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 645 Lens Adapter Pentax 645 A Mount Pentax 645 Adapter K Pentax 645 Lens Adapters Pentax 645 Lens Mount Adapters Pentax K Mount With 645 Lens Vivitar Tele-zoom 90-230mm Lens Mount Lenses For Pentax 645 Mount Pentax 645 Mount Diameter Pentax 645 Mount Lenses
F Mount Macro Lens Mft To Nex Adapter Pentax 110 Mft Adapter All Canon Eos Mount Camera Lens Adapter For Lumix G3 Light Leak Lens Adapter Opteka T-mount Lens Adapter 35 Mm Nikon Mount Sigma 18-35 Nikon Mount Dxomark Sony Adapter Ac P12vx