Nikon D70 Manual

Contents

Nikon D70 Manual Manual pdf 82 page image

72Taking Photographs—FocusThe AF-Assist IlluminatorThe built-in AF assist illuminator enables thecamera to focus even when the subject is poorlylit. To use the illuminator, AF-S must be selectedfor Custom Setting 2 (Autofocus; 139), anAF-Nikkor lens must be attached, and the centerfocus area must be selected or closest subject priority in effect. If theseconditions are met and the subject is poorly lit, the illuminator will light auto-matically to assist the autofocus operation when the shutter-release button ispressed halfway. The AF-assist illuminator is not available in (Landscape),(Sports), and (Night landscape) modes.For the AF-assist illuminator to function correctly, the lens must have a focallength of 24–200 mm and the subject must be in range of the illuminator.Lens hoods should be removed. With most lenses, the illuminator has arange of about 0.5–3 m (1´8˝–9´10˝). With the following lenses, autofocuswith AF-assist illumination is not available at ranges under 1 m (3´3˝):• AF Micro ED 200 mm f/4• AF-S DX ED 12–24 mm f/4• AF-S ED 17–35 mm f/2.8• AF ED 18–35 mm f/3.5–4.5• AF-S DX 18–70 mm f/3.5–4.5• AF 20–35 mm f/2.8• AF ED 24–85 mm f/2.8–4• AF ED 24–85 mm f/3.5–4.5• AF-S VR ED 24–120 mm f/3.5–5.6• AF 24–120 mm f/3.5–5.6• AF ED 28–200 mm f/3.5–5.6• AF Micro ED 70–180 mm f/4.5–5.6With the following lenses, AF assist is not available at ranges under 2 m (6´7˝):• AF-S ED 28–70 mm f/2.8 • AF-S DX ED 17–55 mm f/2.8AF assist is not available with the following lenses:• AF-S VR ED 70–200 mm f/2.8• AF-S ED 80–200 mm f/2.8• AF ED 80–200 mm f/2.8• AF VR ED 80–400 mm f/4.5–5.6• AF-S VR ED 200–400 mm f/4If an optional SB-800 or SB-600 Speedlight is used, the camera AF-assist il-luminator will turn off and the Speedlight illuminator will be used instead.With other Speedlights, the camera AF assist illuminator will be used.4—AF Assist ( 141)This option can be used to turn the AF-assist illuminator off.