<s>
The	O
Canon	B-Algorithm
EF-S	I-Algorithm
55	O
–	O
250mm	O
4	O
–	O
5.6	O
IS	O
lenses	O
are	O
a	O
series	O
of	O
telephoto	O
zoom	O
lenses	O
for	O
Canon	B-Algorithm
EOS	I-Algorithm
digital	B-Device
single-lens	I-Device
reflex	I-Device
cameras	I-Device
with	O
a	O
Canon	B-Algorithm
EF-S	I-Algorithm
lens	I-Algorithm
mount	I-Algorithm
.	O
</s>
<s>
All	O
versions	O
of	O
the	O
lens	O
provide	O
a	O
35	O
mm	O
equivalent	O
focal	B-Algorithm
length	I-Algorithm
of	O
88	O
–	O
400mm	O
,	O
and	O
are	O
advertised	O
by	O
Canon	O
as	O
providing	O
four-stop	O
image	O
stabilization	O
.	O
</s>
<s>
The	O
first	O
lens	O
was	O
released	O
in	O
America	O
in	O
mid-April	O
2008	O
for	O
a	O
retail	O
price	O
of	O
US$255	O
,	O
and	O
advertised	O
as	O
a	O
companion	O
to	O
the	O
Canon	B-Algorithm
EF-S	I-Algorithm
18	I-Algorithm
–	I-Algorithm
55mm	I-Algorithm
IS	I-Algorithm
.	O
</s>
<s>
Attribute	O
4	O
–	O
5.6	O
IS	O
4	O
–	O
5.6	O
IS	O
II	O
4	O
–	O
5.6	O
IS	O
STM	O
Image200x200pxframeless|225x225px200x200px	O
Key	O
features	O
Full-frame	B-Algorithm
compatible	I-Algorithm
15px|No	O
No	O
Image	O
stabilizer	O
15px|Yes	O
Yes	O
Environmental	O
sealing	O
15px|No	O
No	O
Ultrasonic	O
Motor	O
15px|No	O
No	O
Stepping	O
Motor	O
15px|No	O
No	O
15px|Yes	O
Yes	O
L-series	O
15px|No	O
No	O
Diffractive	O
Optics	O
15px|No	O
No	O
Macro	O
15px|No	O
No	O
Zoom	O
Lock	O
Lever	O
15px|No	O
No	O
Technical	O
data	O
Focal	B-Algorithm
length	I-Algorithm
(	O
max/min	O
)	O
55	O
–	O
250mm	O
(	O
35	O
mm	O
equivalent	O
of	O
88	O
–	O
400mm	O
)	O
Aperture	B-General_Concept
(	O
max/min	O
)	O
4	O
–	O
5.6	O
/	O
22	O
–	O
32	O
Construction	O
12	O
elements	O
/	O
10	O
groups	O
15	O
elements	O
/	O
12	O
groups	O
#	O
of	O
diaphragm	O
blades	O
7	O
(	O
circular	O
aperture	B-General_Concept
)	O
Closest	O
focusing	O
distance	O
1.1	O
m	O
(	O
3.61	O
ft	O
)	O
0.85	O
m	O
(	O
2.79	O
ft	O
)	O
Max	O
.	O
</s>
