Canon RF 100-500mm f/4.5-7.1 L IS USMCovering a variety of telephoto focal lengths, the Canon RF 100 500mm f 4. 5 7. 1 L IS USM spans a short to super telephoto range within a sleek and portable form factor. The modest maximum aperture enables a relatively portable design that is well suited to handheld, walkaround use and optical image stabilization also helps to steady photos and videos by up to five stops when working in difficult lighting conditions. This lens is also characterized