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
Helios 44 2 Sony E Mount Helios 44 2 Nikon F Mount Helios 44 2 Lens Mount Helios 44 2 Canon Mount Helios 44-2 Canon Adapter Helios 44-2 Nikon Adapter Helios 44 2 Adapter Sony Helios 44 Nikon Mount Lens Mount For Dejur Electra Helios 44-2 Minolta Adapter
Instax Mini 9 Filter Lens Canon Lens Mounts Fd Ef Canon Sl2 Lens Mount Type Canon To F-mount Adapter Filter Adapter For Canon Sx40 Adapt Holga Fisheye Lens Nikon Mount F2.8 Lens Sony A58 Metal Lens Mount Sony E-mount Lens Tamron Pentax K Mount Lenses Wiki