Canon EF 300mm f/2.8L IS II USM Instructions Manual

Also see for EF 400mm f/2.8L IS II USM: Instructions Instructions Instruction Instructions Instruction

Contents

ENG-62. Setting the Focus Mode 3. Switching the FocusingDistance RangeAfter autofocusing in ONE SHOT AF mode, focusmanually by pressing the shutter button halfwayand turning the focusing ring. (Full-time manualfocus)Lens RangesEF300mm f/2.8L IS II USMFULL2 m/6.6 ft. – 6 m/19.7 ft.6 m/19.7 ft. – ∞EF400mm f/2.8L IS II USMFULL2.7 m/8.9 ft. – 7 m/23 ft.7 m/23 ft. – ∞To shoot in autofocus (AF) mode, set the focusmode switch to AF.To shoot in manual focus (MF) mode, set thefocus mode switch to MF, and focus by turningthe focusing ring. The focusing ring alwaysworks, regardless of the focus mode.To shoot in power focus (PF) mode, set thefocus mode switch to PF when the focus presetswitch (p. 8) is at OFF.Operating the playback ring enables focuschange at a set speed. This is a useful featurefor changing focus when shooting movies.You can set the focusing distance range with aswitch. By setting a suitable focusing distancerange, the actual autofocusing time will beshorter.