This Viltrox EF-EOS M Lens Mount Adapter is the perfect solution for mounting Canon EF lenses on your EOS M camera. The adapter is designed with a screw-in fastening system that ensures secure mounting of your lens. Additionally, the adapter has a universal feature that makes it compatible with a wide range of Canon EF lenses. The adapter is made by Viltrox, a trusted brand in the photography industry. It is constructed to last and provide reliable performance. With a front lens fitting of 35mm, this adapter is suitable for a wide range of photography applications. Get the most out of your Canon EF lenses with this Viltrox EF-EOS M Lens Mount Adapter.