[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 ...

Do you use a Canon EOS R mirrorless camera? From wide-angle to telephoto, these are the best lenses we ... and SLR system. As a Part 107 Certified drone pilot, I’m licensed to fly unmanned ...

Canon has been making cameras for professionals and hobbyists for a very long time, and the EF lens ... native RF lenses will net you superior image quality and the latest features, however, along ...