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
Amazon.com : Haoge Lens Mount Adapter for Pentax K PK Mount Lens to Leica M LM Mount Camera Such as M240, M240P, M262, M3, M2, M1, M4, M5, CL, M6, MP, M7,
Amazon.com : K&F Concept Lens Mount Adapter for Pentax PK Munt Lens to Nikon Z6 Z7 Camera : 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
Amazon.com : Fotga Mount Adapter Ring for Pentax PK Lens to Micro 4/3 M4/3 M43 Four Thirds Camera EP-1 GF1 G1 GH1 GF2 3 G2 G1 GX7 : Electronics
Amazon.com : Fotasy PK Lens to M4/3 Adapter, PK to MFT, Compatible with Pentax PK lens Panasonic G7 G9 GF8 GF90 GH5 II GX7 GX8 GX9 GX850 G90 G91 G95 G100 Olympus
Amazon.com : Foto4easy Lens Mount Adapter for F Lens to PK Pentax K Mount DSLR Camera : 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 : Fotodiox Pro Lens Mount Adapter, for Rollei 35mm Lens to Pentax K-Mount (PK) DSLR Cameras : 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 Pentax K Mount (PK) SLR Lens to G-Mount GFX Mirrorless Camera : Electronics
Amazon.com : K&F Concept Lens Mount Adapter Compatible with Pentax K PK Lens to Micro 4/3 M4/3 Mount Adapter G10 G3 GF3 GF1 E-P3 P2 PL3 PL1 : Electronics
Amazon.com : Fotodiox Lens Mount Adapter, Pentax K/PK Lens to Pentax Q-Series Camera, fits Pentax Q Mirrorless Cameras : Adapter Q For Pentax Q : Electronics
Amazon.com : Fotodiox Pro Lens Mount Adapter, Manual Focus Minolta MD MC Lens to Pentax K (PK) DSLRs Camera, MD-PK Pro : Electronics
Amazon.com : Haoge Lens Mount Adapter for Pentax K PK Mount Lens to Canon EOS EF EF-S Mount Camera : Electronics
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
Amazon.com : Fotodiox Lens Mount Adapter - Pentax K AF Mount (PKAF) DSLR Lens to Sony Alpha E-Mount Mirrorless Camera Body with Built-in Aperture Control Dial : 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 : K&F Concept Lens Mount Adapter Compatible for PK K Mount Lens to NEX E-Mount Camera Body with Matting Varnish Design : Electronics
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 Lens Mount Adapter Pentax PK Lens to Fuji FX Mount Camera Adapter Fits X-Pro1 X-E1 X-M1 : Electronics
Amazon.com : Fotodiox Lens Mount Adapter Compatible with Pentax K Mount (PK) SLR Lens on Fuji X-Mount Cameras : Electronics
Amazon.com : Fotodiox Pro Lens Mount Adapter, Manual Focus Minolta MD MC Lens to Pentax K (PK) DSLRs Camera, MD-PK Pro : Electronics
Amazon.com : Fotodiox Lens Mount Adapter - Pentax K Mount (PK) SLR Lens to Canon EOS (EF-S) Mount SLR Camera Body : Electronics
Amazon.com : (3-Pack) Rear Lens Cap for Pentax K Mount, PK Lens Cap, Kmount Lens Rear Cover, PK Camera Body Cap for Pentax K K-70 K-1 K-3 II K-S2 K-S1 K-3 K-50
