Nikon SB-910 - Manual (Page 124)

H–13
H
Tips on Speedlight Care and Reference Information
Specifications
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 fl ash output distance
range (in i-TTL, auto aperture
fl ash or non-TTL auto fl ash
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 fl ash mode
i-TTL •
Auto aperture fl ash •
Non-TTL auto fl ash •
Distance-priority manual fl ash •
Manual fl ash •
Repeating fl ash •
Other available functions
Test fi ring, monitor pre-fl ashes, AF-assist illumination
for multi-point AF and modeling illumination
Nikon Creative Lighting System
A number of fl ash operations are available with
compatible cameras: i-TTL mode, Advanced
Wireless Lighting, FV lock, fl ash color information
communication, auto FP high-speed sync and AF-assist
illumination for multi-point AF
Multiple fl ash-unit photography
operation Advanced Wireless Lighting •
SU-4 type wireless multiple fl ash-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