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 50mm Pentax 50mm K-mount Lens Sony A7 Lens Mount Play Vivitar 50mm K-mount Lens Best Pentax K Mount 50mm Pentax 50mm 1.2 K Mount Pentax 50mm 1.7 Mount Pentax K Mount 50mm F1 4 Vivitar 70-300 Pentax K Mount Vivitar Tx Mount Pentax K
Sony A6300 Kit Lens Nd Filter Pentax To Olympus Lens Adapter Fuji X Mount Autofocus Lens Sony A7 M42 Adapter Contax 645 Canon Eos Adapter 1 C-mount Zoom Lens Bmpcc 4k C-mount Lens Follow Focus Lens Mount Gopro Hero 5 Lens Mount Sony A6000 Autofocus Adapter