Nikon D800 - Manual (Page 401)

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AF-Assist Illumination
AF-assist illumination is available with lenses with focal lengths of 24–
200 mm. It can not however be used to assist the focus operation with
the following lenses:
• AF-S VR Nikkor 200mm f/2G IF-ED
• AF-S NIKKOR 200mm f/2G ED VR II
• AF-S VR Zoom-Nikkor 200–400mm
f/4G IF-ED
• AF-S NIKKOR 200–400mm f/4G ED
VR II
At ranges under 0.7 m (2 ft 4 in.), the following lenses may block the AF-
assist illuminator and interfere with autofocus when lighting is poor:
• AF-S NIKKOR 16–35mm f/4G ED VR
• AF-S Zoom-Nikkor 17–35mm
f/2.8D IF-ED
• AF-S DX Zoom-Nikkor 17–55mm
f/2.8G IF-ED
• AF-S DX NIKKOR 18–200mm f/3.5–
5.6G ED VR II
• AF-S NIKKOR 24–70mm f/2.8G ED
• AF-S VR Zoom-Nikkor 24–120mm
f/3.5–5.6G IF-ED
• AF-S Zoom Nikkor ED 28–70mm
f/2.8D (IF)
• AF Micro-Nikkor 200mm f/4D IF-ED
At ranges under 1.1 m (3 ft 7 in.), the following lenses may block the AF-
assist illuminator and interfere with autofocus when lighting is poor:
• AF-S NIKKOR 24–120mm f/4G ED
VR
• AF-S NIKKOR 28–300mm f/3.5–5.6G
ED VR
• AF-S DX Zoom-Nikkor 55–200mm
f/4–5.6G ED
At ranges under 1.5 m (4 ft 11 in.), the following lenses may block the AF-
assist illuminator and interfere with autofocus when lighting is poor:
• AF-S NIKKOR 14–24mm f/2.8G ED
• AF-S VR Zoom-Nikkor ED 70–
200mm f2.8G (IF)
• AF-S NIKKOR 70–200mm f/2.8G ED
VR II
• AF Zoom-Nikkor 70–300mm f/4–
5.6G
• AF Zoom-Nikkor 80–200mm f/2.8D
ED
• AF-S Zoom-Nikkor 80–200mm
f/2.8D IF-ED
At ranges under 2.3 m (7 ft 7 in.), the following lenses may block the AF-
assist illuminator and interfere with autofocus when lighting is poor:
• AF VR Zoom-Nikkor 80–400mm f/4.5–5.6D ED