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When you use the IS lens’s built-in Image Stabilizer, camera shake is
corrected to obtain a sharper shot. The procedure explained here is
based on the EF-S18-135mm f/3.5-5.6 IS STM lens as an example.
* IS stands for Image Stabilizer.
Set the IS switch to <1>.
Set also the camera’s power switch to
Press the shutter button halfway.
The Image Stabilizer will operate.
Take the picture.
When the picture looks steady in the
viewfinder, press the shutter button
completely to take the picture.
Lens Image Stabilizer
The Image Stabilizer will not be effective if the subject moves during the
For bulb exposures, set the IS switch to <2>. If <1> is set, Image
Stabilizer misoperation may occur.
The Image Stabilizer may not be effective for excessive shaking such as
on a rocking boat.
The Image Stabilizer can operate with the lens’s focus mode switch set
to either <AF> or <MF>.
When using a tripod, you can still shoot with the IS switch set to <1>
with no problem. However, to save battery power, setting the IS switch to
<2> is recommended.
The Image Stabilizer is effective even when the camera is mounted on a
With the EF-S18-135mm f/3.5-5.6 IS STM lens, EF-S18-55mm f/3.5-5.6
IS STM lens, EF-S55-250mm f/4-5.6 IS STM lens, or EF-S18-200mm
f/3.5-5.6 IS lens, the Image Stabilizer mode will be switched
automatically to suit the shooting conditions.