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 ...

Our guide to the best Canon RF mount lenses, by Joshua Waller, is here to help you find the perfect glass for your EOS R ...

Learn more› By Erin Roberts We will soon update this guide to focus entirely on Canon RF-mount mirrorless lenses, following the structure of our Nikon Z-mount lens guide. Keep an eye out for new ...

Earlier this year, Sigma announced plans to release several of its DC DN APS-C lenses for Canon's RF mount, making it one of the first third-party manufacturers to sell autofocus RF lenses under ...

Tamron has announced that it's working to bring its 18-300mm F3.5-6.3 Di III-A VC VXD lens to RF mount and Z mount. While it's only the company's second RF lens, it stands out even more on Nikon's ...

So he set out to build a custom EF mount -- Canon's standard lens mount -- with the help of a 3D printer. The particulars of how he built something with the right fit get fairly technical if you ...

A 200mm telephoto prime might sound like a niche lens, but it’s one that has a lot to offer for sports and wildlife ...

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 ...

Nikon's F-mount SLR system has been in use for decades ... 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 ...