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 Zx 50 Lens Mount Pentax K 50 Mount Sony Alpha A6000 Leica M Adapter Pentax Zx-30 Lens Mount Pentax Zx-7 Lens Mount Pentax Zx-10 Lens Mount Pentax Zx-5 Lens Mount Pentax Zx-5n Lens Mount Pentax Zx-m Lens Mount Pentax Zx 10 Mount
Adorama 67mm Close-up Lens Filter C Mount Lens On Canon C Fd Lens Mount Sony Fs100 Lens Mount Sigma 50mm Nikon Mount Canon M50 And Using A Lens Adapter Viltrox Ef E Lens Mount Adapter Ring Best K-mount Telephoto Lens Ef Adapter Sony A7s Ii Tamron 70-200 2.y Sony E-mount