Canon RF 35mm F1.8 MACRO IS STM Instructions Manual page 11

Image Stabilizer
The Image Stabilizer for this lens is suited to hand-held shots in the following conditions.
Panning shots of
z
vehicles, trains, etc.
In semi-darkened areas such as indoors or
z
outdoors at night.
In locations where a flash cannot be used,
z
such as art museums and theater stages.
In situations where your footing is uncertain.
z
In situations where fast shutter speed settings
z
cannot be used.
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