<s>
The	O
Pentax	B-Algorithm
K-3	I-Algorithm
Mark	I-Algorithm
III	I-Algorithm
is	O
a	O
Digital	B-Device
single-lens	I-Device
reflex	I-Device
camera	I-Device
released	O
by	O
Ricoh	O
Imaging	O
on	O
23	O
April	O
2021	O
.	O
</s>
<s>
It	O
was	O
developed	O
as	O
the	O
flagship	O
model	O
of	O
the	O
Pentax	B-Application
APS-C	O
camera	O
range	O
.	O
</s>
<s>
It	O
also	O
has	O
familiar	O
Pentax	B-Application
features	O
,	O
such	O
as	O
Astrotracer	O
,	O
Pixel	O
Shift	O
Resolution	O
,	O
AA	O
Filter	O
simulator	O
,	O
as	O
well	O
as	O
Depth-of-field	O
,	O
Shutter	O
,	O
and	O
Motion	O
Bracketing	O
.	O
</s>
<s>
This	O
is	O
the	O
first	O
Pentax	B-Application
camera	O
with	O
4K	O
video	O
recording	O
and	O
a	O
touchscreen	O
.	O
</s>
