Nikon D5000 - Manual (Page 219)

201
n
D
Notes 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: Active 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.
• SB-800, SB-600 and SU-800: With 24–105 mm AF lenses, active
AF-assist illumination is not available with the focus
points shown in gray.
With other flash units, the camera AF-assist illuminator is
used for AF-assist illumination and red-eye reduction.
17–105 mm 106–135 mm
24–34 mm 35–105 mm