Sony Alpha A-Mount (and Minolta AF) DSLR Lens to Pentax K (PK) Mount SLR Camera Body Pro Mount Adapter – Fotodiox, Inc. USA
Amazon.com : Pentax K-5 16.3 MP Digital SLR with 18-55mm Lens and 3-Inch LCD (Black) : Slr Digital Cameras : Electronics
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Pixco Pentax 67 lens to Pentax PK K mount adapter Pentax K 3, K 50, K 5 II, K 30, K 01, K 5, K r, K x, K 7, K m, K20D, K200D, K1|Lens Adapter| - AliExpress
Check Lens Compatibility with Your Pentax Camera
Pentax K-5 Review
HD PENTAX-D FA MACRO 100mmF2.8 ED AW - Ricoh
Best lenses for the 16-MPix Pentax K-5 II and K-5 IIs: Measurement data now available online - DXOMARK
Check Lens Compatibility with Your Pentax Camera
MonsterAdapter's new LA-KE1 adapter brings autofocus, aperture control to Pentax K-mount lenses on Sony E-mount cameras: Digital Photography Review
New from Pentax: K-5 II DSLR and Q10 Digital Cameras, Four Lenses and an Adapter | B&H eXplora
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K&F Concept M20221 Leica M Lenses to Pentax K Lens Mount Adapter - KENTFAITH
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Hasselblad V-Mount SLR Lenses to Pentax K (PK) Mount SLR Camera Body Pro Mount Adapter – Fotodiox, Inc. USA