Canon EOS R5 C VR Creator Kit with RF 5.2mm f/2.8 Dual Fisheye Lens - Manual (Page 285)

Note
If focus is not achieved, the AF point will turn orange. With One-Shot AF, shooting
is not possible even by pressing the shutter button completely. Recompose the
shot and try to focus again. Or, see
Shooting Conditions That Make Focusing
Difficult .
With Servo AF, the camera shoots even when subjects are not in focus.
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