{"lens":{"id":"c-mount","displayName":"C-mount","manufacturer":"Various (cine / industrial standard)","flangeDistanceMm":17.526,"electronicProtocol":"mechanical-only"},"body":{"id":"sony-e","displayName":"Sony E (incl. FE)","manufacturer":"Sony","flangeDistanceMm":18,"electronicProtocol":"Sony E"},"compat":{"lensMountId":"c-mount","bodyMountId":"sony-e","feasibility":"mechanical","af":"n/a","is":"n/a","aperture":"manual-ring","infinityFocus":"no","adapterExamples":["Generic C-E rings (Fotodiox, Pixco, Rainbowimaging)"],"caveats":["Full-frame E (FE) bodies see heavy vignetting; APS-C E (Sony α6000-series) bodies still vignette to a circle smaller than the sensor.","C-mount flange is 0.474 mm below Sony E's — most lenses can't reach infinity focus through a standard thin adapter."],"formatNote":{"match":"lens-smaller-than-body","lensFormat":"16mm-cine","bodyFormat":"full-frame","cropFactor":null,"message":"Lens image circle (16mm-cine) is smaller than body sensor (full-frame) — expect heavy vignetting or black corners. Many bodies auto-crop to the smaller format and drop resolution accordingly."}}}