Canon EOS 90D, Advanced User'S Manual

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562
Custom Function Setting Items
C.Fn II-5: AI Servo 2nd image priority
With AI Servo AF for continuous shooting, you can preset the AF operation
characteristics and shutter-release timing for the subsequent shots after the
fi rst shot in continuous shooting.

Equal priority
Equal priority is given to focusing and continuous shooting speed. In low
light or with low-contrast subjects, continuous shooting speed may slow
down.

Shooting speed priority
Priority is given to the continuous shooting speed instead of achieving
focus.

Focus priority
Priority is given to achieving focus instead of the continuous shooting
speed. The picture will not be taken until focus is achieved.
o
Even if
[Shooting speed priority]
is set, under shooting conditions that
activate fl icker reduction (
=
261), the continuous shooting speed may
become slower or the shooting interval may become irregular.
o
If focus cannot be achieved in low-light conditions when
[Equal priority]
is
set, setting
[Focus priority]
may give better results.