{"lens":{"id":"pl","displayName":"PL (Positive Lock)","manufacturer":"Arri (industry standard)","flangeDistanceMm":52,"electronicProtocol":"mechanical-only"},"body":{"id":"l-mount","displayName":"L-Mount","manufacturer":"Leica / Panasonic / Sigma","flangeDistanceMm":20,"electronicProtocol":"L-Mount"},"compat":{"lensMountId":"pl","bodyMountId":"l-mount","feasibility":"mechanical","af":"n/a","is":"n/a","aperture":"manual-ring","infinityFocus":"yes","adapterExamples":["Wooden Camera PL-L","IBE Optics PL-to-L"],"caveats":["PL flange (52 mm) on an L-mount 20 mm flange leaves 32 mm of adapter — comfortable for rigged builds on Panasonic Lumix S1H / BS1H or Sigma fp."],"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."}}}