Electronic construction

Automatic Insulated Gate Bipolar Transistor (IGBT) and series circuitry

Guide number (at 35 mm zoom head position, in FX format, standard illumination pattern, 20°C/68°F)

34/111.5 (ISO 100, m/ft), 48/157.5 (ISO 200, m/ft)

Effective flash output distance range (in i-TTL, auto aperture flash or non-TTL auto flash mode)

0.6 m to 20 m (2 ft to 66 ft) (varies depending on camera's image area setting, illumination pattern, ISO sensitivity, zoom head position, and lens aperture in use)

Illumination pattern

There are three illumination patterns: standard, even, center-weighted The light distribution angle is automatically adjusted to the camera's image area in both FX and DX formats

Available flash mode

i-TTL Auto aperture flash Non-TTL auto flash Distance-priority manual flash Manual flash Repeating flash

Other available functions

Test firing, monitor pre-flashes, AF-assist illumination for multi-point AF and modeling illumination

Nikon Creative Lighting System

A number of flash operations are available with compatible cameras: i-TTL mode, Advanced Wireless Lighting, FV lock, flash color information communication, auto FP high-speed sync and AF-assist illumination for multi-point AF

Multiple flash-unit photography operation

Advanced Wireless Lighting SU-4 type wireless multiple flash-unit photography

Flash exposure control set on the camera

Camera's sync modes: slow sync, red-eye reduction slow sync, front-curtain sync, rear-curtain sync, rear-curtain slow sync Photography functions: auto FP high-speed sync, FV lock, red-eye reduction

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°, 75°, 90°, 120°, 150°, 180°

Power ON/OFF

Rotate the power switch/wireless mode switch for multiple flash units to turn the SB-910 on or off Standby function can also be set

Power source

Use four AA-size batteries of the same brand from any of the following types: 1.5 V LR6 (AA-size) alkaline batteries 1.5 V FR6 (AA-size) lithium batteries 1.2 V HR6 (AA-size) rechargeable Ni-MH batteries

Flash-ready indicator

The SB-910 is fully recycled: lights up Insufficient flash output for correct exposure (in i-TTL, auto aperture flash, non-TTL auto flash or distance-priority manual flash mode): blinks

Flash-ready indicator (in remote mode)

The SB-910 is fully recycled: blinks Insufficient flash output for correct exposure (in i-TTL, auto aperture flash or non-TTL auto flash mode, or AUTO mode in SU-4 type wireless multiple flash-unit photography): blinks

Flash duration (approx.)

1/880 sec. at M1/1 (full) output 1/1100 sec. at M1/2 output 1/2550 sec. at M1/4 output 1/5000 sec. at M1/8 output 1/10000 sec. at M1/16 output 1/20000 sec. at M1/32 output 1/35700 sec. at M1/64 output 1/38500 sec. at M1/128 output

Mounting foot lock lever

Provides secure attachment of the SB-910 to camera's accessory shoe using locking plate and locking pin to prevent unintentional detachment

Flash compensation

-3.0 EV to +3.0 EV in increments of 1/3 EV steps in i-TTL, auto aperture flash, non-TTL auto flash or distance-priority manual flash mode

Custom settings

19 items

Other functions

ISO sensitivity manual setting, redisplay of underexposure amount from insufficient flash output in i-TTL mode, reset to the default settings, key lock, thermal cut-out, firmware update

Dimensions (W x H x D)

Approx. 78.5 x 145 x 113 mm (3.1 x 5.7 x 4.4 in.)

Weight

Approx. 510 g (18 oz) (with four 1.5 V LR6 (AA-size) alkaline batteries) Approx. 420 g (14.8 oz) (Speedlight only)

Accessories supplied

Speedlight Stand AS-21, Nikon Diffusion Dome SW-13H, Fluorescent Filter SZ-2FL, Incandescent Filter SZ-2TN, Soft Case SS-910