Nikon SU-800 Wireless Speedlight Commander

For precision lighting control turn to the compact and portable SU-800 Wireless Speedlight Commander from Nikon. Offering highly flexible control over the SB-910, SB-900, SB-800, SB-700, SB-600, SB-500, SB-5000 and SB-R200 Speedlight units, this controller functions as a wireless commander for compatible Nikon DSLRs without a built-in Commander mode and meets the demands of all of your remote lighting needs.The SU-800 acts as a complete lighting control center by providing wireless control of up to 66 feet for an unlimited number of Speedlights for up to three groups. The lighting system you design is only limited by your creativity - from granular to grand.To ensure precise control of your specific lighting system, the SU-800 Wireless Speedlight Commander offers 4 independent channels for competitive shooting environments to prevent any potential signal confusion. It’s built-in AF assist illuminator helps you attain critical focus in low-light situations. So whether you’re shooting bugs in your backyard or supermodels in the studio, the SU-800 provides reliable, consistent, remarkable lighting for any subject you desire.SpecificationsCommander Function: YesTransmission Mode: Infrared CommunicationTransmission Range:SB-800/SB-600: 66 ft (20 m) (approx.)SB-R200: 13 ft (4 m) along the optical axis (approx.)Transmission Wavelength: 800-1,000 mmNumber of Transmissions: 1,200 (approx.)Transmission Interval: 1 sec. (approx.)Lens Coverage: 60° (vertical) and 78° (horizontal)Required Power Source: One 3V CR123A lithium batteryWireless Communication Channels: Four: 1, 2, 3 and 4 ChannelsWireless Groups: Three: A, B and CApprox. Dimensions (Width x Height x Depth): 2.7 in. (68 mm) x 3.8 in. (96 mm) x 2.3 in. (58 mm)Approx. Weight (Without Batteries): 5.6 oz. (160 g) Nikon SU-800 Wireless Speedlight Commander.