Amazon.com : Haoge Lens Mount Adapter for Pentax K PK Mount Lens to Canon EOS EF EF-S Mount Camera : Electronics
Amazon.com : Fotasy Manual F Mount Lens to E-Mount Adapter, Nikkor F E Mount Adapter, Compatible with Sony a7 a7R a7s II III IV a9 a7c Alpha 1 a6600 a6500 a6400 a6300
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
Amazon.com : K&F Concept PK/DA to FX Adapter, Manual Lens Mount Adapter with Aperture Control Ring for Pentax K AF PK DA A Mount Lens Compatible with Fujifilm Fuji X Mirrorless Cameras :
Amazon.com : K&F Concept Lens Mount Adapter PK/DA-NIK Z Manual Focus Compatible with Pentax K Mount (PK/DA) DSLR Lens to Nikon Z Mount Camera Body : Electronics
Amazon.com : NOVOFLEX Adapter Compatible with Pentax K Objektive Compatible with Nikon 1 Body : Camera Lens Adapters : Electronics
Amazon.com : Fotodiox Lens Mount Adapter, Pentax K (PK) to Micro 4/3 Olympus PEN and Panasonic Lumix Cameras : Electronics
Amazon.com : Fotodiox Pro Lens Mount Adapter Compatible with Pentax K Auto Focus Mount (PK AF) DSLR Lenses to Nikon Z-Mount Mirrorless Camera Bodies : Electronics
Amazon.com : Urth Lens Mount Adapter: Compatible for Nikon Z Camera Body to Pentax K Lens : Electronics
Amazon.com : Fotodiox Lens Mount Adapter Pentax K AF Lens to MFT (Micro-4/3, M4/3) Mount Mirrorless Camera (Such as OM-D E-M10, Lumix GH4, and BMPCC) w/Aperture Control Dial : Electronics
K&F Concept Lens Mount Adapter Compatible with Nikon Lens to Pentax K PK Mount Adapter with Glass for Pentax : Electronics - Amazon.com
Amazon.com : Fotodiox PRO Lens Mount Adapter, Contax Yashica (C/Y) Mount Lens to Pentax K (PK) Mount DSLRS Cameras, CY-PK PRO : Electronics
Amazon.com: Lens Mount Adapter for Pentax K/PK Mount Lens to Canon EOS M EF-M M2 M3 M5 M6 M10 M50 M100 Mirrorless Camera Adapter Ring : Electronics
Lens Mount Adapter for PK-N1 Lens Mounr Adapter for Pentax PK K Lens to 1 Mount Camera Adapter For S1 S2 AW1 V1 V2 V3 J1 : Electronics - Amazon.com
Amazon.com : K&F Concept Lens Mount Adapter Compatible with Nikon Lens to Pentax K PK Mount Adapter with Glass for Pentax : Electronics
Amazon.com : Fotodiox Lens Mount Adapter Compatible with Pentax K Mount (PK) SLR Lens on Fuji X-Mount Cameras : Electronics
Amazon.com : K&F Concept Lens Mount Adapter Compatible with Nikon Lens to Pentax K PK Mount Adapter with Glass for Pentax : Electronics
Amazon.com : Fotodiox Lens Mount Adapter Compatible with Nikon Nikkor F Mount D/SLR Lens on Fuji X-Mount Cameras : Nikon Fuji Adaptor : Electronics
Amazon.com : Fotodiox Lens Mount Adapter, Pentax K (PK) Lens to Nikon 1-Series Camera, fits Nikon V1, J1 Mirrorless Cameras : Electronics
Amazon.com : Foto4easy Lens Mount Adapter for F Lens to PK Pentax K Mount DSLR Camera : Electronics
Amazon.com : Urth Lens Mount Adapter: Compatible for Nikon F Camera Body to Pentax K Lens (with Optical Glass) : Electronics
Amazon.com : Fotodiox PRO Lens Mount Adapter, Contax Yashica (C/Y) Mount Lens to Pentax K (PK) Mount DSLRS Cameras, CY-PK PRO : Electronics
Amazon.com : Fotodiox Pro Lens Mount Adapter Compatible with Pentax K AF (KAF) Lenses to Nikon F-Mount Cameras : Electronics
Amazon.com : Fotodiox Pro Lens Mount Adapter Compatible with Pentax K AF (KAF) Lenses to Nikon F-Mount Cameras : Electronics
Amazon.com : Fotodiox Pro Lens Mount Shift Adapter Pentax K (PK) Mount Lenses to Fujifilm X-Series Mirrorless Camera Adapter - fits X-Mount Camera Bodies Such as X-Pro1, X-E1, X-M1, X-A1, X-E2, X-T1 :
Amazon.com : FocusFoto Adapter Ring for Pentax PK K Lens to Nikon F AI Mount Camera with Optical Glass & Caps Nikon D750,D780,D810A,D610,D500,D7500,D7200,D7100,D7000,D5600,D5500,D5300,D5200,D3500,D3400,D90,D5 : Electronics