kfconcept
Please note: our M42 adapter ring could not be suitable for Pentax Takumar Super Takumar Carl Zeiss M42 series(aperture pin does not fully depress, small tabs sticking out), as ours depresses the aperture pin all the way down
Asahi Pentax Stereo Adapter Pentax Stereo Adapter 49mm Pentax Stereo Adapter 52mm Pentax Stereo Adapter Set Asahi Pentax Lens Adapter Mamiya 645 Lens Mount Adapter Asahi Pentax Nikon Adapter Asahi Pentax M42 Adapter Asahi Pentax Stereo Adapter 49mm Asahi Pentax Stereo Adapter Set
Nikon Coolpix P510 Lens Filter Filter For Sigma 10-20mm Lens Canon Ef To Micro Four Thirds Adapter 3d Printed Lens Adapter Sony E Mount 10-18mm Lens Sony Nex Lens Mount Pentax Lens Mount For Canon Disadvantages Of Using Lens Adapters Zorki Minitar Lens Adapter 17-55 Lens Nikon Mount