{"lens":{"id":"ef-cine","displayName":"Canon EF (cine)","manufacturer":"Canon","flangeDistanceMm":44,"electronicProtocol":"Canon EF"},"body":{"id":"nikon-z","displayName":"Nikon Z","manufacturer":"Nikon","flangeDistanceMm":16,"electronicProtocol":"Nikon Z"},"compat":{"lensMountId":"ef-cine","bodyMountId":"nikon-z","feasibility":"mechanical","af":"manual-only","is":"n/a","aperture":"electronic","infinityFocus":"yes","adapterExamples":["Fringer EF-NZ II"],"caveats":["The Fringer EF-NZ II carries the EF 8-pin protocol, so it drives a CN-E cinema prime's electronic iris — set or ramp T-stops from the Z body or an external motor exactly as with a stills EF lens.","No autofocus: a CN-E prime has no AF motor (cinema glass is manual-focus by design), so focus is pulled by hand via a follow-focus or wireless FIZ.","No in-lens IS — cine primes carry no stabiliser; lean on the Z body's IBIS (Z8 / Z9 / Z6 III) for handheld work."],"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."}}}