The EF-M 22mm STM is tack sharp, even wide open; it's the sharpest EF-M lens by far. This is my favorite lens and gets the most use. Great for indoor non-flash photography and general purpose shooting. When used outside it gives more "pop" than the...

If you own an EOS-M you either already have this lens or ought to. The 22mm focal length, equivalent to a 35mm on a full frame camera, and f/2 maximum aperture makes this a very versatile lens. My EOS-M does backup and 2nd or 3rd camera duty on video...