Focus Mode Switch; Focusing Distance Range Selector Switch; Focusing Ring - Canon RF 100-500mm F4.5-7.1 L IS USM Instructions Manual

2. Setting the Focus Mode

Focusing ring

Focus mode switch

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 turning the focusing ring may result in
z
delayed focus.
The lens' focusing ring is electronic.
z
When AF operation is set to [ONE SHOT],
z
manual focus is possible after autofocusing has
been completed by continuing to press the shutter
button halfway. (Full-time manual focus) However,
the camera settings need to be changed. Please
refer to the camera's instructions for details.
3. Setting the Focusing
Distance Range

Focusing distance range selector switch

You can set the focusing distance range with a
switch. Setting the focusing distance prevents
the lens from focusing on unintentional subjects
at different distances.
Focusing distance range
1. FULL
The minimum focusing distance differs
depending on the distance set for lens
focusing.
Set at 100 mm: 0.9 m/2.95 ft. - ∞
Set at 300 mm: 1 m/3.28 ft. - ∞
Set at 500 mm: 1.2 m/3.94 ft. - ∞
2. 3 m/9.84 ft. - ∞
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