<s>
The	O
Pentax	B-Application
K10D	O
and	O
similar	O
Samsung	B-Algorithm
GX-10	I-Algorithm
are	O
10.2-megapixel	O
digital	B-Device
single-lens	I-Device
reflex	I-Device
cameras	I-Device
launched	O
in	O
late	O
2006	O
.	O
</s>
<s>
They	O
were	O
developed	O
in	O
a	O
collaboration	O
between	O
Pentax	B-Application
of	O
Japan	O
and	O
Samsung	B-Application
of	O
South	O
Korea	O
.	O
</s>
<s>
The	O
K10D	O
was	O
announced	O
on	O
13	O
September	O
2006	O
,	O
and	O
released	O
in	O
mid-November	O
2006	O
,	O
while	O
Samsung	B-Application
announced	O
the	O
GX-10	O
on	O
2006-09-21	O
and	O
it	O
became	O
available	O
on	O
January	O
1	O
,	O
2007	O
.	O
</s>
<s>
The	O
Pentax	B-Algorithm
K20D	I-Algorithm
,	O
successor	O
to	O
the	O
K10D	O
,	O
was	O
officially	O
announced	O
on	O
January	O
23	O
,	O
2008	O
.	O
</s>
<s>
It	O
combines	O
a	O
10.2	O
effective	O
megapixel	O
CCD	B-Algorithm
sensor	I-Algorithm
,	O
coupled	O
with	O
a	O
22-bit	O
analog-to-digital	O
converter	O
(	O
ADC	O
)	O
and	O
a	O
shake	O
reduction	O
system	O
which	O
also	O
provides	O
a	O
dust	O
removal	O
feature	O
to	O
keep	O
dust	O
off	O
the	O
sensor	O
surface	O
.	O
</s>
<s>
The	O
K10D	O
features	O
a	O
new	O
image	O
processor	O
called	O
PRIME	O
(	O
Pentax	B-Application
Real	O
IMage	O
Engine	O
)	O
,	O
which	O
interfaces	O
with	O
DDR2	O
RAM	B-Architecture
,	O
providing	O
800MB/s	O
bandwidth	O
.	O
</s>
<s>
Images	O
can	O
be	O
saved	O
in	O
JPG	O
,	O
Pentax	B-Application
raw	B-Application
image	I-Application
format	I-Application
(	O
PEF	O
)	O
or	O
standard	O
DNG	B-Application
format	O
.	O
</s>
<s>
The	O
Pentax	B-Application
K10D	O
was	O
among	O
the	O
first	O
digital	O
cameras	O
to	O
support	O
the	O
DNG	B-Application
format	O
natively	O
.	O
</s>
<s>
By	O
sensor	O
size	O
and	O
price	O
it	O
is	O
a	O
competitor	O
to	O
the	O
Sony	B-Device
α	I-Device
100	I-Device
,	O
the	O
Nikon	B-Algorithm
D80	I-Algorithm
,	O
the	O
Canon	B-Algorithm
EOS	I-Algorithm
400D	I-Algorithm
(	O
"	O
Digital	B-Algorithm
Rebel	I-Algorithm
XTi	I-Algorithm
"	O
in	O
North	O
America	O
)	O
and	O
the	O
Olympus	B-Algorithm
E-400	I-Algorithm
,	O
all	O
10	O
megapixel	O
DSLRs	B-Device
unveiled	O
in	O
mid	O
to	O
late	O
2006	O
.	O
</s>
<s>
Of	O
course	O
,	O
sensor	O
size	O
alone	O
does	O
not	O
relate	O
directly	O
to	O
any	O
measure	O
of	O
quality	O
or	O
features	O
,	O
and	O
the	O
K10D	O
can	O
also	O
be	O
considered	O
a	O
competitor	O
to	O
higher	O
priced	O
cameras	O
such	O
as	O
the	O
Canon	B-Device
EOS	I-Device
30D	I-Device
,	O
and	O
its	O
weather	O
sealing	O
is	O
only	O
matched	O
by	O
the	O
much	O
more	O
expensive	O
Nikon	B-Algorithm
D200	I-Algorithm
,	O
Fujifilm	B-Algorithm
S5	I-Algorithm
Pro	I-Algorithm
and	O
the	O
Canon	O
EOS-1D	O
Mark	O
II	O
N/1Ds	O
Mark	O
II	O
in	O
current	O
production	O
.	O
</s>
<s>
Like	O
the	O
full-featured	O
KAF2	O
mount	O
,	O
this	O
has	O
power	O
contacts	O
for	O
the	O
lens	O
and	O
supports	O
power	O
zoom	O
and	O
MTF	O
information	O
transferred	O
from	O
the	O
lens	O
to	O
the	O
body	O
,	O
but	O
lacks	O
the	O
mechanical	O
stop-down	O
coupler	O
necessary	O
for	O
full	O
compatibility	O
with	O
the	O
oldest	O
Pentax	B-Algorithm
K-mount	I-Algorithm
lenses	O
.	O
</s>
<s>
The	O
K10D	O
is	O
typically	O
sold	O
in	O
a	O
bundle	O
with	O
Pentax	B-Application
's	O
SMC-DA	O
18-55mm	O
kit	O
lens	O
,	O
which	O
has	O
received	O
very	O
favorable	O
reviews	O
compared	O
to	O
kit	O
lenses	O
from	O
Canon	O
and	O
Nikon	B-Algorithm
,	O
because	O
of	O
its	O
build-quality	O
and	O
quick-shift	O
focus	O
system	O
.	O
</s>
<s>
In	O
addition	O
,	O
the	O
K10D	O
supports	O
in-lens	O
ultrasonic	O
focusing	O
motors	O
,	O
branded	O
SDM	O
by	O
Pentax	B-Application
.	O
</s>
<s>
Like	O
the	O
"	O
crippled	O
"	O
KAF	O
mount	O
used	O
on	O
previous	O
Pentax	B-Application
digital	B-Device
SLRs	I-Device
,	O
the	O
"	O
crippled	O
"	O
KAF2	O
lacks	O
the	O
mechanism	O
to	O
mechanically	O
sense	O
a	O
lens	O
's	O
aperture	O
ring	O
setting	O
.	O
</s>
<s>
For	O
that	O
reason	O
,	O
when	O
using	O
the	O
manual	O
aperture	O
ring	O
on	O
K-mount	B-Algorithm
lenses	O
,	O
it	O
is	O
necessary	O
to	O
set	O
the	O
'	O
Use	O
aperture	O
ring	O
 '	O
setting	O
in	O
the	O
'	O
Custom	O
Menu	O
 '	O
to	O
'	O
Permitted	O
 '	O
and	O
use	O
stop-down	O
metering	O
mode	O
(	O
Pentax	B-Application
calls	O
it	O
optical	O
preview	O
)	O
to	O
ensure	O
proper	O
exposure	O
.	O
</s>
<s>
Under	O
a	O
partnership	O
between	O
Pentax	B-Application
and	O
Samsung	B-Application
Techwin	O
,	O
the	O
K10D	O
is	O
also	O
available	O
badged	O
as	O
the	O
Samsung	B-Algorithm
GX-10	I-Algorithm
.	O
</s>
<s>
In	O
addition	O
,	O
the	O
hand	O
grip	O
is	O
a	O
slightly	O
different	O
shape	O
,	O
meaning	O
the	O
battery	B-Algorithm
grip	I-Algorithm
for	O
the	O
K10D	O
is	O
incompatible	O
–	O
however	O
,	O
a	O
GX-10	O
battery	B-Algorithm
grip	I-Algorithm
is	O
available	O
.	O
</s>
<s>
The	O
firmware	O
is	O
quite	O
different	O
,	O
using	O
different	O
menus	O
and	O
symbols	O
,	O
and	O
providing	O
no	O
support	O
for	O
Pentax	B-Application
's	O
PEF	O
raw	B-Application
image	I-Application
format	I-Application
.	O
</s>
<s>
The	O
K10D	O
has	O
won	O
a	O
number	O
of	O
awards	O
from	O
the	O
industry	O
,	O
the	O
first	O
being	O
the	O
TIPA	O
2007	O
award	O
for	O
the	O
best	O
"	O
Expert	O
Digital	B-Device
SLR	I-Device
"	O
.	O
</s>
<s>
On	O
17	O
May	O
,	O
Pentax	B-Application
announced	O
that	O
it	O
had	O
won	O
the	O
Japanese	O
Camera	O
Grand	O
Prix	O
2007	O
.	O
</s>
<s>
Pentax	B-Application
later	O
announced	O
on	O
14	O
June	O
,	O
2007	O
,	O
the	O
introduction	O
of	O
a	O
limited	O
edition	O
K10D	O
package	O
in	O
commemoration	O
of	O
winning	O
of	O
the	O
Japanese	O
Camera	O
Grand	O
Prix	O
.	O
</s>
<s>
The	O
package	O
features	O
a	O
dark	O
brown	O
K10D	O
with	O
gold	O
lettering	O
and	O
a	O
matching	O
battery	B-Algorithm
grip	I-Algorithm
.	O
</s>
<s>
The	O
K10D	O
won	O
American	O
Photo	O
's	O
Editor	O
's	O
Choice	O
2007	O
for	O
the	O
Advanced	O
Digital	B-Device
SLR	I-Device
category	O
.	O
</s>
