C.Fn-20 AI Servo tracking sensitivity

1 or 2: Prevents the autofocus from being thrown off by any obstacle passing between the camera and subject.

3 or 4: Effective when you want to consecutively photograph multiple subjects located at random distances.

This Custom Function does not affect the AI Servo AF tracking speed.

C.Fn-21 AI Servo continuous shooting and shooting priority

1:Shooting is possible even while focus has not been achieved. Even though the focus is not quite sharp, at least you will have a picture.

C.Fn-00 Focusing screen

0:For New Laser-matte screens.

1:For Laser-matte screens. Since the

EOS-1D Mark II’s standard focusing screen is the Ec-CIII, C.Fn- 00-1 is already set upon factory shipment.

For C.Fn-00 when you change the focusing screen, see page 166.

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