Nikon SB-900 AF Speedlight Flash for Nikon Digital SLR Cameras Highlights
Guide number: 34 meters/111.5 feet (ISO 100), 48 meters/157.5 feet (ISO 200)
Electronic construction: Automatic Insulated Gate Bipolar Transistor (IGBT) and series circuitry
Flash exposure control: Slow sync; red-eye reduction in slow sync; front curtain sync; rear curtain sync; rear-curtain slow sync; 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, 0, 45, 60, 75, and 90 degrees
Bounce function (rotate): Flash head rotates horizontally 180 degrees to the left and right, with click stops at 0, 30, 60, 90, 120, 150, and 180 degrees
Minimum recycling time: 4 seconds with alkaline-manganese (1.5 volts); 4.5 seconds with lithium (1.5 volts); 3 seconds with Oxyride (1.5 volts); 2.3 seconds with Ni-MH (2,600 mAh)
Flash duration: 1/880 second at M1/1 (full) output; 1/1,000 second at M1/2 output; 1/2,550 second at M1/4 output; 1/5,000 second at M1/8 output; 1/10,000 second at M1/16 output; 1/20,000 second at M1/32 output; 1/35,700 second at M1/64 output; 1/38,500 second at M1/128 output
Required power source: 4 AA-type batteries in the following types: alkaline-manganese (1.5 volts), lithium (1.5 volts), or Ni-MH (1.2 volts)
ISO range: 100 to 6,400
Optional power supply: SD-9 high-performance battery pack, SD-8A high-performance battery pack, or SK-6 power bracket unit
Ready light: Yes
Minimum number of flashes: 110 with alkaline-manganese (1.5 volts); 230 with lithium (1.5 volts); 190 with Ni-MH (2,600 mAh)
Wireless flash modes: Off, master, master (repeating), remote, and SU-4
Wireless communication channels: 4
Wireless groups: 3
Dimensions: 3 x 5.7 x 4.7 inches (W x H x D)
Weight: 14.6 ounces
Package includes:
Nikon SB-900 AF Speedlight Flash, AS-21 Speedlight Stand, SW-13H Diffusion Dome, SJ-900 Color Filter Set, SZ-2 Color Filter Holder, SS-900 Soft Case