<s>
The	O
Nikon	B-Algorithm
D100	I-Algorithm
is	O
a	O
discontinued	O
6-megapixel	O
digital	B-Device
single-lens	I-Device
reflex	I-Device
camera	I-Device
made	O
by	O
Nikon	B-Algorithm
Corporation	I-Algorithm
and	O
designed	O
as	O
a	O
consumer	O
alternative	O
to	O
the	O
professional	O
D1	O
series	O
cameras	O
.	O
</s>
<s>
It	O
was	O
the	O
precursor	O
of	O
both	O
the	O
more	O
advanced	O
D70	B-Algorithm
and	O
D200	B-Algorithm
cameras	O
with	O
the	O
former	O
continuing	O
the	O
consumer	O
offerings	O
and	O
the	O
latter	O
beginning	O
an	O
advanced	O
consumer	O
and	O
professional	O
lineup	O
.	O
</s>
<s>
The	O
D70	B-Algorithm
kept	O
the	O
controls	O
which	O
the	O
D100	O
inherited	O
from	O
the	O
F80	O
film	O
camera	O
,	O
which	O
has	O
evolved	O
into	O
the	O
current	O
D7500	O
and	O
D750	O
offerings	O
,	O
in	O
cropped	O
frame	O
and	O
full	O
frame	O
respectively	O
.	O
</s>
<s>
The	O
D200	B-Algorithm
adopted	O
the	O
controls	O
of	O
the	O
D1	O
series	O
.	O
</s>
<s>
It	O
was	O
introduced	O
on	O
February	O
21	O
,	O
2002	O
at	O
the	O
Photo	O
Marketing	O
Association	O
Annual	O
Convention	O
and	O
Trade	O
Show	O
as	O
a	O
direct	O
competitor	O
to	O
the	O
Canon	B-Device
EOS	I-Device
D60	I-Device
.	O
</s>
<s>
With	O
a	O
price	O
of	O
US$	O
1,999	O
for	O
the	O
body	O
only	O
in	O
the	O
United	O
States	O
,	O
it	O
was	O
the	O
second	O
6-megapixel	O
DSLR	B-Device
to	O
break	O
the	O
$2000	O
barrier	O
,	O
after	O
the	O
EOS	B-Device
D60	I-Device
.	O
</s>
<s>
Although	O
the	O
name	O
D100	O
suggested	O
that	O
it	O
was	O
a	O
digital	O
version	O
of	O
the	O
Nikon	B-Algorithm
F100	I-Algorithm
,	O
the	O
camera	O
design	O
more	O
closely	O
resembles	O
the	O
Nikon	B-Algorithm
F80	I-Algorithm
(	O
also	O
known	O
as	O
Nikon	B-Algorithm
N80	I-Algorithm
in	O
the	O
United	O
States	O
)	O
,	O
which	O
is	O
a	O
much	O
more	O
consumer-oriented	O
camera	O
than	O
the	O
professional	O
F100	O
.	O
</s>
<s>
In	O
the	O
Spring	O
of	O
2004	O
Nikon	B-Algorithm
released	O
the	O
D70	B-Algorithm
,	O
which	O
offered	O
superior	O
features	O
to	O
the	O
D100	O
at	O
a	O
lower	O
price	O
of	O
$999	O
.	O
</s>
<s>
However	O
,	O
Nikon	B-Algorithm
continued	O
to	O
produce	O
the	O
D100	O
until	O
2005	O
when	O
a	O
more	O
advanced	O
and	O
professional-oriented	O
successor	O
,	O
the	O
Nikon	B-Algorithm
D200	I-Algorithm
,	O
was	O
released	O
.	O
</s>
<s>
Compatible	O
with	O
CompactFlash	B-Device
cards	I-Device
Type	O
I	O
and	O
Type	O
II	O
,	O
including	O
IBM	O
(	O
and	O
Hitachi	O
's	O
)	O
MicroDrive	B-Device
hard	O
drives	O
up	O
to	O
4GB	O
.	O
</s>
