{"lens":{"id":"exakta","displayName":"Exakta","manufacturer":"Ihagee Dresden","flangeDistanceMm":44.7,"electronicProtocol":"mechanical-only"},"body":{"id":"sony-e","displayName":"Sony E (incl. FE)","manufacturer":"Sony","flangeDistanceMm":18,"electronicProtocol":"Sony E"},"compat":{"lensMountId":"exakta","bodyMountId":"sony-e","feasibility":"mechanical","af":"n/a","is":"n/a","aperture":"manual-ring","infinityFocus":"yes","adapterExamples":["Fotodiox Exakta-NEX","K&F Concept Exakta-NEX","Generic Exa-NEX rings"],"caveats":["Auto-aperture Exakta lenses use a side-mounted plunger to stop down — adapter doesn't actuate this; use the lens's manual A/M switch (where present) or stop down by hand.","26.7 mm flange clearance — comfortable adapter thickness."],"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."}}}