M48 Mount Adapter Ring Telescope Eyepiece Lens for Nikon Canon EOS Mount F3
With this adapter, you can adapt your M48 mount lens for Nikon AI mount DSLR. Lens Screw Mount: T M48 0.75mm. Optional M48 0.75 Adapter: for Nikon AI, for Canon EOS. M48 Adapter. for Canon EOS for Nikon AI.