Nikon SB-800 Autofocus Speedlight

The Nikon SB-800 high-performance Speedlight has a guide number of 38/125 (ISO 100, m/ft.) (at the 35mm zoom-head position) Dependent on the camera and lens combination used you can perform various types of TTL auto flash. There’s also Non-TTL auto flash and Manual flash. 


A power zoom function automatically adjusts the zoom-head position to match the lens focal length (with the exception of some camera/lens combinations). There’s a range of 24mm, 28mm, 35mm to 105mm in increments of 5mm between 35mm and 105mm when the power zoom function is activated. And when the built-in wide-flash adapter is used the zoom-head position is automatically set to match a 14mm or 17mm lens. 
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The flash head tilts up to 90° or down to –7° and rotates horizontally 180° to the left and 90° to the right, enabling bounce flash or close-up flash photography 
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The SB-800 features the Nikon Creative Lighting System (CLS) offering additional features when the SB-800 is used with compatible Nikon cameras. These include i-TTL mode, Advanced Wireless Lighting, Flash Value Lock , Flash Color Information Communication , Auto FP High-Speed Sync and a Wide-Area AF-Assist Illuminator .

Flash duration is: 1/1050 sec. at M1/1 (full) output 1/1100 sec. at M1/2 output 1/2700 sec. at M1/4 output 1/5900 sec. at M1/8 output 1/10900 sec. at M1/16 output 1/17800 sec. at M1/32 output 1/32300 sec. at M1/64 output 1/41600 sec. at M1/128 output. It’s powered by 4xAA battery