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
Pentax K-mount To M42 Adapter M42 Pentax K Adapter Using M42 Lenses On Pentax K Mount Leica M42 Mount Lenses Pentax Lens M42 Mount Dlc Nex Adapter For Pentax M42 Lenses Pentax Q Adapter M42 Pentax M42 Screw-mount Lenses Pentax M42 To E-mount Sony A Mount Large Aperature
Sony 16 50mm A Mount Nikon 1 V1 Ft1 Adapter Canon Eos R6 Mount Adapter 2x Adapter For Canon Sl1 Canon M Adapter Ebay Eos 1300d Lens Mount Blackmagic 4k Nikon Mount Pentax 67 Adapter Sony Sony A7riii With Metabones Adapter Rokinon 14 Sony E Mount