a9: Built-in AF-assist Illuminator

Choose whether the built-in AF-assist illuminator lights to assist the focus operation when lighting is poor.

Option

Description

 

The AF-assist illuminator lights when lighting is poor. AF-

 

assist illumination is only available when both of the

On

following conditions are met:

1. Single-servo autofocus is selected for focus mode (pg. 62).

(default)

2. Auto-area AF is chosen for AF-area mode (pg. 64), or

 

single-point or dynamic-area AF is chosen and the center

 

focus point is selected.

Off

The AF-assist illuminator does not light to assist the focus

operation. The camera may not be able to focus using

 

autofocus when lighting is poor.

AThe AF-Assist Illuminator

The AF-assist illuminator has a range of about 0.5–3.0 m (1 ft. 8 in.–9 ft. 10 in.); when using the illuminator, use a lens with a focal length of 24– 200 mm and remove the lens hood.

ASee Also

See page 355 for restrictions on the lenses that can be used with AF assist.

U

273

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Nikon 920162, D300OUTFIT, D300BODY user manual A9 Built-in AF-assist Illuminator, 273, AF-Assist Illuminator
Page 298 Page 300

D300BODY, 920162, D300OUTFIT specifications

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