<s>
The	O
FinePix	B-Algorithm
IS	I-Algorithm
Pro	I-Algorithm
is	O
a	O
digital	B-Device
single	I-Device
lens	I-Device
reflex	I-Device
camera	I-Device
introduced	O
by	O
Fujifilm	O
in	O
2007	O
.	O
</s>
<s>
It	O
is	O
based	O
on	O
a	O
FinePix	B-Algorithm
S5	I-Algorithm
Pro	I-Algorithm
,	O
which	O
is	O
in	O
turn	O
based	O
on	O
the	O
Nikon	B-Algorithm
D200	I-Algorithm
.	O
</s>
<s>
It	O
has	O
a	O
Nikon	B-Architecture
F	I-Architecture
lens	I-Architecture
mount	I-Architecture
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
</s>
<s>
It	O
replaces	O
the	O
Fujifilm	B-Device
FinePix	I-Device
S3	I-Device
Pro	I-Device
UVIR	I-Device
.	O
</s>
<s>
Unlike	O
most	O
digital	O
cameras	O
,	O
there	O
is	O
no	O
IR	O
or	O
UV	B-Application
filtering	O
in	O
front	O
of	O
the	O
image	O
sensor	O
.	O
</s>
<s>
This	O
results	O
in	O
a	O
wide	O
spectral	O
response	O
of	O
approximately	O
1000nm	O
to	O
380nm	O
(	O
infrared	O
to	O
ultraviolet	B-Application
)	O
.	O
</s>
<s>
Suitable	O
external	O
bandpass	O
filters	O
are	O
required	O
to	O
photograph	O
in	O
IR	O
or	O
UV	B-Application
wavelengths	O
.	O
</s>
<s>
Infrared	O
filters	O
are	O
readily	O
available	O
at	O
low	O
cost	O
from	O
many	O
sources	O
,	O
but	O
ultraviolet	B-Application
filters	O
–	O
and	O
suitable	O
lenses	O
–	O
can	O
be	O
expensive	O
.	O
</s>
<s>
Photography	O
in	O
infrared	O
and	O
ultraviolet	B-Application
poses	O
its	O
own	O
special	O
challenges	O
regarding	O
exposure	O
and	O
–	O
above	O
all	O
–	O
focusing	O
a	O
SLR	B-Algorithm
camera	I-Algorithm
.	O
</s>
<s>
The	O
IS	B-Algorithm
Pro	I-Algorithm
includes	O
a	O
Live	B-Device
View	I-Device
mode	O
that	O
relays	O
what	O
the	O
sensor	O
sees	O
as	O
live	O
video	O
to	O
the	O
LCD	O
screen	O
(	O
and	O
,	O
optionally	O
,	O
via	O
USB	O
to	O
a	O
computer	O
running	O
appropriate	O
software	O
)	O
.	O
</s>
<s>
Some	O
lenses	O
have	O
separate	O
IR	O
focus	O
index	O
marks	O
,	O
which	O
help	O
,	O
but	O
few	O
if	O
any	O
have	O
UV	B-Application
marks	O
.	O
</s>
<s>
True	O
ultraviolet	B-Application
photographic	O
lenses	O
are	O
generally	O
made	O
from	O
special	O
glass	O
because	O
normal	O
optical	O
glass	O
does	O
not	O
pass	O
UV	B-Application
particularly	O
well	O
.	O
</s>
<s>
However	O
,	O
because	O
the	O
sensor	O
is	O
only	O
sensitive	O
to	O
long-wavelength	O
UV	B-Application
,	O
a	O
quartz	O
lens	O
is	O
not	O
required	O
.	O
</s>
<s>
The	O
IS	B-Algorithm
Pro	I-Algorithm
was	O
originally	O
intended	O
for	O
specialist	O
markets	O
like	O
Forensic	O
photography	O
,	O
medical	O
,	O
museum	O
and	O
fine	O
art	O
.	O
</s>
<s>
The	O
extended	O
IR	O
and	O
UV	B-Application
sensitivity	O
makes	O
them	O
useful	O
for	O
imaging	O
Ha	O
emission	O
nebulae	O
.	O
</s>
