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 : K&F Concept Lens Mount Adapter Compatible with M42 Lens to NEX E-Mount Camera Compatible with Sony Alpha NEX-7 NEX-6 NEX-5N NEX-5 NEX-C3 NEX-3 : 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 Pro Lens Mount Adapter - M42 Screw Mount SLR Lens to Pentax K (PK) Mount SLR Camera Body : Electronics
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 : 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 : 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 : K&F Concept Lens Mount Adapter for Minolta M42 Mount Lens to Nikon Z6 Z7 Camera : Electronics
Amazon.com : Camera Adapter Ring M42 PK M42 Manual Focus for Pentax PK K Mount Adapter Ring Focus Infinity M42 PK Lens Mount Ring : Electronics
Amazon.com : K&F Concept Lens Mount Adapter Ring M42 42mm Screw to Fuji Fujifilm FX XPro1 X-Pro1 Camera : Electronics
Amazon.com : Urth Lens Mount Adapter: Compatible with M42 Lens to Pentax K Camera Body : Electronics
Amazon.com : Fotasy Adjustable M42 Lens to Cannon EF-M Mount Adapter, M42 EFM, M42 EOS M Adapter, Compatible with Canon EF M Mount Mirrorless Cameras EOS M M1 M2 M3 M5 M6
Amazon.com : K&F Concept Adapter for M42 Screw Mount Lens to Pentax K Camera K-1 : 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 - M42 Screw Mount SLR Lens to Pentax K (PK) Mount SLR Camera Body : Electronics
Amazon.com : Bower ABSPK Pentax K Mount to M42 Screw Mount Adapter : Camera Lens Adapters : Electronics
Amazon.com : K&F Concept Lens Mount Adapter Compatible for M42 Screw Mount SLR Lens to Canon EOS R Camera Body : Electronics
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 Compatible for M42 Screw Mount SLR Lens to Canon EOS R Camera Body : 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 : M42-FD Lens Adapter, M42-FD M42 Screw Lens for Canon FD F-1 A-1 T60 FTB Film Camera Adapter, for Zeiss, for Pentax, for Praktica, for Mamiya, for Zenit : Electronics
Amazon.com : K&F Concept Lens Mount Adapter Compatible for Leica M42 Screw Mount Lens to M4/3 M43 Micro Four Thirds Mount Camera with Matting Varnish : 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 : Celticbird 1.25" Telescope Camera T-Adapter (T-Mount) with Camera Adapter (1.25" T-Mount for Pentax-K) : 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 : 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 - M42 Screw Mount SLR Lens to Pentax K (PK) Mount SLR Camera Body : Electronics
