Amazon.com: Pentax SMC M M 1:1.7 1.7 50mm 50 mm Asahi PK : Electronics
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Amazon.com : Fotodiox Pro Lens Mount Adapter, Canon FD, FL Lens to Pentax K (PK) DSLRs Camera, FD-PK Pro : Canon Fd To Pentax Adaptor : Electronics
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Amazon.com : K&F Concept Lens Mount Adapter Pentax PK Lens to Fuji FX Mount Camera Adapter Fits X-Pro1 X-E1 X-M1 : Electronics
Pentax Asahi SMC M 1:2 2 50mm 50 mm - PK Bajonett : Electronics - Amazon.com
