{"lens":{"id":"contax-cy","displayName":"Contax/Yashica (C/Y)","manufacturer":"Contax / Yashica","flangeDistanceMm":45.5,"electronicProtocol":"mechanical-only"},"body":{"id":"minolta-md","displayName":"Minolta SR / MC / MD","manufacturer":"Minolta","flangeDistanceMm":43.5,"electronicProtocol":"mechanical-only"},"compat":{"lensMountId":"contax-cy","bodyMountId":"minolta-md","feasibility":"mechanical","af":"n/a","is":"n/a","aperture":"manual-ring","infinityFocus":"yes","adapterExamples":["generic mechanical adapter ring (multiple vendors)"],"caveats":["Mechanical adapter only — no electronic communication between Contax/Yashica (C/Y) lens and Minolta SR / MC / MD body."],"formatNote":{"match":"match","lensFormat":"full-frame","bodyFormat":"full-frame","cropFactor":null,"message":"Lens image circle (full-frame) matches body sensor (full-frame) — no crop or vignetting concern."}}}