Canon EOS R6 Mark II Mirrorless Camera with 24-105mm f/4-7.1 Lens - Manual (Page 222)

1/250-1/60sec. auto ( )* 1
Prevents a slow shutter speed from being set automatically in low-light conditions.
Effective for preventing subject blur and camera shake. Light from the flash provides
standard exposure for subjects, but note that backgrounds may be dark.
[ : Shutter mode] Setting Shutter Speed
Mechanical 1/200–1/60 sec.
Elec. 1st-curtain 1/250–1/60 sec.
1/250 sec. (fixed) ( )* 1
Shutter speed is fixed as follows, which is more effective in preventing subject blur and
camera shake than with [
1/250-1/60sec. auto ].
[ : Shutter mode] Setting Shutter Speed
Mechanical 1/200 sec.
Elec. 1st-curtain 1/250 sec.
However, in low light, the subject's background will come out darker than with
[
1/250-1/60sec. auto ].
* 1: When set to [ Elec. 1st-curtain ].
Caution
High-speed sync is not available in < P > or < Av > mode when set to [ 1/250 sec.
(fixed) ]* 1 .
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