When you purchase through links on our site, we may earn an affiliate commission.Heres how it works.

Until recently, Canon had courted controversy for keeping its RF-mount closed to third-party manufacturers.

As usual, Sigma’s new lenses promise to offer pretty good value and are available to pre-order now.

A Sigma 23mm RF lens next to a photo of a man looking skywards

The Sigma 23mm f/1.4 DC DN (left) and an example of the kind of portrait you can take with that maximum f/1.4 aperture (right)

What about full-frame Canon cameras?

You might also like

The Canon EOS R7 camera sitting on a stone step

The Canon EOS R7 (above) has an APS-C sensor, but Canon hasn’t shown any inclination to open up its full-frame cameras to third-party lenses – yet.