Canon EOS 250D Advanced User's Manual page 233

Movie digital IS will not function when the lens's optical Image Stabilizer
z
switch is set to <2>.
With a lens whose focal length is longer than 800 mm, Movie digital IS will not
z
function.
Movie digital IS cannot be set in <8> or <v> mode or when Movie digital
z
zoom, time-lapse movie, or Creative filter is set.
The wider the angle of view, the more effective the image stabilization will be.
z
The narrower the angle of view, the less effective the image stabilization will
be.
When using a TS-E lens, fish-eye lens, or non-Canon lens, setting Movie
z
digital IS to [Disable] is recommended.
Effects of Movie digital IS are not applied to images during magnified display.
z
Since Movie digital IS magnifies the image, the image looks more grainy.
z
Noise, dots of light, etc. may also become noticeable.
Depending on the subject and shooting conditions, the subject may blur
z
noticeably (the subject momentarily looks out of focus) due to the effects of
the Movie digital IS.
AF point size also changes when you specify Movie digital IS.
z
When using a tripod, setting Movie digital IS to [Disable] is recommended.
z
This feature is not compatible with certain lenses. For details, refer to the
z
Canon website.
233