<s>
The	O
Fujifilm	B-Device
FinePix	I-Device
S3	I-Device
Pro	I-Device
is	O
an	O
interchangeable	O
lens	O
digital	B-Device
single-lens	I-Device
reflex	I-Device
camera	I-Device
introduced	O
in	O
February	O
2004	O
.	O
</s>
<s>
Its	O
successor	O
,	O
the	O
Finepix	B-Algorithm
S5	I-Algorithm
Pro	I-Algorithm
,	O
was	O
released	O
on	O
25	O
September	O
2006	O
.	O
</s>
<s>
It	O
is	O
based	O
on	O
a	O
Nikon	B-Algorithm
F80	I-Algorithm
(	O
N80	O
in	O
the	O
U.S.	O
)	O
viewfinder	O
,	O
shutter	O
,	O
mirror-box	O
and	O
autofocus	O
modules	O
surrounded	O
by	O
a	O
Fujifilm	O
body	O
that	O
includes	O
its	O
own	O
proprietary	O
CCD	B-Algorithm
image	O
sensor	O
and	O
electronics	O
,	O
and	O
a	O
vertical	O
grip	O
shutter	O
release	O
.	O
</s>
<s>
It	O
has	O
a	O
Nikon	B-Algorithm
F	I-Algorithm
lens	O
mount	O
and	O
can	O
use	O
most	O
lenses	O
made	O
for	O
35	O
mm	O
Nikon	B-Algorithm
SLR	B-Algorithm
cameras	I-Algorithm
,	O
but	O
only	O
with	O
manual	O
operation	O
with	O
Nikon	B-Algorithm
AIS	O
lenses	O
,	O
unusually	O
for	O
a	O
digital	B-Device
SLR	I-Device
the	O
S3	B-Device
Pro	I-Device
can	O
be	O
used	O
with	O
a	O
manual	O
cable	O
release	O
.	O
</s>
<s>
Designated	O
the	O
Super	B-Algorithm
CCD	I-Algorithm
SR	O
,	O
it	O
is	O
unique	O
in	O
two	O
ways	O
.	O
</s>
<s>
First	O
,	O
like	O
its	O
predecessors	O
used	O
in	O
the	O
earlier	O
FinePix	B-Device
S1	I-Device
Pro	I-Device
and	O
FinePix	B-Device
S2	I-Device
Pro	I-Device
,	O
it	O
has	O
its	O
photodiodes	O
oriented	O
diagonally	O
rather	O
than	O
horizontally	O
and	O
vertically	O
as	O
in	O
all	O
other	O
DSLR	B-Device
cameras	I-Device
.	O
</s>
<s>
This	O
allows	O
the	O
use	O
of	O
a	O
sophisticated	O
interpolation	B-Algorithm
system	O
that	O
produces	O
an	O
output	O
image	O
equivalent	O
to	O
12.1	O
megapixels	O
.	O
</s>
<s>
Second	O
,	O
it	O
uses	O
two	O
photodiodes	O
in	O
each	O
photo	O
site	O
when	O
capturing	O
an	O
image	O
at	O
full	O
resolution	O
,	O
with	O
a	O
primary	O
sensor	O
providing	O
the	O
normal	O
sensitivity	O
of	O
a	O
CCD	B-Algorithm
sensor	I-Algorithm
and	O
another	O
which	O
is	O
smaller	O
and	O
less	O
sensitive	O
.	O
</s>
<s>
On	O
August	O
9	O
,	O
2006	O
,	O
Fujifilm	O
announced	O
a	O
variation	O
of	O
the	O
S3	B-Device
Pro	I-Device
capable	O
of	O
photographing	O
in	O
the	O
ultraviolet	O
and	O
(	O
principally	O
)	O
infrared	O
spectra	O
,	O
the	O
Fujifilm	B-Device
FinePix	I-Device
S3	I-Device
Pro	I-Device
UVIR	I-Device
.	O
</s>
