Since I picked up my first camera about 15 years ago, I’ve loved wildlife photography. While you can capture beautiful wildlife images with a wide range of lenses, nothing beats a telephoto lens for getting close-up shots of your subject. With a long lens, you can photograph wildlife from a safe distance without disturbing them. The drawbacks of most telephoto lenses is that they’re large, heavy and expensive. However, since Canon launched its EOS R mirrorless camera system in 2018, it has developed impressively compact and lightweight RF lenses of all types, including telephoto options. Part of this trend of lighter, more affordable telephoto lenses is due to improved optical technology. Another factor is the Canon RF lens mount itself, which...