Nikon D50 - Manual (Page 98)

88
Custom Settings
Setup
2: Autofocus
Choose from:
1: Beep
At the default setting of On, a beep will sound
while the release timer is running in self-timer and
delayed remote modes (
22), when a photograph
is taken in quick-response remote mode ( 22), or
when the camera has focused in single-servo AF (
88). The beep will not sound when Off is selected.
The current setting is shown in the control panel:
for On and for Off.
Option Description
AF-A
(default)
Camera selects AF-S or AF-C mode automatically according to shoot-
ing conditions and whether the subject is moving.
AF-S
Single-servo AF . Focus locks when shutter-release button is pressed
halfway. Use with stationary subjects.
AF-C
Continuous-servo AF. Camera focuses continuously while shutter-re-
lease button is pressed halfway; AF-assist illuminator turns off. Use
with moving subjects.
This option takes effect only in P, S, A, and M
modes. The current autofocus mode is shown in
the control panel when AF-S or AF-C is selected.
No icon is displayed in AF-A mode.
Focus Lock (Continuous-Servo AF)
The button can be used to lock focus when AF-C is selected.