Canon EOS 90D DSLR Camera with 18-135mm Lens - Manual (Page 217)

217
ISO Speed Settings for Still Photos
Minimum Shutter Speed for ISO Auto
This can help reduce camera shake and subject blur in <
d
> or <
f
>
mode when shooting moving subjects with a wide-angle lens, or when using
a telephoto lens.
1 Select [Min. shutter spd.].
Automatically set 2 Set the desired minimum shutter
speed.

If you select
[Auto]
, turn the <
6
> dial
to set a slower or faster speed, then
press <
0
>.
Manually set 
If you select [Manual] , turn the <
6
>
dial to select the shutter speed, then
press <
0
>.
o If a correct exposure cannot be obtained with the maximum ISO speed limit
set with [Auto range] , a shutter speed slower than the [Min. shutter spd.] will
be set to obtain the standard exposure.
o This function will not be applied to fl ash photography and movie recording.
o When [Auto(Standard)] is set, the minimum shutter speed will be the
reciprocal of the lens focal length. A single step from [Slower] to [Faster] is
equivalent to a single stop of the shutter speed.