Canon RF 400mm f/2.8 L IS USM
#4 in Telephoto Lenses · Rated 4.7
Fast 400mm f/2.8 prime for sports/wildlife
Canon's RF 400mm f/2.8 L IS USM is a purpose-built super-telephoto prime with a bright f/2.8 aperture, designed for action-packed wildlife and sports work. It inherits optical characteristics from the EF 400mm f/2.8 but leverages RF mount advantages, including improved IS performance, AF speed, and compatibility with RF extenders. The lens is known for its compact design relative to prior generations, reliable weather sealing, and superb center-to-edge sharpness across the frame. It remains a favorite among professionals who demand ultimate image quality, even in low light, and consistent performance in stadiums or open landscapes.
Features
- Up to 5.5 stops IS
- RF extender compatibility
- Three IS modes
- ASC/SSC coatings
- Rugged, weather-sealed construction
Pros
- Excellent low-light performance
- Strong autofocus and stabilization
- Outstanding image quality
Cons
- High price
- Very heavy for travel