24FLASH SYNCHRONIZATIONThe Nikonos II is designed to synchronize with almost all types offlashbulbs at all shutter speeds and with electronic flash at speedsup to 1/60 second. The synchro socket on the camera baseplatehas an FP contact for use with type M, FP and MF flashhulbs andan X contact for electronic flash. The table below shows whichshutter speeds may be used with different types of flashbulbs.An accessory flash unit adapter makes possible the use of aregular flash unit or electronic flash on land. Slide the flash unitinto the accessory shoe on top of the camera. Unscrew the tripodsocket and screw in the flash unit adapter in its place. Connect thesynchro cord to the flash contact on the adapter.For underwater photography, an underwater flash unit is available.Refer to the instruction manual supplied with the unit for details.Caution: Do not submerge the camera in water with the tripod socket unscrewedunless the underwater flash connector is securely fastenedContact Flashbulb Shutter Speed500 250 125 60 30 BMFPMFElectronic FlashFPX: Synchonized : Cannot be used