Canon 100-300mm F2.8 L IS USM, Инструкция по эксплуатации

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ENG-13
8. Lens Function Buttons (AF Stop Buttons)
Use as a AF stop button
During autofocus operation, you can press an
AF stop button to temporarily pause autofocus,
and then release the button to resume.
Press an AF stop button to maintain a focusing
distance or to avoid focus search.
Press the shutter button while holding down
an AF stop button to shoot at that focusing
distance.
O O
Useful when autofocus is operating mostly in
Servo AF.
In the default settings, the lens function button
serves as a AF stop button. You can assign
different functions to the button from the
[Customize buttons] section of the camera.
Please refer to the camera’s instructions for
details.
O O
By setting the lens function/focus preset selector
switch to L-Fn, the lens function/focus preset
button can be used as the lens function button.
O O
You can assign different functions to the lens
function button from the [Customize buttons]
section of the camera. In this case, when setting
the lens function/focus preset selector switch to
L-Fn, the assigned function will also be applied
to the lens function/focus preset button.
O O
Angle positioning of the lens function buttons
is adjustable by a Canon Service Center.
(chargeable)
Lens function buttons
(AF stop buttons)
Lens function/focus preset button