Nikon 1799 instruction manual A1 AF-C priority, A2 AF-S priority, A3 Group dynamic AF

Custom Setting Menu—continued

a1: AF-C priority x 48

The default setting for Continuous Servo AF is release priority. However, film advance speed can be set to decrease as much as possible to ensure a correct focus. (Useful in situations such as using focus tracking under dark conditions.) Also, it can be changed to focus priority, in which the shutter can be released only when the subject is in focus

	Options:
	Release + fps: Shutter is released when the shutter release
	button is pressed
	Release + focus: Shutter is released when the shutter release
	button is pressed but film advance rate drops to ensure
	a correct focus
	Focus priority: Shutter cannot be released unless subject is
	in-focus
a2: AF-S priority	x 48

The default setting for Single Servo AF is focus priority. However, it can be changed to release priority.

Options:

Focus priority: Shutter cannot be released unless subject is in-focus

Release priority: Shutter is released when the shutter release button is pressed

a3: Group dynamic AF x 52

The pattern of the groups in Group Dynamic AF Mode can be changed.

Options:

Pattern 1 Center: Center-Subject Priority in Pattern 1

Pattern 1 Closest: Closest-Subject Priority in Pattern 1

Pattern 2 Center: Center-Subject Priority in Pattern 2

Pattern 2 Closest: Closest-Subject Priority in Pattern 2

•For the pattern of the groups of focus areas in Group Dynamic AF Mode, see page 53.

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