M42 to M4/3 Adapter, Lens Mount Adapter for M42 Mount Lens to Micro 4/3 M43 MFT Mount Mirrorless Cameras

SKU: KF06.076

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This adapter has a great aputure ring that works with all Nikon lenses except the AF-P focus by wire lenses (the aputure can be adjusted but you cannot focus the lens). Not sure what "non-ai" lens you have, but if you can manually adjust the aputure on the non-ai lens and just not use the aputure ring on the adapter to change aputure then it will work. Great adapter BTW. 
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No. This is manual adapter. I've used it for a vintage Takumar 70-200mm and it worked well if all you want is to mount it and have manual control. 
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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. 
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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.