Canon EOS 7D Mark II Instruction Manual page 119

23: One Shot
Lens electronic MF
With the following USM and STM lenses equipped with an electronic
focusing ring, you can set whether to use electronic manual focusing.
EF50mm f/1.0L USM
EF85mm f/1.2L USM
EF85mm f/1.2L II USM
EF200mm f/1.8L USM
EF40mm f/2.8 STM
EF-S10-18mm f/4.5-6.3 IS STM EF-S18-135mm f/3.5-5.6 IS STM
OFF: Disable in AF mode
When the lens's focus mode switch is set to <AF>, manual focusing
is disabled.
EF300mm f/2.8L USM
EF400mm f/2.8L USM
EF400mm f/2.8L II USM
EF500mm f/4.5L USM
EF-S18-55mm f/3.5-5.6 IS STM EF-S55-250mm f/4-5.6 IS STM
: Enable after One-Shot AF
After AF operates, if you keep
pressing the shutter button halfway,
you can adjust the focus manually.
: Disable after One-Shot AF
After AF operates, manual focusing
adjustment is disabled.
3 Customizing AF FunctionsN
EF600mm f/4L USM
EF1200mm f/5.6L USM
EF28-80mm f/2.8-4L USM
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