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Amazon.com : Fotasy PK Lens to Nikkor Z Mount Adapter, K Mount to Z Mount Adapter, PK Z Mount, fits Pentax PK Lens, Compatible with Nikon Z Mount Mirrorless Camera Z30 Z50
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Pentax PK K Lens to Nikon Adapter for D7500 D810 D810a D5600 D750 D3400 w/ Glass 799975138060 | eBay
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