Nikon 1713 Instruction Manual - Page 25

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 Landscape mode or g Sports Continuous mode. • Focal length of the usable AF Nikkor lens is 24-200mm and 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 49). • When the optional Speedlight SB-80DX, SB-50DX, SB-28/28DX, SB-27, SB-26, SB-25 or SB-24 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 92). 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. 48 Cancelling AF-Assist Illuminator AF-Assist Illuminator automatically turns on in the conditions mentioned on the previous page. To cancel AF-Assist Illuminator (i.e., when the subject feels the illumination is too bright), lightly press the shutter release button while pressing the AF-Assist Illuminator cancel button. However, the correct focus may not be achieved without AF-Assist Illuminator. • Lenses incompatible with AF-Assist Illuminator Autofocus using the camera's AF-Assist Illuminator cannot be performed due to vignetting with the following lenses. NOTE: Lenses incompatible with AF-Assist Illuminator • Lens with autofocus using the camera's AF-Assist Illuminator cannot be performed due to vignetting at a shooting distance less than 1m. AF Micro 200mm f/4 IF-ED AF-S 17-35mm f/2.8 IF-ED AF 18-35mm f/3.5-4.5 ED AF 20-35mm f/2.8 IF AF 24-85mm f/2.8-4 AF 24-120mm f/3.5-5.6 IF AF Micro 70-180mm f/4.5-5.6 ED • Lens with autofocus using the camera's AF-Assist Illuminator cannot be performed due to vignetting at a shooting distance less than 1.5m. AF-S 28-70mm f/2.8 IF-ED at 70mm (usable at approx. 1m or longer at wideangle) • Lens with autofocus using the camera's AF-Assist Illuminator cannot be performed 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 49 DETAILED OPERATION