Conventions Used In This Instruction - Canon EF-S 55-250mm f/4-5.6 IS Instruction

Thank you for purchasing a Canon product.
The Canon EF-S55-250mm f/4-5.6 IS II lens is a
high-performance telephoto zoom lens
equipped with an Image Stabilizer, and has
been developed for digital SLRs compatible
with EF-S lenses*.
It is equipped with an Image Stabilizer effective
for hand-held shooting at slow shutter speeds.
* As of June 2011, only the EOS 7D, EOS 60D, EOS 50D,
EOS 40D, EOS 30D, EOS 20D, EOS 20Da, EOS REBEL
T3i/600D, EOS REBEL T2i/550D, EOS REBEL T1i/500D,
EOS REBEL XSi/450D, EOS REBEL T3/1100D, EOS
REBEL XS/1000D, EOS DIGITAL REBEL XTi/400D
DIGITAL, EOS DIGITAL REBEL XT/350D DIGITAL, and
EOS DIGITAL REBEL/300D DIGITAL are compatible with
EF-S lenses.
¡"IS" stands for Image Stabilizer.

Conventions used in this instruction

Warning to prevent lens or camera
malfunction or damage.
Supplementary notes on using the lens
and taking pictures.
Features
1. The Image Stabilizer gives the equivalent
effect of a shutter speed four stops faster*.
This function provides optimal image
stabilization depending on shooting conditions
(such as shooting still subjects and following
shots).
2. UD lens elements for excellent imaging
performance.
3. Great close-ups at 1.1 m/3.6 ft at all focal
lengths.
4. A truly round aperture hole results in a nicer
background blur.
* Based on [1/(focal length x 1.6)] second. Generally,
it requires a shutter speed [1/focal length] second or
faster to prevent camera shake (in 35mm format.
With an EF-S lens, it would be [1/(focal length x
1.6)] second).
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