From the Composer Pro II to the Sweet 50 ... We're here to help you find the best lenses for your Canon SLR. Canon's EOS M system is backed with a system of lightweight, compact lenses.

It features a bright maximum F2.8 aperture across its entire 16-28mm range, and is a much more compact and affordable option for enthusiasts than Canon’s pro RF 15-35mm F2.8L IS USM lens.

For APS-C, there are three F2.8 autofocus lenses coming out for E, X and Z mounts: a 25m, 35mm and 50mm. There's also a 35mm ...

[Dan K] had just such a lens from Sigma, but wanted to get it working fully with a camera using the Canon EF lens fitting. Hacking ensued. The lens in question was a Sigma 15-30mm f/3.5-4.5 EX DG ...