SB-900 AF Speedlight

• Commander Function
  Yes
   
• Remote Function
  Yes
   
• Guide Number
  34 m/111.5 ft. (at ISO 100, 35mm zoom head position, in FX format, standard illumination pattern, 20°C/68°F) to 48 m/157.5 ft. (at ISO 200, 35mm zoom head position, in FX format, standard illumination pattern, 20°C/68°F)
   
• Electronic Construction
  Automatic Insulated Gate Bipolar Transistor (IGBT) and series circuitry
   
• Flash Exposure Control
  Distance-priority manual flash
  i-TTL Balanced Fill-Flash with CLS compatible cameras
  Manual Flash (with Nikon Creative Lighting System digital and 35mm SLR cameras)
   
• Lens Coverage
  8 to 11mm (DX-format, Automatic mode with built-in wide-angle panel deployed)
  12 to 17mm (FX-format, Automatic mode with built-in wide-angle panel deployed)
  12 to 200mm (DX-format, Automatic mode)
  17 to 200mm (FX-format, Automatic mode)
   
• Illumination pattern
  The light distribution angle is automatically adjusted to the camera's image area in both FX and DX formats
  Standard
  Even
  Center-weighted
   
• Other Available Functions
  Test Firing
  Monitor Pre-flashes
  AF-assist illuminator
  Modeling illuminator
   
• Bounce Function (Tilt)
  Flash head tilts down to -7° or up to 90° with click-stops at -7°, 0°, 45°, 60°, 75°, 90°.
   
• Bounce Function (Rotate)
  Flash head rotates horizontally 180° to the left and right with click-stops at 0°, 30°, 60°, 75°, 90°, 120°, 150°, 180°
   
• Minimum Recycling Time
  2.3 sec. (approx.) with Ni-MH (2600 mAh) batteries
  3.0 sec. (approx.) with Oxyride™ (1.5V) batteries
  4.0 sec. (approx.) with Alkaline-manganese (1.5V) batteries
  4.5 sec. (approx.) with Lithium (1.5V) batteries
   
• Flash Duration
  1/880 sec. at M 1/1 (full) output
  1/1100 sec. at M 1/2 output
  1/2550 sec. at M 1/4 output
  1/5000 sec. at M 1/8 output
  1/10000 sec. at M 1/16 output
  1/20000 sec. at M 1/32 output
  1/35700 sec. at M 1/64 output
  1/38500 sec. at M 1/128 output
   
• Power ON/OFF
  Rotate the Power ON/OFF switch to turn the SB-900 on or off.
   
• Required Power Source
  Four 1.2V Ni-MH (AA-size) batteries
  Four 1.5V Alkaline-manganese (AA-size) batteries
  Four 1.5V Lithium (AA-size) batteries
   
• Optional Power Supply
  SK-6 Power Bracket Unit
  SD-8A High-Performance Battery Pack
  SD-9 High-Performance Battery Pack
   
• Flash-ready Indicator
  Rear and Front lights blink: Insufficient light for correct exposure (in i-TTL, Auto Aperture flash, Non-TTL Auto flash, or Distance-priority manual flash operations).
  Rear lights up and Front blinks: recycled and ready to fire.
   
• Ready Light
  Front
  Back
   
• Flash Compensation
  –3.0 EV to +3.0 EV in increments of 1/3 steps in i-TTL auto flash, Auto Aperture flash, Non-TTL auto flash and Distance-priority manual flash modes
   
• Custom Setting
  AF-Assist Illumination
  Modeling Illuminator
  Monitor pre-flashes
  Test firing
   
• Minimum Number of Flashes / Recycling Time
  110/4.0 – 30 sec. (1.5V Alkaline-manganese)
  125/3.0 –30 sec. (1.5V Oxyride™)
  165/2.3–30 sec. (Ni-MH (eneloop))
  190/2.3–30 sec. (2600mAh Ni-MH)
  230/4.5–120 sec. (1.5V Lithium)
   
• Wireless Flash Modes
  Master
  Master (RPT)
  Off
  Remote
  SU-4
   
• Wireless Communication Channels
  Four: 1, 2, 3 and 4 Channels
   
• Wireless Groups
  Three: A, B and C
   
• Other Functions
  Firmware update
  ISO sensitivity setting
  Key lock
  Recalling the underexposure value in the TTL auto flash mode
  Resetting the settings
  Thermal cut-out
   
• Dimensions
  3.0 x 5.7 x 4.7 in. (78.0 x 146.0 x 118.5mm) (Approx.)
   
• Weight (Approx. without batteries)
  14.6 oz. (415g)
   
• Supplied Accessories
  • AS-21 Speedlight Stand
  • SW-13H Diffusion Dome
  • SJ-900 Color Filter Set
  • SZ-2 Color Filter Holder
  • SS-900 Soft Case