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Canon EF 200-400mm f/4L IS USM Extender 1.4X Instruction page 15

Image stabilizer
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Tips on Using the Image Stabilizer
The Image Stabilizer cannot compensate for a
blurred shot caused by a subject that moved.
Set the STABILIZER switch to OFF when you
● ●
are taking pictures using the Bulb setting (long
exposures). If the STABILIZER switch is set to ON,
the image stabilizer function may introduce errors.
The Image Stabilizer might not be fully effective
in the following cases:
• You shoot from a violently moving vehicle.
• You move the camera dramatically for a
panning shot in Mode 1.
The Image Stabilizer consumes more power
than normal shooting, so fewer shots can be
taken if you use the function.
The image stabilizer operates for about two
seconds even when your finger is off the
shutter button. Do not remove the lens while
the stabilizer is in operation. This will cause a
With the EOS-1V/HS, 3, ELAN 7E/ELAN
7/30/33, ELAN 7NE/ELAN 7N/30V/33V, ELAN II/
ELAN II E/50/50E, REBEL 2000/300, IX, IX Lite/
IX7, and D30, the Image Stabilizer will not work
during self-timer operation.
Please refer to the Camera/Extender Compatibility
● ●
Chart (p.25) for information regarding IS operation
when using external extenders.
Using a tripod also stabilizes the image.
However, depending on the kind of tripod and
shooting conditions, sometimes it may be better
to turn off the Image Stabilizer function.
The stabilizer is equally effective for hand-
held photography and photography with a
monopod. The Image Stabilizer effect may be
reduced, however, depending on the shooting
Depending on the camera there may be image
shake, such as after releasing the shutter.
However, this does not affect shooting.
If you set the camera's Custom Function to
change the assigned button to operate the AF,
the Image Stabilizer will operate when you press
the newly assigned AF button.



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