Shooting functions: Auto FP High-Speed sync; FV Lock flash
Lens Coverage: 17 to 200mm (FX-format, Automatic mode) 12 to 200mm (DX-format, Automatic mode) 12 to 17mm (FX-format, Automatic mode with built-in wide-angle panel deployed) 8 to 11mm (DX-format, Automatic mode with built-in wide-angle panel deployed)
Bounce Function (Tilt): Flash head tilts down to -7-degrees or up to 90-degrees with click-stops at -7-degrees, 0-degrees, 45-degrees, 60-degrees, 75-degrees, 90-degrees
Bounce Function (Rotate): Flash head rotates horizontally 180-degrees to the left and right with click-stops at 0-degrees, 30-degrees, 60-degrees, 90-degrees, 120-degrees, 150-degrees, 180-degrees
Minumum Recycling Time: 4.0 sec. with Alkaline-manganese (1.5V) 4.5 sec. with Lithium (1.5V) 3.0 sec. with OxyrideTM (1.5V) 2.3 sec. with Ni-MH (2600 mAh)
Flash Duration: 1/880 sec. at M1/1 (full) output 1/1100 sec. at M1/2 output 1/2550 sec. at M1/4 output 1/5000 sec. at M1/8 output 1/10,000 sec. at M1/16 output 1/20,000 sec. at M1/32 output 1/35,700 sec. at M1/64 output 1/38,500 sec. at M1/128 output
Required Power Source: Use four AA-type batteries of any of the following types: Alkaline-manganese (1.5V) batteries Lithium (1.5V) batteries Ni-MH (1.2V) batteries
Dimensions: Approx. 3.0 x 5.7 x 4.7 in. (78.0 x 146.0 x 118.5 mm)
Weight: Approx. 14.6 oz. (415g)
ISO Range: 100 to 6400 ISO
Optional Power Supply: SD-9 High-Performance Battery Pack SD-8A High-Performance Battery Pack SK-6 Power Bracket Unit
Ready Light: The SB-900 indicates unit is fully recycled: Rear ready-light lights up and the front light blinks. Insufficient light for correct exposure (in i-TTL, Auto Aperture flash, Non-TTL Auto flash, or Distance-priority manual flash operations): both rear and front (in remote setting) ready-lights blink.
Minimum Number of Flashes: 110 with Alkaline-manganese (1.5V) 230 with Lithium (1.5V) 190 with Ni-MH (2600 mAh) Note: When firing Speedlight at full output once every 30 seconds (120 seconds with lithium).
Wireless Flash Modes: Off Master Master (Repeating) Remote SU-4
Wireless Communication Channels: Four Channels
Wireless Groups: Three
Supplied Accessories: AS-21 Speedlight Stand, SW-13H Diffusion Dome, SJ-900 Color Filter Set, SZ-2 Color Filter Holder, SS-900 Soft Case
Note: Specifications and equipment are subject to change without any notice or obligation on the part of the manufacturer.