196 Technical NotesThe lenses listed in this section may block the built-in flash orAF-assist illuminator under some conditions.❚❚ AF-Assist IlluminationThe AF-assist illuminator has a range of about 0.5–3.0 m (1 ft8 in.–9 ft 10 in.); when using the illuminator, use a lens with afocal length of 18–200 mm. Some lenses may block theilluminator at certain focus distances. Remove lens hoods whenusing the illuminator.AF-assist illumination is not available with the following lenses:• AF-S NIKKOR 14–24mm f/2.8G ED• AF-S NIKKOR 200mm f/2G ED VR II• AF-S VR Nikkor 200mm f/2G IF-ED• AF-S VR Zoom-Nikkor 200–400mm f/4G IF-ED• AF-S NIKKOR 200–400mm f/4G ED VR IIAt ranges under 0.7 m (2 ft 4 in.), the following lenses may blockthe AF-assist illuminator and interfere with autofocus whenlighting is poor:• 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 18–140mm f/3.5–5.6G ED VR• AF-S DX NIKKOR 18–300mm f/3.5–6.3G ED VR• AF Zoom-Nikkor 20–35mm f/2.8D IF• AF Zoom-Nikkor 24–85mm f/2.8–4D IF• AF-S NIKKOR 24–85mm f/3.5–4.5G ED VR• AF-S VR Zoom-Nikkor 24–120mm f/3.5–5.6G IF-ED• AF-S NIKKOR 35mm f/1.4G• AF Micro-Nikkor 200mm f/4D IF-EDLenses That May Block the Built-in Flashand AF-Assist Illuminator
