3Customizing AF Functions

23: One Shot

USM lens electronic MF

You can set whether and how to use the electronic focusing ring when using one of the electronic focusing ring-equipped lenses below.

EF50mm f/1.0L USM

EF300mm f/2.8L USM

EF600mm f/4L USM

EF85mm f/1.2L USM

EF400mm f/2.8L USM

EF1200mm f/5.6L USM

EF85mm f/1.2L II USM

EF400mm f/2.8L II USM

EF28-80mm f/2.8-4L USM

EF200mm f/1.8L USM

EF500mm f/4.5L USM

 

: Enable after One-Shot AF

If you keep pressing the shutter button halfway after AF operation, you can focus manually.

: Disable after One-Shot AF

Manual focusing is disabled after AF operation.

OFF: Disable in AF mode

When the lens’ focus mode switch is set to [AF], manual focusing is disabled.

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