1977-80. AI lens mount. (2- MS76) Same as F2 Photomic, except F2A model (with DP-11 finder) can use AI lenses. Manual metering. Center weighted averaging metering pattern that takes 60% of the reading from the center 12mm circle in the finder. Hot shoe can be added with optional accessory AS-1. PC sync terminal, shutter speed range 10 sec to 1/2000 plus T & B, flash sync at 1/80, self timer. ASA range 12- 6400. Mulit exposure capability, mirror lockup, interchangable prisms and focusing screens, removable back, DOF preview, flash ready light in finder. All shutter speeds mechanical; batteries needed only for flash ready signal or optional meter/finder. Optional ACCESSORIES: Motordrives MD-1, MD-2, MD-3. Backs: MF-1, MF-2, MF-3, MF-10. Recommeded flash: DC-7, SB7E, SB5.