<s>
The	O
Pentax	B-Algorithm
K-30	I-Algorithm
is	O
a	O
16.3-megapixel	O
Pentax	B-Application
digital	B-Device
single-lens	I-Device
reflex	I-Device
camera	I-Device
,	O
announced	O
on	O
21	O
May	O
2012	O
.	O
</s>
<s>
At	O
its	O
introduction	O
,	O
it	O
was	O
in	O
the	O
middle	O
of	O
Pentax	B-Application
's	O
DSLR	B-Device
range	O
,	O
above	O
the	O
now-discontinued	O
entry-level	O
K-r	B-Algorithm
,	O
and	O
below	O
the	O
semi-pro	O
K-5	B-Algorithm
and	O
successor	O
K-5	B-Algorithm
II	I-Algorithm
.	O
</s>
<s>
It	O
has	O
a	O
stainless	O
steel	O
chassis	O
,	O
and	O
unlike	O
most	O
DSLRs	B-Device
of	O
its	O
class	O
,	O
is	O
fully	O
weather	O
sealed	O
.	O
</s>
<s>
It	O
can	O
capture	O
video	O
at	O
1080p	O
at	O
either	O
30	O
,	O
25	B-Language
,	O
or	O
24	O
fps	O
.	O
</s>
<s>
Like	O
all	O
current	O
and	O
recent	O
Pentax	B-Application
dSLRs	B-Device
it	O
features	O
in-body	O
shake	O
reduction	O
,	O
removing	O
the	O
need	O
for	O
each	O
lens	O
to	O
have	O
image	O
stabilisation	O
.	O
</s>
<s>
The	O
Pentax	B-Algorithm
K	I-Algorithm
mount	I-Algorithm
allows	O
use	O
of	O
legacy	O
lenses	O
dating	O
back	O
to	O
the	O
1970s	O
,	O
or	O
even	O
earlier	O
with	O
an	O
M42-mount	B-Algorithm
adapter	O
,	O
for	O
which	O
the	O
K-mount	B-Algorithm
is	O
fully	O
compatible	O
.	O
</s>
<s>
The	O
autofocus	O
system	O
(	O
SAFOX	O
IXi+	O
)	O
is	O
an	O
advance	O
over	O
the	O
K-5	B-Algorithm
and	O
features	O
11	O
AF	O
points	O
,	O
9	O
of	O
which	O
are	O
cross-type	O
(	O
i.e.	O
</s>
<s>
For	O
maximum	O
flexibility	O
,	O
the	O
camera	O
can	O
either	O
use	O
the	O
proprietary	O
supplied	O
lithium	O
battery	O
,	O
or	O
,	O
with	O
an	O
optional	O
adapter	O
,	O
use	O
the	O
universally	O
available	O
AA	B-Algorithm
battery	I-Algorithm
type	O
.	O
</s>
