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 Smc K Mount Lenses Sigma 70-210mm F.2.8 Apo Canon Ef Mount Pentax Smc Canon Adapter Pentax Smc 50mm 1.4 Lens Mount Ricoh Slr Lens Mount Smc Pentax-a 50mm Macro Lens Mount Pentax 100mm F/2.8 Smc A K Mount Pentax Smc 50mm F 1.4 K Mount Pentax Smc Compatible With K Mount Smc Pentax-m 50mm 1.7 Mount
Polarizing Filter Ultra Wide Angle Lens Fujifilm Instax Lens Filter Set Angry Photogrpaher Best Lens Filter Different Types Of Lens Mounts Ronin 4d Lens Mount Techart Pro Adapter Sony Canon G5x Lens Adapter Canon G1x 58mm Adapter Edmund Optics Micrometer Adjustment Lens Mount Opto Sigma 2 Inch Lens Mount