The FM3A accepts all of the Nikkor lenses with the Nikon F bayonet mount that support the Automatic Indexing (AI) feature (AI, AIS), first introduced in 1977 [REF].
Other accessories for the FM3A include the Nikon MD-12 motor drive (automatic film advance up to 3.2 frames per second), as well as the Nikon MF-16 databack (sequential numbering, time or date stamping on the film), and the various compatible Nikon TTL flashes (SB-15, SB-16b, SB-20, etc.) .