103Menu Guide❚❚ Auto FP High-Speed SyncWhen 1/320 s (Auto FP) or 1/250 s (Auto FP) is selected forCustom Setting e1 (Flash sync speed, 0 102), the built-in flashcan be used at shutter speeds as fast as 1/320 s or 1/250 s, whilecompatible optional flash units can be used at any shutter speed(Auto FP High-Speed Sync).Flash sync speed 1/320 s (Auto FP) 1/250 s (Auto FP) 1/250 sShutter speedBuilt-inflashOptionalflashunitBuilt-inflashOptionalflashunitBuilt-inflashOptionalflashunitFrom 1/8000 to but notincluding 1/320 s — Auto FP — Auto FP — —From 1/320 to but notincluding 1/250 s Flash sync * — Auto FP — —1/250 –30 s Flash sync* Flash range drops as shutter speed increases. Flash range will nevertheless be greater than thatobtained at the same speeds with Auto FP.