you’ll also find a list of other retailers below each lens, so you can find the right deal for you. Best wide-angle EF-mount ...

[Bastiaan] decided to address this shortcoming by building a Canon EF Lens Mount. The resulting build looks hilarious, but actually takes some interesting photos. [Bastiaan] designed the mount ...

The lens in question was a Sigma 15-30mm f/3.5-4.5 EX DG, built to work with a Sigma camera using the SA mount. As it turns out, the SA mount is actually based on the Canon EF mount, using the ...

However, as it stands, Canon has yet to open up the RF mount to external lens manufacturers, at least for full-frame lenses. Since 2024 Canon has licenced the RF standard for crop-sensor RF-S lenses.