Nikon Camera F3AF - Manual (Page 77)

Accessory Shoe
®
Located at the base of the rewind knob @i, the accessory shoe
allows direct mounting of a Nikon dedicated flash unit, such as
the SB-12, SB-16A or SB-17. To mount other direct-mounting
flash units (having either an ISO- or Nikon F2-type mounting
foot) to the FSAF’s accessory shoe, a Nikon Flash Unit Coupler
is required (for details, refer to page 56.) The accessory shoe
also accepts accessory cords, such as the SC-12 and SC-13, for
convenient flash photography with Nikon bracket-mounting
units, such as the SB-11 and 14.
Three electrical contacts ® on the accessory shoe provide for
synchronization of the flash unit, automatic TTL output control,
and ready-light indication (via an LED) in the camera's view­
finder, plus auto switching to the proper synchronization speed
of 1/80sec.