Setting The Focus Mode - Canon EF300mm F2.8L IS USM Instructions Manual

2. Setting the Focus
Mode
AF
STABILIZER
To shoot in autofocus mode, set the focus mode
switch to AF.
To use only manual focusing, set the focus
mode switch to MF, and focus by turning the
focusing ring.
MF
3. Switching the
Focusing Range
2.5m 6.4m
2.5m
AF
MF
The focusing range can be selected by this
switch to suit the shooting situation. This can
reduce the time needed for autofocusing.
Lens
EF300mm f/2.8L IS USM
EF400mm f/2.8L IS USM
EF500mm f/4L IS USM
EF600mm f/4L IS USM
6.4m
Ranges
2.5 m/8.2 ft. – ∞
2.5 m/8.2 ft. – 6.4 m/21.0 ft.
6.4 m/21.0 ft. – ∞
3 m/9.8 ft. – ∞
3 m/9.8 ft. – 10 m/32.8 ft.
10 m/32.8 ft. – ∞
4.5 m/14.8 ft. – ∞
4.5 m/14.8 ft. – 10 m/32.8 ft.
10 m/32.8 ft. – ∞
5.5 m/18.0 ft. – ∞
5.5 m/18.0 ft. – 16.2 m/53.2 ft.
16.2 m/53.2 ft. – ∞
ENG-5