364nFlash ContactsThe D300 is equipped with an accessory shoe for attachingoptional flash units directly to the camera and a sync terminal thatallows flash units to be connected via a sync cable.❚❚ The Accessory ShoeUse the accessory shoe to mount optionalflash units directly on the camera without async cable (pg. 358). The accessory shoe isequipped with a safety lock for Speedlightswith a locking pin, such as the SB-900, SB-800,SB-600, and SB-400.❚❚ The Sync TerminalA sync cable can be connected to the syncterminal as required. Do not connectanother flash unit via a sync cable whenperforming rear-curtain sync flashphotography with a flash unit mounted onthe camera accessory shoe.D ISO SensitivityWhen auto ISO sensitivity control is on (pg. 96), ISO sensitivity willautomatically be adjusted as required for optimal flash output when anoptional SB-900, SB-800, SB-600, or SB-400 flash unit is attached. This mayresult in foreground subjects being underexposed in photographs takenwith the flash at slow shutter speeds, in daylight, or against a brightbackground. In these cases, choose a flash mode other than slow sync orchoose a larger aperture.
