Nikon SB-900 - Manual (Page 130)

F–14
F
Ti
ps on Speedlight care and reference information
Specifications
Electronic construction
Automatic Insulated Gate Bipolar Transistor (IGBT) and
series circuitry
Guide number (at 35 mm zoom
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)
Flash shooting distance range
(TTL auto fl ash/Auto Aperture
fl ash/Non-TTL auto fl ash) 0.6 m to 20 m (2 to 66 ft.) (varies depending on camera's
image area setting, illumination pattern, ISO sensitivity, zoom
position, and lens aperture in use)
Illumination pattern
There are three types of llumination pattern: standard, even
and 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
TTL
Auto Aperture fl ash
Non-TTL auto fl ash
Distance-priority manual fl ash
Manual fl ash
Repeating fl ash •
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Other available functions
Test fi ring, monitor pre-fl ashes, AF-assist illuminator, and
Modeling illuminator
Nikon Creative Lighting
System
A variety of fl ash operations are available with compatible
cameras: i-TTL mode, Advanced Wireless Lighting, FV Lock
fl ash, Flash color information communication, Auto FP High-
Speed sync, and Wide-area AF-Assist Illuminator
Multiple fl ash operation
Advanced Wireless Lighting
SU-4 type wireless multiple fl ash •
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Flash exposure control set on
the camera
Camera’s sync. modes: Slow-sync, Red-eye reduction in slow-
sync, Front-curtain sync, Rear-curtain sync, Rear-curtail slow-
sync
Shooting functions: Auto FP High-Speed sync, FV Lock fl ash
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 ON/OFF
Rotate the Power ON-OFF switch to turn the SB-900 on or off
Standby function can be set
Power source
Use four AA-type batteries of any of the following types:
Alkaline-manganese (1.5V) batteries
Lithium (1.5V) batteries
Oxyride
TM (1.5V) batteries
Ni-MH (1.2V) batteries
For minimum number of fl ashes and recycling time of each
battery, see F-21.
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