Tested & working -Aperture working, focus smooth - a tiny bit firm, clean optics - minor interior dust - will have no effect on image quality.
K&F CONCEPT M42 to L Mount adapter Manual Focus M42 Lens to L Mount Camera Body
M42 Lens To Pentax PK K Mount Adapter Ring Focus Infinity M42-PK with tool NEW
10PCS Black M39 to M42 Step Up Lens Adapter L39 LTM LSM M39-M42 Body Camera
M42-EOS Camera E-Ring M42 to For Canon EOS DSLR Camera Electronic Adapter Ring
Leica M42 42mm Screw Mount Body Cap + Rear Lens Cap For M42
Helios-44-2 58mm Soviet lens Bokeh USSR Zenit M42 Mount for Sony E Nex
