Canon RF 70-200mm f/2.8L IS USM Lens is a high-end telephoto zoom lens that offers a constant f/2.8 aperture, advanced optics, and a compact design ¹. Here are some key features:

Constant f/2.8 Aperture: Maintains consistent illumination throughout the zoom range and suits working in low-light conditions.
Advanced Optics: One UD (Ultra-Low Dispersion) element and one Super UD element help to minimize chromatic aberrations and color fringing ².
Image Stabilization: An Optical Image Stabilizer helps to minimize the appearance of camera shake by five stops ².
Dual Nano USM AF System: Quick and accurate focusing with full-time manual focus override ².
Weather-Resistant Design: Protects against dust and moisture to enable use in inclement conditions.