Manual focus – Canon EOS-1D X Mark III DSLR Camera (Body Only) User Manual
Page 402
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Manual Focus
If focus cannot be achieved with autofocus, follow the procedure below to focus manually.
Viewfinder Shooting
1.
Set the lens's focus mode switch to <
>.
2.
Focus on the subject.
Turn the lens focusing ring (1) until the subject looks sharp in the
viewfinder.
Note
The focus indicator <
> is lit when subjects are in focus as you press the shutter
button halfway in manual focusing.
With Automatic selection AF, when the center AF point achieves focus, the focus
indicator <
> will light up.
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