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