Canon PowerShot V10 Vlog Camera (Black) - Manual (Page 84)

Caution
Stabilization from the Digital IS setting may be less effective at some movie
recording sizes.
Consider setting to [
Off ] when using a tripod.
Depending on the subject and shooting conditions, subject blur may be noticeable
(subjects may look out of focus momentarily) due to the effect of the Digital IS
setting.
Images look more grainy due to the Digital IS setting, which magnifies images.
Noise, dots of light, etc. may also become noticeable.
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