Nikon 13284 Benutzerhandbuch

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Refer to the Speedlight manual for detailed instructions. If the flash unit supports CLS, refer 
to the section on CLS-compatible digital SLR cameras. The D3100 is not included in the 
“digital SLR” category in the SB-80DX, SB-28DX, and SB-50DX manuals.

If an optional flash unit is attached in shooting modes other than 

j, the flash will fire with 

every shot, even in modes in which the built-in flash can not be used (

l and m).

i-TTL flash control can be used at ISO sensitivities between 100 and 3200. At values over 
3200, the desired results may not be achieved at some ranges or aperture settings. If the 
flash-ready indicator blinks for about three seconds after a photograph is taken, the flash has 
fired at full power and the photograph may be underexposed.

When an SC-series 17, 28, or 29 sync cable is used for off-camera flash photography, correct 
exposure may not be achieved in i-TTL mode. We recommend that you choose spot 
metering to select standard i-TTL flash control. Take a test shot and view the results in the 
monitor.

In i-TTL, use the flash panel or bounce adapter provided with the flash unit. Do not use other 
panels such as diffusion panels, as this may produce incorrect exposure.

If the controls on the optional SB-900, SB-800, SB-600, or SU-800 flash unit are used to set 
flash compensation, 

Y will appear in the information display.

The SB-900, SB-800, SB-600, and SB-400 provide red-eye reduction, while the SB-900, SB-800, 
SB-600, and SU-800 provide AF-assist illumination with the following restrictions:
• SB-900: AF-assist illumination is available for all focus 

points; with 17–135 mm AF lenses, however, autofocus 
is available only with the focus points shown at right.

• SB-800, SB-600 and SU-800: With 24–105 mm AF lenses, AF-

assist illumination is available only with the focus points 
shown at right.

With other flash units, the camera AF-assist illuminator is 
used for AF-assist illumination and red-eye reduction.