A: autofocus, A1: af-c priority selection, A2: number of focus points – Nikon D5300 User Manual
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A Custom Settings: Fine-Tuning Camera Settings
When AF-C is selected for viewfinder photography (
0 51), this option controls
whether photographs can be taken whenever the shutter-release button is pressed
(release priority) or only when the camera is in focus (focus priority).
Choose the number of focus points available for manual focus-point selection.
a: Autofocus
a1: AF-C Priority Selection
G button
➜ A Custom Settings menu
Option
Description
G Release
Photos can be taken whenever the shutter-release button is pressed.
F Focus
Photos can only be taken once the camera has focused.
a2: Number of Focus Points
G button
➜ A Custom Settings menu
Option
Description
# 39 points
Choose from the 39 focus points shown at right.
A 11 points
Choose from the 11 focus points shown at right. Use
for quick focus-point selection.