Industry Standard Telephoto Zoom. A high-performance lens with a fast, constant f/2.8 aperture, perfect for isolating subjects and shooting in low light. Features Canon’s renowned L-Series rugged, weather-sealed build quality.

Mount: Canon EF (DSLR). Aperture: f/2.8 – f/32. Image Stabilization: 3.5 Stops (IS III). Elements/Groups: 23 Elements in 19 Groups. Weather Sealing: Yes.