<s>
The	O
Canon	B-Algorithm
EF-S	I-Algorithm
17	O
–	O
85mm	O
4	O
–	O
5.6	O
IS	O
USM	O
is	O
a	O
standard	O
zoom	O
lens	O
for	O
Canon	O
digital	B-Device
single-lens	I-Device
reflex	I-Device
cameras	I-Device
with	O
an	O
EF-S	B-Algorithm
lens	I-Algorithm
mount	I-Algorithm
and	O
image	O
stabilization	O
.	O
</s>
<s>
The	O
EF-S	B-Algorithm
designation	O
means	O
it	O
can	O
only	O
be	O
used	O
on	O
EOS	O
cameras	O
with	O
an	O
APS-C	B-Algorithm
sensor	O
released	O
after	O
2003	O
.	O
</s>
<s>
The	O
field	O
of	O
view	O
has	O
a	O
35	O
mm	O
equivalent	O
focal	O
length	O
of	O
27.2	O
–	O
136mm	O
,	O
and	O
it	O
is	O
roughly	O
equivalent	O
to	O
the	O
Canon	B-Algorithm
EF	I-Algorithm
28-135mm	I-Algorithm
lens	I-Algorithm
on	O
a	O
35mm	O
film	O
SLR	O
.	O
</s>
<s>
The	O
17	O
–	O
85mm	O
was	O
bundled	O
as	O
a	O
kit	O
lens	O
with	O
the	O
EOS	B-Device
30D	I-Device
,	O
EOS	B-Device
40D	I-Device
,	O
EOS	B-Device
50D	I-Device
and	O
EOS	B-Algorithm
60D	I-Algorithm
.	O
</s>
<s>
It	O
was	O
also	O
packaged	O
with	O
the	O
EOS	B-Algorithm
400D	I-Algorithm
(	O
known	O
as	O
the	O
Digital	B-Algorithm
Rebel	I-Algorithm
XTi	I-Algorithm
in	O
North	O
America	O
)	O
as	O
an	O
alternate	O
to	O
the	O
EF-S	B-Algorithm
18	I-Algorithm
–	I-Algorithm
55mm	I-Algorithm
(	O
typically	O
labeled	O
as	O
the	O
"	O
400D	B-Algorithm
enthusiast	O
's	O
kit	O
"	O
)	O
.	O
</s>
<s>
The	O
EF-S	B-Algorithm
17	O
–	O
85mm	O
is	O
a	O
step	O
up	O
in	O
build	O
quality	O
and	O
in	O
focal	O
range	O
compared	O
to	O
the	O
EF-S	B-Algorithm
18	I-Algorithm
–	I-Algorithm
55mm	I-Algorithm
lens	O
.	O
</s>
<s>
It	O
is	O
slower	O
and	O
has	O
lower	O
image	O
and	O
build	O
quality	O
compared	O
to	O
the	O
EF-S	B-Algorithm
17	I-Algorithm
–	I-Algorithm
55mm	I-Algorithm
lens	I-Algorithm
,	O
although	O
it	O
is	O
cheaper	O
and	O
has	O
a	O
longer	O
focal	O
range	O
.	O
</s>
<s>
The	O
closest	O
lens	O
to	O
the	O
17	O
–	O
85mm	O
in	O
the	O
standard	O
EF	O
lens	O
range	O
is	O
the	O
EF	B-Algorithm
28	I-Algorithm
–	I-Algorithm
135mm	I-Algorithm
lens	I-Algorithm
,	O
which	O
has	O
the	O
equivalent	O
range	O
on	O
a	O
full-frame	O
sensor	O
,	O
similar	O
image	O
quality	O
and	O
image	O
stabilization	O
.	O
</s>
