<s>
The	O
Pentax	B-Device
Q	I-Device
series	I-Device
is	O
a	O
series	O
of	O
mirrorless	B-Device
interchangeable-lens	I-Device
cameras	I-Device
made	O
by	O
Pentax	B-Application
and	O
introduced	O
in	O
2011	O
with	O
the	O
initial	O
model	O
Pentax	B-Application
Q	O
.	O
,	O
it	O
was	O
the	O
world	O
's	O
smallest	O
,	O
lightest	O
interchangeable	O
lens	O
digital	O
camera	O
.	O
</s>
<s>
The	O
first	O
models	O
used	O
a	O
1/2.3	O
"	O
(	O
6.17	O
x	O
4.55mm	O
)	O
back-illuminated	B-Algorithm
sensor	I-Algorithm
CMOS	B-Device
image	B-Algorithm
sensor	I-Algorithm
.	O
</s>
<s>
The	O
Pentax	B-Application
Q	O
and	O
Q10	O
sensors	O
have	O
a	O
crop	O
factor	O
of	O
5.53	O
×	O
while	O
the	O
Pentax	B-Application
Q7	O
and	O
Q-s1	O
have	O
a	O
crop	O
factor	O
of	O
4.65	O
×	O
.	O
</s>
<s>
The	O
original	O
Pentax	B-Application
Q	O
sensor	O
has	O
a	O
12.4	O
megapixels	O
with	O
1.52µm	O
pixel	O
pitch	O
.	O
</s>
<s>
All	O
Pentax	B-Device
Q	I-Device
system	I-Device
cameras	O
have	O
a	O
short	O
flange	O
focal	O
distance	O
(	O
FFD	O
)	O
of	O
9.2mm	O
.	O
</s>
<s>
An	O
additional	O
implication	O
of	O
these	O
relatively	O
large	O
crop	O
factors	O
is	O
that	O
depth	O
of	O
field	O
(	O
DOF	O
)	O
is	O
proportionally	O
increased	O
relative	O
to	O
full-frame	O
systems	O
at	O
the	O
same	O
equivalent	O
focal	O
length	O
and	O
aperture	O
;	O
this	O
puts	O
the	O
Pentax	B-Device
Q	I-Device
system	I-Device
cameras	O
at	O
a	O
distinct	O
advantage	O
when	O
capturing	O
as	O
much	O
as	O
possible	O
with	O
acceptable	O
focus	O
is	O
important	O
.	O
</s>
<s>
Pentax	B-Device
Q	I-Device
system	I-Device
cameras	O
do	O
not	O
have	O
a	O
mechanical	O
shutter	O
or	O
neutral	O
density	O
filter	O
in	O
the	O
camera	O
body	O
.	O
</s>
<s>
The	O
short	O
flange	O
focal	O
distance	O
of	O
the	O
Pentax	B-Device
Q	I-Device
series	I-Device
enables	O
lenses	O
from	O
many	O
manufacturers	O
to	O
be	O
adapted	O
to	O
it	O
,	O
including	O
Olympus	O
OM	O
,	O
Canon	O
FD	O
,	O
Minolta	O
,	O
M42	O
screw	O
mount	O
,	O
M39	O
Leica	O
,	O
C-Mount	O
,	O
D-Mount	O
,	O
Pentax	B-Application
K	O
,	O
and	O
Pentax	B-Application
6×7	O
.	O
</s>
<s>
A	O
Pentax	B-Application
adapter	O
with	O
a	O
synchronized	O
shutter	O
for	O
Pentax	B-Algorithm
K-mount	I-Algorithm
lenses	O
was	O
released	O
in	O
October	O
2012	O
.	O
</s>
<s>
The	O
Pentax	B-Application
Q	O
also	O
features	O
a	O
"	O
blur	O
control	O
"	O
mode	O
to	O
provide	O
a	O
pseudo	O
shallow	O
focus	O
effect	O
when	O
desired	O
.	O
</s>
<s>
Eight	O
lenses	O
have	O
been	O
released	O
in	O
the	O
Pentax	B-Device
Q	I-Device
system	I-Device
.	O
</s>
<s>
Aperture	O
Leaf	O
ShutterFilter	O
Diameter	O
Year	O
Pentax	B-Application
01	O
Standard	O
Prime	O
AF/MF	O
,	O
single-focal	O
8.5	O
mm	O
47	O
mm	O
39	O
mm	O
1.9	O
8	O
yes40.5mm	O
2011	O
Pentax	B-Application
02	O
Standard	O
Zoom	O
AF/MF	O
,	O
varifocal	O
5	O
–	O
15	O
mm	O
27.5	O
–	O
83	O
mm	O
23	O
–	O
69	O
mm	O
2.8-4.5	O
8	O
yes40.5mm	O
2011	O
Pentax	B-Application
03	O
Fisheye	O
MF	O
,	O
single-focal	O
3.2	O
mm	O
17.5	O
mm	O
16.5	O
mm	O
5.6	O
5.6	O
non/a	O
2011	O
Pentax	B-Application
04	O
Toy	O
Lens	O
Wide	O
MF	O
,	O
single-focal	O
6.3	O
mm	O
35	O
mm	O
33	O
mm	O
7.1	O
7.1	O
non/a	O
2011	O
Pentax	B-Application
05	O
Toy	O
Lens	O
Telephoto	O
MF	O
,	O
single-focal	O
18	O
mm	O
100	O
mm	O
94	O
mm	O
8	O
8	O
non/a	O
2011	O
Pentax	B-Application
06	O
Telephoto	O
Zoom	O
AF/MF	O
,	O
varifocal	O
15	O
–	O
45	O
mm	O
83	O
–	O
249	O
mm	O
69	O
–	O
207	O
mm	O
2.8	O
8.0	O
yes40.5mm	O
2012	O
Pentax	B-Application
07	O
Mount	O
Shield	O
Lens	O
Fixed	O
focus	O
,	O
single	O
focal	O
11.5	O
mm	O
63.5	O
mm	O
53	O
mm	O
9	O
9	O
non/a	O
2013	O
Pentax	B-Application
08	O
Wide	O
Zoom	O
AF/MF	O
,	O
varifocal	O
3.8-5.9	O
mm	O
21	O
–	O
32.5	O
mm	O
17.5	O
–	O
27	O
mm	O
3.7	O
-	O
4	O
7.1	O
-	O
8	O
yes49.0mm	O
2013	O
Pentax	B-Application
Adapter	O
Q	O
for	O
K-Mount	B-Algorithm
Lens	O
n/a	O
*See	O
below**Approx	O
.	O
</s>
