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Specifications

Electronic construction
Automatic Insulated Gate Bipolar Transistor (IGBT) and series circuitry
Guide number (20°C/68°F)
34/111.5 (ISO 100, m/ft), 48/157.5 (ISO 200, m/ft)
Illumination pattern
Three illumination patterns: standard, even and center-weighted The light distribution angle is automatically adjusted to the camera's image area in both FX and DX formats
Flash shooting distance range
0.6 m to 20 m (2 to 66 ft) (varies depending on camera image area setting, illumination pattern, ISO sensitivity, zoom position, and lens aperture)
Flash mode
TTL, Auto Aperture flash, Non-TTL auto flash, Distance-priority manual flash, Manual flash, Repeating flash
Other functions
Test firing, monitor pre-flashes, AF-assist illuminator, and Modeling illuminator
Multiple flash operation
Advanced Wireless Lighting, SU-4 type wireless multiple flash
Compatible cameras
All cameras compatible with Nikon Creative Lighting System (other cameras can be used but functionality is reduced)
Flash exposure control set on the camera
Camera's sync modes: Slow-sync, Red-eye reduction in slow-sync, Rear-curtain sync, Rear-curtain slow-sync
Bounce capability
Flash head tilts down to -7° or up to 90° with click-stops at -7°, 0°, 45°, 60°, 75°, 90° Flash head rotates horizontally 180° to the left and right with click-stops at 0°, 30°, 60°, 90°, 120°, 150°, 180°
Power source
Four AA-size alkaline-manganese (1.5V), lithium (1.5V), Oxyride (1.5V) or Ni-MH (2600 mAh) (rechargeable) (1.2V) batteries
Ready light
The SB-900 is fully recycled: Rear ready-light lights up and front light blinks Insufficient light for correct exposure (in i-TTL, Auto Aperture flash, Non-TTL Auto flash, or Distance-priority manual flash operations): ready-lights and front lights blink after shooting
Flash duration
Approx. 1/880 sec. at full output
Mounting foot lock lever
Provides secure attachment of SB-900 to camera's accessory shoe using locking plate and mount pin to prevent accidental detachment.
Dimensions (W x H x D)
Approx. 78.0 x146.0 x 118.5 mm (3.0 x 5.7 x 4.7 in.)
Weight (without batteries)
Approx. 415 g (14.6 oz.)
Supplied accessories
Speedlight Stand AS-21, Nikon Diffusion Dome SW-13H, Color Filter Set SJ-900, Color Filter Holder SZ-2, Soft Case SS-900
  • *These performance specifications are applicable when fresh batteries are used at normal temperature (20°C/68°F). Specifications and design are subject to change without notice.
  • *Oxyride Battery is a registered trademark of Matsushita Electric Industrial Co., Ltd. Products and brand names are trademarks or registered trademarks of their respective companies.
  • *Specifications and equipment are subject to change without any notice or obligation on the part of the manufacturer. July 2008