1983-90, GN 82 (25/m), F3 foot mount, dedicated to all F3 series cameras. TTL auto with F3, self regulated auto at two different f/stops, manual and reduced power manual for use with motor drive. Flash head tilts up for bounce light. With AS-6 Adapter this flash can be used on any camera with standard ISO mount. Wide flash adapter SW-6 for 28mm lens coverage.