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
Laowa Nikon Z Mount Smc Pentax F 1.7 X Af Adapter Pentax Smc K Mount Lenses Canon T5i To Pentax Smc Adapter Smc Pentax-f 1 7x Af Adapter Smc Pentax-f 1.7x Af Adapter Pentax 100mm F/2.8 Smc A K Mount Pentax 200mm F 4 Smc Mk Mount Pentax Smc 50mm F 1.4 K Mount Pentax Smc Compatible With K Mount
Canon R5 Lens Mount Canon Eos Lens Mount Best Adapter For Canon M50 300mm E Mount Lens Adapter Canon Sony A6300 Nikon Canon Adapter Autofocus And Aperture Wide Angle Adapter Canon 600d Coaxial Light Lens Adapter Olympus Tg3 Lens Mount Cover Battery Adapter For Sony F55