The Minolta Dynax 4 was the popular autofocus SLR camera. It was truly a revolutionary camera in that it redefined what an SLR was with the addition of computer chips in the camera body, lenses, and accessories. These controlled the camera functions for optimal results
The kit lens for the camera was a Minolta AF 28-80mm f3.5-5.6 lens with macro switch. Its zoom setting ring served in macro mode as manual focusing ring.