317The SB-910, SB-900, SB-800, SB-700, SB-600, SB-500, and SB-400provide red-eye reduction, while the SB-910, SB-900, SB-800, SB-700,SB-600, and SU-800 provide AF-assist illumination with the followingrestrictions:• SB-910 and SB-900: AF-assist illumination is availablewhen 17–135 mm AF lenses are used with the focuspoints shown at right.• SB-800, SB-600, and SU-800: AF-assistillumination is available when 24–105 mmAF lenses are used with the focus pointsshown at right.• SB-700: AF-assist illumination is available when 24–135 mm AF lenses are used with the focus pointsshown at right.Depending on the lens used and scene recorded, the in-focus indicator(I) may be displayed when the subject is not in focus, or the cameramay be unable to focus and the shutter release will be disabled.In mode P, the maximum aperture (minimum f-number) is limitedaccording to ISO sensitivity, as shown below:Maximum aperture at ISO equivalent of:100 200 400 800 1600 3200 6400 128004 4.8 5.6 6.7 8 9.5 11 13If the maximum aperture of the lens is smaller than given above, themaximum value for aperture will be the maximum aperture of the lens.24–34 mm35–49 mm50–105 mm
