Nikon 4804 R1 Wireless Close-Up Speedlight System - Manual (Page 130)

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8
Specifications
Wireless Speedlight Commander SU-800
These performance specifications are applicable when a fresh battery is used at normal
temperatures (20°C/68°F).
Specifications and design are subject to change without notice.
Transmission
mode Infrared-pulse emitting communication using a flash discharge tube
Transmission
range Approx. 20m (66 ft) for SB-910/SB-900/SB-800/SB-700/SB-600
Approx. 4m (13 ft) for SB-R200 at normal settings
No. of channels 4
No. of groups 3
No. of
transmissions Approx. 1200
Transmission
interval Approx. 1 sec.
Flash light
wavelength Approx. 800 to 1000nm (infrared ray)
Flash coverage Approx. 60° (vertical), Approx. 78° (horizontal)
Display LCD, ready-light
AF-Assist
Illuminator Approx. 10m (33 ft) at center area using a 50mm f/1.8 lens
Power source One 3V CR123A lithium battery
Weight Approx. 160g (5.6 oz.)
Dimensions
(W x H x D) Approx. 68 x 96 x 58mm (2.7 x 3.8 x 2.3 in.)