Nikon D810 Product Manual - Page 219
See Also, Aperture, Sensitivity, and Flash Range, Maximum aperture at ISO equivalent of, Range
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A See Also See page 198 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, 0 329). For information on choosing the slowest shutter speed available when using the flash, see Custom Setting e2 (Flash shutter speed, 0 331). For information on flash control and using the built-in flash in commander mode, see Custom Setting e3 (Flash cntrl for built-in flash, 0 331). See page 428 for information on using optional flash units. A Aperture, Sensitivity, and Flash Range Flash range varies with sensitivity (ISO equivalency) and aperture. Maximum aperture at ISO equivalent of Range 64 100 200 400 800 1600 3200 6400 12800 m ft - 1.4 2 2.8 4 5.6 8 11 16 0.7-8.5 2ft 4in.-27ft 10in. 1.6 2 2.8 4 5.6 8 11 16 22 0.6-6.0 2ft-19ft 8in. 2.2 2.8 4 5.6 8 11 16 22 32 0.6-4.2 2ft-13ft 9in. 3.2 4 5.6 8 11 16 22 32 - 0.6-3.0 2ft-9ft 10in. 4.5 5.6 8 11 16 22 32 - - 0.6-2.1 2ft-6ft 10in. 6.3 8 11 16 22 32 - - - 0.6-1.5 2ft-4ft 11in. 9 11 16 22 32 - - - - 0.6-1.1 2ft-3ft 7in. 13 16 22 32 - - - - - 0.6-0.8 2ft-2ft 7in. The built-in flash has a minimum range of 0.6 m (2 ft). In exposure mode e, the maximum aperture (minimum f-number) is limited according to ISO sensitivity, as shown below: Maximum aperture at ISO equivalent of: 64 100 200 400 800 1600 3200 6400 12800 2.5 2.8 3.5 4 5 5.6 7.1 8 10 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. 195