Nikon F75D Instruction Manual - Page 26

AF-Assist Illuminator

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AF-Assist Illuminator When the subject is dark and the shutter release button is pressed lightly, the camera's AF-Assist Illuminator automatically turns on and enables autofocus operation in a dark environment. Approx. 0.5-3m • AF-Assist Illuminator automatically turns on in the following situations: Focus mode is autofocus, AF Nikkor lens is used, subject is dark and centre focus area is selected or Dynamic AF Mode with Closest-Subject Priority is activated. • AF-Assist Illuminator does not turn on in d or g. • Focal length of the usable AF Nikkor lens is 24- 200mm. • The distance range of the AF-Assist Illuminator is approx. 0.5-3m. Autofocus using the camera's AFAssist Illuminator cannot be performed due to vignetting with some lenses at a shooting distance less than 1m (page 51). • When the optional Speedlight with AF-Assist Illuminator is attached and the conditions for the AF-Assist Illumination are met, the AF-Assist Illuminator of the optional Speedlight automatically turns on. With other optional Speedlights, the camera's Illuminator turns on (page 109). ç 12 : AF-Assist Illuminator can be cancelled (p. 76). NOTE: Continuous use of the AF-Assist Illuminator When the AF-Assist Illuminator is used continuously, illumination is limited temporarily to protect the firing tube. The illumination restarts after a few moments. Also, when the AF-Assist Illuminator is used repeatedly in a short period of time, be careful not to touch the AF-Assist Illuminator lamp because it may become hot. 50 NOTE: Lenses incompatible with AF-Assist Illuminator • Autofocus using the camera's AF-Assist Illuminator cannot be performed with following lenses at a shooting distance within 1m due to vignetting. AF Micro 200mm f/4 IF-ED AF-S 17-35mm f/2.8 ED AF 18-35mm f/3.5-4.5 ED AF 20-35mm f/2.8 IF AF 24-85mm f/2.8-4 IF AF 24-120mm f/3.5-5.6 IF AF Micro 70-180mm f/4.5-5.6 ED • Autofocus using the camera's AF-Assist Illuminator cannot be performed with following lens at a shooting distance within 1.5m at telephoto due to vignetting. AF-S 28-70mm f/2.8 IF-ED at 70mm (usable at approx. 1m or longer shooting distance at wideangle) • Autofocus using the camera's AF-Assist Illuminator cannot be performed with following lenses due to vignetting. AF-S 80-200mm f/2.8 IF-ED AF 80-200mm f/2.8 ED AF VR 80-400mm f/4.5-5.6 ED www.mynikon.com.pl 51 FOCUS OPERATION

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50
51
AF-Assist Illuminator
When the subject is dark and the shutter release button is pressed lightly, the
camera’s AF-Assist Illuminator automatically turns on and enables autofocus
operation in a dark environment.
NOTE: Continuous use of the AF-Assist Illuminator
When the AF-Assist Illuminator is used continuously, illumination is limited temporarily
to protect the firing tube. The illumination restarts after a few moments. Also, when
the AF-Assist Illuminator is used repeatedly in a short period of time, be careful not to
touch the AF-Assist Illuminator lamp because it may become hot.
• AF-Assist Illuminator automatically turns on in the
following situations:
Focus mode is autofocus, AF Nikkor lens is used,
subject is dark and centre focus area is selected or
Dynamic AF Mode with Closest-Subject Priority is
activated.
• AF-Assist Illuminator does not turn on in
d
or
g
.
• Focal length of the usable AF Nikkor lens is 24-
200mm.
• The distance range of the AF-Assist Illuminator is
approx. 0.5-3m. Autofocus using the camera’s AF-
Assist Illuminator cannot be performed due to
vignetting with some lenses at a shooting distance
less than 1m (page 51).
• When the optional Speedlight with AF-Assist
Illuminator is attached and the conditions for the
AF-Assist Illumination are met, the AF-Assist
Illuminator of the optional Speedlight automatically
turns on. With other optional Speedlights, the
camera’s Illuminator turns on (page 109).
ç 12
: AF-Assist Illuminator can be cancelled
(p. 76).
Approx. 0.5-3m
FOCUS OPERATION
NOTE: Lenses incompatible with AF-Assist Illuminator
• Autofocus using the camera’s AF-Assist Illuminator cannot be performed with
following lenses at a shooting distance within 1m due to vignetting.
AF Micro 200mm f/4 IF-ED
AF-S 17-35mm f/2.8 ED
AF 18-35mm f/3.5-4.5 ED
AF 20-35mm f/2.8 IF
AF 24-85mm f/2.8-4 IF
AF 24-120mm f/3.5-5.6 IF
AF Micro 70-180mm f/4.5-5.6 ED
• Autofocus using the camera’s AF-Assist Illuminator cannot be performed with
following lens at a shooting distance within 1.5m at telephoto due to vignetting.
AF-S 28-70mm f/2.8 IF-ED at 70mm (usable at approx. 1m or longer shooting
distance at wideangle)
• Autofocus using the camera’s AF-Assist Illuminator cannot be performed with
following lenses due to vignetting.
AF-S 80-200mm f/2.8 IF-ED
AF 80-200mm f/2.8 ED
AF VR 80-400mm f/4.5-5.6 ED
www.mynikon.com.pl