Amazon.com : (5 Packs) Fotasy Lens Rear Caps for M42 42mm Screw Mount Lens, M42 Lens Cap, M42 Lens Rear Cap, 42mm Screw Mount Lens Cap, M42 End Cap, fits Pentax Takumar/MamiyaSekor/Helios
Amazon.com : PENTAX Super Multi-Coated SMC Takumar 6x7 90mm F2.8 F/2.8 M42 Screw Mount MF Lens ＃55879 : Electronics
Amazon.com : Novoflex Adapter for M42 Lenses to Pentax Q Body (PENTQ/CO) : Electronics
Amazon.com : M42 Lens Doubler for Pentax, Contax, Ricoh : Electronics
Amazon.com : Fotodiox Pro Lens Mount Adapter - M42 Screw Mount SLR Lens to Pentax K (PK) Mount SLR Camera Body : Electronics
Amazon.com : Pentax Asahi Super Takumar 2.8 105 mm 105mm - M42 M 42 Digital : Electronics
Amazon.com : PENTAX Super Takumar 55mm F1.8 F/1.8 M42 Screw Mount MF Lens （S/N:1626026）＃55876 : Electronics
Amazon.com : Pentax 50mm f/1.4 Super-Takumar Screw Mount Lens for Pentax Spotmatic Camera : Electronics
Amazon.com : PENTAX SMC-takumar 28 mm F3.5 : Electronics
Amazon.com : Fotasy M42 Lens to Samsung NX Adapter, 42mm Screw Mount Lens to NX Mount Adapter Compatible with Samsung NX1 NX3300 NX3000 NX2000 NX1000 NX1100 NX500 NX300M NX300 NX210 NX200 NX30
Amazon.com : Pentax Asahi Super-Multi-Coated SMC Takumar 135 mm 135 mm 1:2,5 2,5 - M42 M 42 Digital : Electronics
Amazon.com : Bower ABSPK Pentax K Mount to M42 Screw Mount Adapter : Camera Lens Adapters : Electronics
Amazon.com : Pixco Lens Adapter Ring Lens converter Suit for Tamron Adaptall II Lens to M42 Screw Mount Pentax ES Chinon CE Memotro Mamiya 500TL Yashica TL-Super Fujica ST801 Petri FT500 Miranda
Amazon.com : Pentax Asahi Super-Multi-Coated SMC Takumar 135 mm 135 mm 1:2,5 2,5 - M42 M 42 Digital : 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 : Fotasy Adjustable M42 Lens to Nikkor Z Mount Adapter, M42 Z Mount, fits M42 42mm Screw Mount Helios Lense, Compatible with Nikon Z Mount Mirrorless Camera Z30 Z50 Z5 Z6
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 : Fotasy Adjustable M42 Lens to M43 Adapter, 42mm screw Mount to MFT, fits Olympus E-PL8 E-PL9 E-M1 E-M5 E-M10 I II III E-PM2 E-PM1 Pen-F E-M1X/ Panasonic G7 G9 GF8
Amazon.com : Fotodiox Pro Lens Mount Adapter, M42 Lens Focusing Helicoids - 16mm to 30mm for Carl Zeiss, Pentax Lenses : Camera Lens Adapters : Electronics
Amazon.com : Celticbird T-Ring and M42 to 1.25" Telescope Adapter (T-Mount) (T Ring with Adapter Compatible with Pentax K Cameras) : Electronics
Amazon.com : PENTAX Super Takumar 135mm F3.5 F/3.5 M42 Screw Mount MF Lens （S/N:3940660）＃55858 : 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 : Fotasy M42 Lens to Sony E-Mount Focusing Helicoid Adapter, 42mm Screw Mount lens to E-Mount Macro Extension Tube, fits Sony a3000 a3500 a5000 a5100 a6000 a6100 a6300 a6400 a6400 a6500
