Of those, most lenses are optically, mechanically and electrically identical to their Minolta predecessors and differ only in their outer appearance, however, three have seen subtle changes in the optics and electro-mechanics.Īll Minolta and Konica Minolta A-mount lenses are compatible with Sony A-mount cameras. When Sony took over the system in 2006, 18 lenses were reintroduced as Sony A-mount lenses. While most auto-focus lens designs were new developments, some optical constructions were derived from Minolta SR-mount lenses (as indicated). Minolta and Konica Minolta released the following lenses for Minolta A-mount cameras between 19.