Nikon D7100 Product Manual - Page 151
Aperture, Sensitivity, and Flash Range, See Also, Flash sync speed, Flash shutter speed
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A Aperture, Sensitivity, and Flash Range Flash range varies with sensitivity (ISO equivalency) and aperture. Aperture at ISO equivalent of 100 200 400 800 1600 3200 6400 1.4 2 2.8 4 5.6 8 11 2 2.8 4 5.6 8 11 16 2.8 4 5.6 8 11 16 22 4 5.6 8 11 16 22 32 5.6 8 11 16 22 32 - 8 11 16 22 32 - - 11 16 22 32 - - - 16 22 32 - - - - Approximate range m ft 0.7-8.5 2 ft 4 in.-27 ft 11 in. 0.6-6.0 2 ft-19 ft 8 in. 0.6-4.2 2 ft-13 ft 9 in. 0.6-3.0 2 ft-9 ft 10 in. 0.6-2.1 2 ft-6 ft 11 in. 0.6-1.5 2 ft-4 ft 11 in. 0.6-1.1 2 ft-3 ft 7 in. 0.6-0.8 2 ft-2 ft 7 in. The built-in flash has a minimum range of 0.6 m (2 ft). 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 2.8 3.5 4 5 5.6 7.1 8 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. A See Also See page 125 for information on locking flash value (FV) for a metered subject before recomposing a photograph. For information on auto FP high-speed sync and choosing a flash sync speed, see Custom Setting e1 (Flash sync speed, 0 244). For information on choosing the slowest shutter l speed available when using the flash, see Custom Setting e2 (Flash shutter speed, 0 245). For information on flash control and using the built-in flash in commander mode, see Custom Setting e3 (Flash cntrl for built-in flash, 0 246). See page 303 for information on using optional flash units. 123