Nikon SB-5000 AF Speedlight Reference Manual - English - Page 185

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) 34.5/113 (ISO 100, 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 65.6 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 3 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 A number of flash operations are available with compatible cameras: i-TTL mode, Advanced Wireless Nikon Creative Lighting Lighting, modeling illumination, FV lock, Flash Color System (CLS) Information Communication, auto FP high-speed sync, AF-assist illumination for multi-point AF and unified flash control H H-20