<s>
The	O
Pentax	B-Algorithm
K-S1	I-Algorithm
is	O
a	O
midrange	O
DSLR	B-Device
camera	I-Device
announced	O
by	O
Ricoh	O
on	O
August	O
27	O
,	O
2014	O
.	O
</s>
<s>
It	O
has	O
a	O
20	O
megapixel	O
sensor	O
—	O
new	O
to	O
the	O
Pentax	B-Application
line-up	O
—	O
and	O
an	O
anti-aliasing	O
filter	O
simulator	O
as	O
previously	O
seen	O
in	O
the	O
Pentax	B-Algorithm
K-3	I-Algorithm
.	O
</s>
<s>
Also	O
adopted	O
from	O
the	O
K-3	O
is	O
compatibility	O
with	O
the	O
Pentax	B-Application
FluCard	O
,	O
which	O
allows	O
wireless	O
tethered	O
shooting	O
and	O
wireless	O
download	O
of	O
images	O
from	O
the	O
camera	O
.	O
</s>
<s>
In	O
other	O
respects	O
,	O
the	O
K-S1	B-Algorithm
inherits	O
a	O
fair	O
amount	O
from	O
the	O
K-30/K	O
-50	O
lineage	O
,	O
such	O
as	O
the	O
compact	O
,	O
100%	O
coverage	O
viewfinder	O
,	O
1/6000s	O
shutter	O
and	O
D-LI109	O
battery	O
.	O
</s>
<s>
The	O
K-S1	B-Algorithm
is	O
slightly	O
larger	O
than	O
the	O
Canon	B-Algorithm
EOS	I-Algorithm
100D	I-Algorithm
,	O
which	O
as	O
of	O
August	O
2014	O
was	O
the	O
smallest	O
DSLR	B-Device
in	O
production	O
.	O
</s>
<s>
The	O
K-S1	B-Algorithm
received	O
mixed	O
to	O
positive	O
reviews	O
and	O
reviews	O
did	O
appreciate	O
that	O
Ricoh	O
attempted	O
to	O
innovate	O
,	O
including	O
having	O
LEDs	O
in	O
the	O
grip	O
,	O
which	O
mostly	O
serves	O
no	O
purpose	O
but	O
can	O
be	O
useful	O
in	O
timer	O
mode	O
.	O
</s>
<s>
The	O
design	O
was	O
enough	O
of	O
a	O
departure	O
from	O
normal	O
Pentax	B-Application
cameras	I-Application
that	O
multiple	O
reviews	O
noted	O
that	O
the	O
K-S2	B-Algorithm
returned	O
to	O
"	O
normality	O
in	O
terms	O
of	O
design	O
and	O
button	O
layout	O
"	O
.	O
</s>
<s>
The	O
K-S1	B-Algorithm
won	O
the	O
2015	O
Australian	O
Camera	O
magazine	O
Imaging	O
Awards	O
for	O
customer	O
digital	B-Device
SLR	I-Device
of	O
the	O
year	O
.	O
</s>
