Nikon Df Users Manual - Page 142

The SB-910, SB-900, SB-800, SB-700, SB-600, and SB-400 provide red-eye reduction, while the SB-910, SB-900, SB-800, SB-700, SB-600, and SU-800 provide AF-assist illumination with the following restrictions: • SB-910 and SB-900: AF-assist illumination is available with 17-135 mm AF lenses, 17-19 mm 20-105 mm 106-135 mm however, autofocus is available only with the focus points shown at right. • SB-800, SB-600, and SU-800: AF- assist illumination is available with 24-105 mm AF lenses, 24-34 mm 35-49 mm 50-105 mm however, autofocus is available only with the focus points shown at right. • SB-700: AF-assist illumination is available with 24-135 mm AF lenses, however, autofocus is 24-135 mm available only with the focus points shown at right. In exposure mode P, the maximum aperture (minimum f-number) is limited according to ISO sensitivity, as shown below: Maximum aperture at ISO equivalent of: 100 200 400 800 1600 3200 6400 12800 4 4.8 5.6 6.7 8 9.5 11 13 If the maximum aperture of the lens is smaller than given above, the maximum value for aperture will be the maximum aperture of the lens. l 122