Nikon D7500 Reference Manual - English - Page 102

e: Bracketing/Flash e1: Flash Sync Speed G button ➜ A Custom Settings menu This option controls flash sync speed. Option Description Auto FP high-speed sync is used when a compatible flash unit is attached. If the built-in flash or other flash units are 1/320 s used, shutter speed is set to 1/320 s. When the camera (Auto FP) shows a shutter speed of 1/320 s in mode P or A, auto FP high-speed sync will be activated if the actual shutter speed is faster than 1/320 s. Auto FP high-speed sync is used when a compatible flash 1/250 s (Auto FP) unit is attached. If the built-in flash or other flash units are used, shutter speed is set to 1/250 s. When the camera shows a shutter speed of 1/250 s in mode P or A, auto FP high-speed sync will be activated if the actual shutter speed is faster than 1/250 s. 1/250 s-1/60 s Flash sync speed set to selected value. A Fixing Shutter Speed at the Flash Sync Speed Limit To fix shutter speed at the sync speed limit in mode S or M, select the next shutter speed after the slowest possible shutter speed (30 s or %). An X (flash sync indicator) will be displayed in the viewfinder and control panel together with the flash sync speed. A Auto FP High-Speed Sync Auto FP high-speed sync allows the flash to be used at the highest shutter speed supported by the camera, making it possible to choose the maximum aperture for reduced depth of field even when the subject is backlit in bright sunlight. The information display flash mode indicator shows "FP" when auto FP high-speed sync is active. 102 Menu Guide