The Nikon Speedlight SB-900 Specifications

Guide Number (Standard Illumination Pattern, ISO 100) At 35/200mm Zoom Positions: FX-format: 111.5/183.7; DX-format: 131.2/187

Recycling Time/Number Of Flashes: Approx. 4.0 seconds at full power with four AA alkaline-manganese (1.5v) batteries for approx. 110 flashes; approx. 2.3 seconds at full power with four AA Ni-MH (2600 mAh) batteries for approx. 190 flashes

Flash Output Level Compensation: -3.0 to +3.0 EV in 1/3 steps

Flash Modes/Other Functions: i-TTL, auto aperture flash, non-TTL auto (sensor-based) flash, distance-priority manual flash, manual flash, repeating flash, wireless flash, auto FP high-speed sync; modeling light

Angle Of Coverage/FX-Format: 17-200mm; down to 12mm with wide panel

Angle Of Coverage/DX-Format: 12-200mm; down to 8mm with wide panel

Bounce Capability: Tilts to 90? up; down to -7? (for close-ups); rotates 180? left/right

Dimensions: 3.0×5.7×4.7”

Weight: 14.6 oz

Included Accessories: Stand, diffusion dome, color filter set, color filter holder, pouch

Street Price: $469