13
Buttons and Dials
Depth-of-field preview button
Preview depth of field.
Focus-mode selector
Modes S and C (autofocus)
The camera focuses using autofocus (AF) when shutter-release
button is pressed halfway.
In mode S (single-servo AF), focus locks
when the camera focuses.
In mode C (continuous-servo AF), the
camera continues to adjust focus until the shutter is released
(pg. 39).
Mode M (manual)
Focus is adjusted manually using the lens focusing ring.