Canon EOS 6D Mark II (no lens included) 业主指南

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页码 870
132
f
: Selecting the AF OperationN
This AF operation is suited for 
moving subjects when the focusing 
distance keeps changing. While you 
hold down the shutter button halfway, 
the camera will keep focusing on the 
subject continuously.
 
The exposure is set at the moment the picture is taken.
 
When the AF area selection mode (p.139) is set to Automatic 
selection AF, focus tracking will continue as long as the Area AF 
frame covers the subject.
AI Focus AF switches the AF 
operation from One-Shot AF to AI 
Servo AF automatically if a still 
subject starts moving.
 
After the subject is focused in One-Shot AF, if the subject starts 
moving, the camera will detect the movement, change the AF 
operation automatically to AI Servo AF, and start tracking the moving 
subject.
AI Servo AF for Moving Subjects
AI Focus AF for Switching the AF Operation Automatically
With AI Servo AF, the beeper will not sound even when focus is achieved. 
Also, the focus indicator <o> in the viewfinder will not light up.
When focus is achieved with AI Focus AF with the Servo operation active, 
the beeper will continue beeping softly. However, the focus indicator <o> in 
the viewfinder will not light up. Note that focus lock is not possible in this 
case.