Canon EOS 90D Instruction Manual page 511

Movie digital IS will not function when the lens's optical Image Stabilizer switch
o
is set to < 2 >.
With a lens whose focal length is longer than 800 mm, Movie digital IS will not
o
function.
Movie digital IS cannot be set in < 8 > or < U > mode or when High Frame
o
Rate, time-lapse movie, or Creative fi lter is set.
The wider the angle of view, the more eff ective the image stabilization will be.
o
The narrower the angle of view, the less eff ective the image stabilization will
be.
When using a TS-E lens, fi sh-eye lens, or non-Canon lens, setting Movie
o
digital IS to [Disable] is recommended.
Eff ects of Movie digital IS are not applied to images during magnifi ed display.
o
Since Movie digital IS magnifi es the image, the image looks more grainy.
o
Noise, dots of light, etc. may also become noticeable.
Depending on the subject and shooting conditions, the subject may blur
o
noticeably (the subject momentarily looks out of focus) due to the eff ects of
the Movie digital IS.
When Movie digital IS is set, the size of AF points will also change.
o
When using a tripod, setting Movie digital IS to [Disable] is recommended.
o
Certain lenses do not support this function. For details, refer to the Canon
o
website.
Movie Digital IS
299