Nikon D7200 body - Manual (Page 341)

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The SB-910, SB-900, SB-800, SB-700, SB-600, SB-500, 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
when 17–135 mm AF lenses are used with the focus
points shown at right.
• SB-800, SB-600, and SU-800: AF-assist
illumination is available when 24–105 mm
AF lenses are used with the focus points
shown at right.
• SB-700: AF-assist illumination is available when 24–
135 mm AF lenses are used with the focus points
shown 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 camera
may be unable to focus and the shutter release will be disabled.
In 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.
24–34 mm
35–49 mm
50–105 mm