Setting The Focus Mode; Focusing Ring - Canon EF70-300mm f/4-5.6 IS II USM Instructions Manual

3. Setting the Focus Mode

To shoot in autofocus (AF) mode, set the focus
mode switch to AF.
To use only manual focusing (MF), set the focus
mode switch to MF, and focus by turning the

focusing ring.

Quickly rotating the focusing ring may result in
● ●
delayed focus.
Manual focus adjustments are not possible when
● ●
the camera is OFF.
After autofocusing in the AF mode or AF operation
in the ONE SHOT AF mode, focus manually by
pressing the shutter button halfway and turning the
focusing ring (Full-time manual focus).
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