
's	O
file	O
numbering	O
system	O
holds	O
9,999	O
images	O
to	O
one	O
folder	O
,	O
which	O
was	O
introduced	O
with	O
the	O
5D	O
.	O
</s>
<s>
The	O
EOS	B-Device
30D	I-Device
can	O
also	O
accept	O
the	O
Canon	O
Wireless	O
File	O
Transmitter	O
WFT-E1/E1A	O
for	O
fast	O
file	O
transfer	O
to	O
a	O
remote	O
file	O
server	O
,	O
either	O
through	O
an	O
ethernet	O
cable	O
or	O
a	O
Wi-Fi	O
network	O
.	O
</s>
<s>
This	O
capability	O
expands	O
the	O
EOS	B-Device
30D	I-Device
's	O
range	O
of	O
applications	O
to	O
sports	O
and	O
studio	O
set	O
ups	O
where	O
real-time	O
transfer	O
of	O
the	O
images	O
is	O
crucial	O
.	O
</s>
<s>
The	O
Canon	B-Device
EOS	I-Device
30D	I-Device
has	O
several	O
resolution	O
settings	O
:	O
</s>
<s>
(	O
There	O
are	O
also	O
six	O
resolution	O
settings	O
for	O
JPEG+Raw	O
which	O
are	O
the	O
same	O
as	O
the	O
first	O
six	O
but	O
which	O
also	O
attach	O
a	O
Raw	B-Application
file	I-Application
in	O
a	O
separate	O
.cr2	B-Application
file	O
)	O
.	O
</s>
<s>
The	O
Canon	B-Device
EOS	I-Device
30D	I-Device
features	O
a	B-Algorithm
Mode	I-Algorithm
Dial	O
on	O
the	O
top	O
which	O
selects	O
the	O
shooting	O
mode	O
.	O
</s>
<s>
The	O
Creative	O
zone	O
provides	O
manual	O
and	O
semi-manual	O
modes	O
;	O
it	O
gives	O
access	O
to	O
RAW	B-Application
format	I-Application
,	O
manual	O
exposure	O
,	O
aperture	B-General_Concept
and	O
ISO	O
sensitivity	O
.	O
</s>
<s>
A-DEP	O
:	O
The	O
camera	O
automatically	O
selects	O
the	O
aperture	B-General_Concept
and	O
shutter	O
speed	O
to	O
keep	O
most	O
of	O
the	O
image	O
in	O
focus	O
.	O
</s>
<s>
M	O
(	O
Manual	O
)	O
:	O
The	O
camera	O
lets	O
you	O
choose	O
manually	O
the	O
aperture	B-General_Concept
and	O
shutter	O
speed	O
.	O
</s>
<s>
Av	O
(	O
Aperture	B-Algorithm
priority	I-Algorithm
)	O
:	O
The	O
camera	O
lets	O
the	O
user	O
choose	O
the	O
aperture	B-General_Concept
(	O
f/	O
)	O
value	O
and	O
then	O
automatically	O
adjusts	O
the	O
shutter	O
speed	O
for	O
correct	O
exposure	O
.	O
</s>
<s>
Tv	O
(	O
Shutter	B-Algorithm
speed	I-Algorithm
priority	I-Algorithm
)	O
:	O
The	O
camera	O
lets	O
the	O
user	O
set	O
the	O
shutter	O
speed	O
and	O
automatically	O
sets	O
the	O
aperture	B-General_Concept
for	O
correct	O
exposure	O
.	O
</s>
<s>
P	O
(	O
Program	O
AE	O
)	O
:	O
The	O
camera	O
automatically	O
chooses	O
an	O
aperture	B-General_Concept
and	O
shutter	O
combination	O
for	O
correct	O
exposure	O
and	O
the	O
user	O
can	O
change	O
between	O
one	O
of	O
these	O
combinations	O
.	O
</s>
<s>
The	O
camera	O
features	O
(	O
like	O
many	O
others	O
)	O
two	O
LCDs	B-Device
,	O
one	O
monochrome	O
at	O
the	O
top	O
,	O
which	O
contains	O
all	O
information	O
pertinent	O
to	O
shooting	O
,	O
and	O
a	O
full-color	O
one	O
at	O
the	O
back	O
,	O
which	O
is	O
used	O
for	O
picture	O
reviewing	O
and	O
menu	O
navigation	O
.	O
</s>
<s>
The	O
Canon	B-Device
EOS	I-Device
30D	I-Device
also	O
features	O
a	O
large	O
dial	O
on	O
its	O
back	O
which	O
is	O
used	O
for	O
fast	O
scrolling	O
over	O
the	O
stored	O
pictures	O
or	O
over	O
the	O
settings	O
in	O
the	O
menu	O
.	O
</s>
<s>
Photographers	O
can	O
attach	O
an	O
external	O
flash	O
with	O
AF	O
assist	O
lamp	O
like	O
many	O
of	O
Canon	B-Algorithm
Speedlites	I-Algorithm
.	O
</s>
