Amazon.com : Fotasy Adjustable T/T2 Telescope Lens to Pentax K Mount DSLR Camera Adapter Ring, Compatible with K-70 K-1 K-3 II K-S2 K-S1 K-3 K-50 K-30 K-5 IIs K-5 II K-5 K-500
Amazon.com : K&F Concept Lens Mount Adapter M42-NEX IV Manual Focus Compatible with M42 Lens and Sony E Mount Camera Body : Electronics
Amazon.com : Fotodiox Lens Mount Adapter Compatible with M42 (42x1mm) Screw Mount Lenses to Sony E-Mount Cameras : Electronics
Amazon.com : Fotodiox Lens Mount Adapter - Compatible with Pentax K Mount (PK) SLR Lens on Fuji X-Mount Cameras : Electronics
Amazon.com : Urth Lens Mount Adapter: Compatible with M42 Lens to Pentax K Camera Body : Electronics
Amazon.com : PHOLSY M42 to EOS RF-Mount Adapter Compatible with M42 42mm Screw Mount Lens to Canon EOS RF Mount Camera Body for EOS R8, R50, R6 Mark II, R7, R10, R3,
Amazon.com : Fotodiox Pro Lens Mount Adapter, for Rollei 35mm Lens to Pentax K-Mount (PK) DSLR Cameras : Electronics
Amazon.com : K&F Concept M42 Lens to Micro 4/3 Lens Adapter,M42 Screw Mount to Micro Four Thirds M43 MFT Fits for Olympus PE, Panasonic Lumix : Electronics
Amazon.com : Fotodiox Pro Lens Mount Adapter - M42 Screw Mount SLR Lens to Pentax K (PK) Mount SLR Camera Body : Electronics
Amazon.com : Fotodiox Pro Lens Mount Adapter - M42 Screw Mount SLR Lens to Pentax K (PK) Mount SLR Camera Body : Electronics
Amazon.com : Fotodiox Pro Lens Mount Adapter - M42 Screw Mount SLR Lens to Pentax K (PK) Mount SLR Camera Body : Electronics
Amazon.com : Fotodiox Pro Lens Mount Adapter - M42 Screw Mount SLR Lens to Pentax K (PK) Mount SLR Camera Body : Electronics
Amazon.com : Urth Lens Mount Adapter: Compatible with Pentax K Lens to Fujifilm X Camera Body : Electronics
Amazon.com: FOTGA Lens Mount Adapter for M42 Mount Lens to Pentax PK K Mount Camera K-S2 K-1 K-3II K-70 K-P : Electronics
Amazon.com : Fotodiox Lens Mount Adapter Compatible with M42 Type 1 Lenses to Nikon F-Mount Cameras : Electronics
Amazon.com : Fotodiox Lens Mount Adapter (Type 1), M42 (42mm x1 Thread Screw) Lens to Nikon 1-Series Camera, fits Nikon V1, J1 Mirrorless Cameras, Type 1 fits Pentax Takumar and Zeiss Lenses. : Electronics
Amazon.com : Urth Lens Mount Adapter: Compatible with M42 Lens to Pentax K Camera Body : 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 Lens Mount Adapter - T-Mount (T/T-2) Screw Mount SLR Lens to Pentax K (PK) Mount SLR Camera Body,T2-PK : Electronics
Amazon.com : Astromania T-Ring and M42 to 1.25" Telescope Adapter (T-Mount) for 42mm Pentax-k SLR/DSLR Telescope Cameras.(for Camera K-x, K-r, K-01, K-30, K20D, K200D, K2000, K1000, K100D Super, K110D, Etc). : Electronics
Amazon.com : PHOLSY Lens Mount Adapter M42 to L Compatible with M42 42mm Screw Mount Lens to Leica L Mount Camera Body Compatible with Leica SL2, SL2-S, CL, TL2, Lumix S5, S1,
Amazon.com : Urth Lens Mount Adapter: Compatible with M42 Lens to Pentax K Camera Body : Electronics
Amazon.com : Fotodiox Lens Mount Adapter (Type 1), M42 (42mm x1 Thread Screw) Lens to Pentax Q-Series Camera, fits Pentax Q Mirrorless Cameras, fits Pentax Takumar and Zeiss Lenses. : 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 : Haoge Lens Mount Adapter for 42mm M42 Mount Lens to Pentax K PK Camera Such as K-7, K-x, K-r, K-5, K-01, K-30, K-5II, K-5IIs, K-500, K-50, K-3, K-S1, K20D, K200D,
Amazon.com : NEEWER Lens Mount Adapter Manual Focus Ring Compatible with Pentax K Mount Lens to Sony E Mount Camera Including Alpha 1 A9 A7 A7C A7R A7S A6600 A6400 A5000 NEX-7
