![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 : 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](https://m.media-amazon.com/images/I/511oxeZ2gEL._AC_UF894,1000_QL80_.jpg)
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 : Zeiss Ikon 100mm f/2.0 Makro Planar ZE MF Macro Lens (Canon EOS-Mount) : Digital Slr Camera Lenses : Electronics Amazon.com : Zeiss Ikon 100mm f/2.0 Makro Planar ZE MF Macro Lens (Canon EOS-Mount) : Digital Slr Camera Lenses : Electronics](https://m.media-amazon.com/images/I/81TLfl+S4YL._AC_UF894,1000_QL80_.jpg)
Amazon.com : Zeiss Ikon 100mm f/2.0 Makro Planar ZE MF Macro Lens (Canon EOS-Mount) : Digital Slr Camera Lenses : Electronics
![Amazon.com : Alloy Lens Mount Adapter, M42 Type 2 Screw Mount Lens for Canon FD Camera(A-1, AE-1 Program, F-1, FTb and others), Black : Electronics Amazon.com : Alloy Lens Mount Adapter, M42 Type 2 Screw Mount Lens for Canon FD Camera(A-1, AE-1 Program, F-1, FTb and others), Black : Electronics](https://m.media-amazon.com/images/I/51J7OvRn4NL._AC_UF894,1000_QL80_.jpg)
Amazon.com : Alloy Lens Mount Adapter, M42 Type 2 Screw Mount Lens for Canon FD Camera(A-1, AE-1 Program, F-1, FTb and others), Black : 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 : 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](https://m.media-amazon.com/images/I/91PZkgeMSXL.jpg)
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: Camera Lens, 50mm F1.7 Large Aperture Standard Focusing Silent Frame Manual Lens, High Image Quality Camera Lens for M42 Mounting SLR Camera : Electronics Amazon.com: Camera Lens, 50mm F1.7 Large Aperture Standard Focusing Silent Frame Manual Lens, High Image Quality Camera Lens for M42 Mounting SLR Camera : Electronics](https://m.media-amazon.com/images/I/61hXdWZVeUL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Camera Lens, 50mm F1.7 Large Aperture Standard Focusing Silent Frame Manual Lens, High Image Quality Camera Lens for M42 Mounting SLR Camera : Electronics
![Amazon.com : M42-FX Adapter for pentacon zeiss Helios Lens to FUJIFLIM X-Mount X-T2 X-E1 X-PRO3 XE2 (Has Plate, Black) : Electronics Amazon.com : M42-FX Adapter for pentacon zeiss Helios Lens to FUJIFLIM X-Mount X-T2 X-E1 X-PRO3 XE2 (Has Plate, Black) : Electronics](https://m.media-amazon.com/images/I/41fSkIWVoCL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Amazon.com : M42-FX Adapter for pentacon zeiss Helios Lens to FUJIFLIM X-Mount X-T2 X-E1 X-PRO3 XE2 (Has Plate, Black) : Electronics
![Amazon.com : Fotasy Adjustable M42 42mm Screw Mount Lens to Cannon EOS RF Mount Adapter, M42 RF Adapter, M42 Lens to EOS RF, Compatible with Canon EOS R Mirrorless Camera EOS R Amazon.com : Fotasy Adjustable M42 42mm Screw Mount Lens to Cannon EOS RF Mount Adapter, M42 RF Adapter, M42 Lens to EOS RF, Compatible with Canon EOS R Mirrorless Camera EOS R](https://m.media-amazon.com/images/I/61Mn6RpdyiL._AC_UF894,1000_QL80_.jpg)
Amazon.com : Fotasy Adjustable M42 42mm Screw Mount Lens to Cannon EOS RF Mount Adapter, M42 RF Adapter, M42 Lens to EOS RF, Compatible with Canon EOS R Mirrorless Camera EOS R
![Amazon.com : M42-FX Adapter for pentacon zeiss Helios Lens to FUJIFLIM X-Mount X-T2 X-E1 X-PRO3 XE2 (Has Plate, Silver) : Electronics Amazon.com : M42-FX Adapter for pentacon zeiss Helios Lens to FUJIFLIM X-Mount X-T2 X-E1 X-PRO3 XE2 (Has Plate, Silver) : Electronics](https://m.media-amazon.com/images/I/71O5IqPrxrL._AC_UF350,350_QL80_.jpg)
Amazon.com : M42-FX Adapter for pentacon zeiss Helios Lens to FUJIFLIM X-Mount X-T2 X-E1 X-PRO3 XE2 (Has Plate, Silver) : Electronics
![Amazon.com : Fotodiox Lens Mount Adapter with Leica 6-Bit M-Coding - M42 Type 2 (42mm x1 Screw Mount) Lens to Leica M Mount Rangefinder Camera Body : Electronics Amazon.com : Fotodiox Lens Mount Adapter with Leica 6-Bit M-Coding - M42 Type 2 (42mm x1 Screw Mount) Lens to Leica M Mount Rangefinder Camera Body : Electronics](https://m.media-amazon.com/images/I/61StF9hjEoL._AC_UF894,1000_QL80_.jpg)
Amazon.com : Fotodiox Lens Mount Adapter with Leica 6-Bit M-Coding - M42 Type 2 (42mm x1 Screw Mount) Lens to Leica M Mount Rangefinder Camera Body : Electronics
![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 : Fotodiox Pro Lens Mount Adapter, M42 Lens Focusing Helicoids - 16mm to 30mm for Carl Zeiss, Pentax Lenses : Camera Lens Adapters : Electronics](https://m.media-amazon.com/images/I/91jxcF7OaTL.jpg)
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 : M42-FX Adapter for pentacon zeiss Helios Lens to FUJIFLIM X-Mount X-T2 X-E1 X-PRO3 XE2 (Has Plate, Black) : Electronics Amazon.com : M42-FX Adapter for pentacon zeiss Helios Lens to FUJIFLIM X-Mount X-T2 X-E1 X-PRO3 XE2 (Has Plate, Black) : Electronics](https://m.media-amazon.com/images/I/61UCCNCsP4L._AC_UF350,350_QL80_.jpg)
Amazon.com : M42-FX Adapter for pentacon zeiss Helios Lens to FUJIFLIM X-Mount X-T2 X-E1 X-PRO3 XE2 (Has Plate, Black) : Electronics
![Amazon.com : Fotasy 17-31mm M42 to M42 Lens Macro Helicord Adapter, 42mm Focusing Helicoid Extention Tube, 17mm to 31mm, 14mm Max Movement, fits M42 Screw Mount Lens : Electronics Amazon.com : Fotasy 17-31mm M42 to M42 Lens Macro Helicord Adapter, 42mm Focusing Helicoid Extention Tube, 17mm to 31mm, 14mm Max Movement, fits M42 Screw Mount Lens : Electronics](https://m.media-amazon.com/images/I/71cv2JnBRPL._AC_UF894,1000_QL80_.jpg)
Amazon.com : Fotasy 17-31mm M42 to M42 Lens Macro Helicord Adapter, 42mm Focusing Helicoid Extention Tube, 17mm to 31mm, 14mm Max Movement, fits M42 Screw Mount Lens : Electronics
![Amazon.com : M42-FX Adapter for pentacon zeiss Helios Lens to FUJIFLIM X-Mount X-T2 X-E1 X-PRO3 XE2 (Has Plate, Black) : Electronics Amazon.com : M42-FX Adapter for pentacon zeiss Helios Lens to FUJIFLIM X-Mount X-T2 X-E1 X-PRO3 XE2 (Has Plate, Black) : Electronics](https://m.media-amazon.com/images/I/71UpJYZNI9L._AC_UF350,350_QL80_.jpg)
Amazon.com : M42-FX Adapter for pentacon zeiss Helios Lens to FUJIFLIM X-Mount X-T2 X-E1 X-PRO3 XE2 (Has Plate, Black) : Electronics
![Amazon.com : Fotasy M42 Lens to Nikkor Z Helicoid Adapter, Macro Focusing Helicoid Extention Tube, M42 Z Adapter, 42mm Screw Mount, Compatible with Nikon Z Mirrorless Camera Z30 Z50 Z5 Z6 Z7 Amazon.com : Fotasy M42 Lens to Nikkor Z Helicoid Adapter, Macro Focusing Helicoid Extention Tube, M42 Z Adapter, 42mm Screw Mount, Compatible with Nikon Z Mirrorless Camera Z30 Z50 Z5 Z6 Z7](https://m.media-amazon.com/images/I/71FrFYjbGkL._AC_UF894,1000_QL80_.jpg)
Amazon.com : Fotasy M42 Lens to Nikkor Z Helicoid Adapter, Macro Focusing Helicoid Extention Tube, M42 Z Adapter, 42mm Screw Mount, Compatible with Nikon Z Mirrorless Camera Z30 Z50 Z5 Z6 Z7
![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 M42 (42x1mm) Screw Mount Lenses to Sony E-Mount Cameras : Electronics](https://m.media-amazon.com/images/I/71QHHx0V0kL._AC_UF894,1000_QL80_.jpg)
Amazon.com : Fotodiox Lens Mount Adapter Compatible with M42 (42x1mm) Screw Mount Lenses to Sony E-Mount Cameras : Electronics
![Amazon.com : M42-FX Adapter for pentacon zeiss Helios Lens to FUJIFLIM X-Mount X-T2 X-E1 X-PRO3 XE2 (Has Plate, Black) : Electronics Amazon.com : M42-FX Adapter for pentacon zeiss Helios Lens to FUJIFLIM X-Mount X-T2 X-E1 X-PRO3 XE2 (Has Plate, Black) : Electronics](https://m.media-amazon.com/images/I/61ES8LhGK-L._AC_UF350,350_QL80_.jpg)