Note: The mount adapter can’t work with EF-S lenses. NEEWER NW-EF-M 0.71X speed booster lens mount adapter is designed to easily convert EOS EF lenses so they can be installed on EOS M series cameras. Compatible with Canon EOS M M2 M3 M5 M6 M10 M50 M100 M200 Cameras. Use this autofocus speed booster to shorten the original focal length of your lens by 0.71x and helps increase 1 level aperture. It also supports auto focus, image stabilization, and smooth EXIF data transmission.
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