Canon currently markets three types of interchangeable lens cameras—and they all use different lenses. That can make shopping for a new lens a little more difficult than with other brands. The first ...
[Martin Melchior] wanted to use an older Sigma lens with his Canon camera. The problem in trying to do so is that the camera uses a different communications protocol than the lens is expecting. But if ...
The Canon RF 70-200mm f2.8L IS USM is small, sharp, and steady. It’s almost perfect, but the incompatibility with teleconverters will put off some photographers. Why you can trust Space.com Our expert ...