Custom Function Settings

Remarks

This is suited for slide films which have a narrow exposure latitude.

The shutter speed and aperture can be set in the familiar full-stop increments.

Suited for negative films which have a wide exposure latitude.

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EF 50mm f/1.0L USM, EF 200mm f/1.8L USM, EF 400mm f/2.8L USM, EF 500mm f/4.5L USM, EF 1200mm f/5.6L USM,

EF 85mm f/1.2L USM, EF 300mm f/2.8L USM, EF 400mm f/2.8L II USM, EF 600mm f/4L USM,

EF 28-80mm f/2.8-4L USM.

This prevents the focus from being thrown off by inadvertent turning of the focusing ring after One-Shot AF.

When this Custom Function is set to 0 or 1 and Custom Function CF-4 is set to 1 or 3 (see page 122), the focusing ring can be used to focus before AF operation. However, this is disabled with this setting.

*When this Custom Function is set to 1 or 2, you must first set the lens focus switch to MF (or M) to focus manually.

You can see how many frames are left in the roll.

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Canon EOS-3 manual 113