{"lens":{"id":"nikon-f","displayName":"Nikon F","manufacturer":"Nikon","flangeDistanceMm":46.5,"electronicProtocol":"Nikon F (AI/AI-S/AF/AF-D/AF-S/AF-P)"},"body":{"id":"nikon-z","displayName":"Nikon Z","manufacturer":"Nikon","flangeDistanceMm":16,"electronicProtocol":"Nikon Z"},"compat":{"lensMountId":"nikon-f","bodyMountId":"nikon-z","feasibility":"mechanical","af":"partial","is":"full","aperture":"electronic","infinityFocus":"yes","adapterExamples":["Nikon FTZ II","Nikon FTZ"],"caveats":["AF-S and AF-P lenses (in-lens focus motor): full AF preserved.","AF-D / AF screw-drive lenses: focus motor missing on FTZ — manual focus only with focus-confirm.","AI / AI-S manual-focus lenses: meter and focus-confirm work, fully manual otherwise.","FTZ II removes the FTZ's tripod foot for clearance with larger primes."],"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."}}}