{"lens":{"id":"pl","displayName":"PL (Positive Lock)","manufacturer":"Arri (industry standard)","flangeDistanceMm":52,"electronicProtocol":"mechanical-only"},"body":{"id":"canon-rf","displayName":"Canon RF","manufacturer":"Canon","flangeDistanceMm":20,"electronicProtocol":"Canon RF"},"compat":{"lensMountId":"pl","bodyMountId":"canon-rf","feasibility":"mechanical","af":"n/a","is":"n/a","aperture":"manual-ring","infinityFocus":"yes","adapterExamples":["Wooden Camera PL-RF","IBE Optics PL-to-RF Mount Module (interchangeable on C70 / C400)","Vocas PL-RF"],"caveats":["Pure mechanical — PL has no electronic interface, so AF / IS / electronic iris are all n/a.","Cooke /i or ZEISS eXtended Data contacts (where present) are not currently surfaced through these RF adapters.","PL flange (52 mm) leaves 32 mm for adapter thickness on a 20 mm RF flange — robust shoulder-rig builds are easy."],"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."}}}