Focus (Viewfinder Photography); Choosing How The Camera Focuses: Focus Mode - Nikon D3300 User Manual

Focus (Viewfinder Photography)

This section describes the focus options available when
photographs are framed in the viewfinder. Focus can be
adjusted automatically or manually (see "Choosing How the
Camera Focuses: Focus Mode," below). The user can also select
the focus point for automatic or manual focus (0 80) or use
focus lock to focus to recompose photographs after focusing
(0 81).

Choosing How the Camera Focuses: Focus Mode

Choose from the following focus modes. Note that AF-S and AF-C
are available only in modes P, S, A, and M.
Option
AF-A Auto-servo AF
AF-S Single-servo AF
Continuous-
AF-C
servo AF
MF Manual focus
74 More on Photography
Camera automatically selects single-servo
autofocus if subject is stationary, continuous-
servo autofocus if subject is moving. Shutter
can only be released if camera is able to focus.
For stationary subjects. Focus locks when
shutter-release button is pressed halfway.
Shutter can only be released if camera is able
to focus.
For moving subjects. Camera focuses
continuously while shutter-release button is
pressed halfway. Shutter can only be released
if camera is able to focus.
Focus manually (0 83).
Description