Third-party lens maker Viltrox has recently added three new fast prime lenses with autofocus for the EF-M mount/EOS M cameras, and they’re affordable.. While Canon doesn’t appear to be interested in making such lenses for EOS M, we may have to rely on third-party manufacturers going forward.
You can buy Viltrox EF-M lenses directly on Amazon.
Viltrox EF-M 23mm f/1.4 $299 (approx. 35mm equivalent)
Viltrox EF-M 33mm f/1.4 $259 (approx. 50mm equivalent)
Viltrox EF-M 56mm f/1.4 $279 (approx. 90mm equivalent)
You can learn more about Viltrox lenses at their official web site.