M42 Series Lens to Sigma, Leica, Panasonic L-mount Camera Adapter

SKU: KF06.476

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Don’t forget that it’s a manual lens adapter. Works with full manual lenses. If your lens has no physical aperture ring, you cannot control it from your camera 
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No Allen wrench comes with the unit and I did not need one. Mine did not require any adjustments and fit like a glove. 
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Hi, this adapter is for Canon EOS mount lens to Sony E NEX mount camera, we checked the sony a 7iii camera mount is E mount , this adapter can fit it , but you can reconfirme it , thanks. 
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Yes, it is indeed Nikon f mount.