Справочник Пользователя для Nikon D7200

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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