| 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 |
| These performance specifications are applicable when fresh batteries are used at normal temperatures (20°C/68°F). |
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