DNotes on Optional Flash Units (Continued)

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 not available with the focus points shown in gray.

17–105 mm 106–135 mm

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

assist illumination is not available with the focus points

 

 

shown in gray.

24–34 mm

35–105 mm

With other flash units, the camera AF-assist illuminator is

used for AF-assist illumination and red-eye reduction.

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