First SLR to use a body completely cast of plastic, and first camera to use the then new DX encoding for film sensitivity.
Fully mechanical, basic SLR. CdS TTL light meter. Shutter-priority auto-exposure. Shutter speeds 1/8s to 1/1000s and B. Konica AR bayonet. Battery only needed for light meter, AA or AAA alkaline, depening on model.