[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 ...

Engadget's experienced editorial team has tested and reviewed hundreds of digital cameras and photography gear over the past 20 years to help you find the best options available.

Your camera body likely came with a kit lens, probably the Canon EF-S 18-55mm f/4-5.6 IS STM if you have an APS-C–format body, or the Canon RF 24-105mm f/4-7.1 IS STM if you went with a full ...