<s>
The	O
Canon	B-Algorithm
EOS-1V	I-Algorithm
is	O
a	O
35mm	O
single-lens	B-Algorithm
reflex	I-Algorithm
camera	I-Algorithm
from	O
Canon	O
's	O
EOS	B-Algorithm
series	O
,	O
released	O
in	O
2000	O
.	O
</s>
<s>
The	O
body	O
design	O
formed	O
the	O
basis	O
for	O
Canon	O
's	O
subsequent	O
Canon	B-Algorithm
EOS-1D	I-Algorithm
and	O
EOS-1Ds	B-Algorithm
families	O
of	O
digital	O
SLRs	B-Algorithm
.	O
</s>
<s>
Canon	O
used	O
the	O
suffix	O
'	O
v	O
 '	O
because	O
the	O
camera	O
introduced	O
the	O
fifth	O
generation	O
of	O
Canon	O
professional	O
SLRs	B-Algorithm
,	O
after	O
the	O
Canon	B-Algorithm
F-1	I-Algorithm
and	O
New	B-Algorithm
F-1	I-Algorithm
,	O
the	O
Canon	O
T90	O
,	O
and	O
earlier	O
EOS	B-Algorithm
1	O
models	O
;	O
Canon	O
also	O
stated	O
that	O
the	O
'	O
v	O
 '	O
stands	O
for	O
"	O
vision	O
"	O
.	O
</s>
<s>
The	O
EOS	B-Algorithm
1V	O
was	O
the	O
fastest	O
moving-mirror	O
film	O
camera	O
ever	O
put	O
into	O
production	O
at	O
the	O
time	O
it	O
was	O
introduced	O
,	O
at	O
10	O
frames/second	O
with	O
the	O
PB-E2	O
power	O
drive	O
booster	O
and	O
the	O
NP-E2	O
Ni-MH	O
battery	O
pack	O
.	O
</s>
<s>
(	O
Although	O
the	O
1nRS	O
has	O
a	O
higher	O
frame	O
rate	O
,	O
it	O
used	O
a	O
fixed	O
pellicle	B-Algorithm
mirror	I-Algorithm
rather	O
than	O
a	O
moving	O
mirror	O
)	O
.	O
</s>
<s>
Only	O
the	O
latest	O
professional	O
digital	O
cameras	O
are	O
faster	O
,	O
for	O
example	O
the	O
Canon	B-Algorithm
EOS-1D	I-Algorithm
X	I-Algorithm
Mark	I-Algorithm
II	I-Algorithm
with	O
16fps	O
.	O
</s>
