<s>
The	O
EF	B-Application
28	O
–	O
300mm	O
f/3.5	O
–	O
5.6L	O
IS	O
USM	O
lens	O
is	O
a	O
superzoom	O
lens	O
made	O
by	O
Canon	O
Inc	O
.	O
</s>
<s>
The	O
lens	O
has	O
an	O
EF-type	O
mount	O
,	O
which	O
fits	O
the	O
Canon	B-Algorithm
EOS	I-Algorithm
line	O
of	O
cameras	O
.	O
</s>
<s>
When	O
used	O
on	O
a	O
digital	B-Application
EOS	B-Algorithm
body	O
with	O
a	O
field	O
of	O
view	O
compensation	O
factor	O
of	O
1.3x	O
,	O
such	O
as	O
the	O
Canon	B-Algorithm
EOS-1D	I-Algorithm
Mark	I-Algorithm
III	I-Algorithm
,	O
it	O
provides	O
a	O
narrow	O
field	O
of	O
view	O
,	O
equivalent	O
to	O
a	O
36	O
–	O
390mm	O
lens	O
mounted	O
on	O
a	O
35mm	O
frame	O
body	O
.	O
</s>
<s>
With	O
a	O
1.6x	O
body	O
such	O
as	O
the	O
Canon	B-Algorithm
EOS	I-Algorithm
400D	I-Algorithm
,	O
it	O
provides	O
a	O
narrower	O
field	O
of	O
view	O
,	O
equivalent	O
to	O
a	O
45	O
–	O
480mm	O
lens	O
mounted	O
on	O
a	O
35mm	O
frame	O
body	O
.	O
</s>
