Lens Lab
    Canon EF 400mm F2.8L III
    Canon EF 400mm F2.8L III

    Canon EF 400mm F2.8L III

    400mm · f/2.8

    Overview

    The Canon EF 400mm f/2.8L IS III is a lightweight super-telephoto lens praised for its superb image quality, sharpness wide open, and fast AF. It reduces weight by 26% to 2840g with improved balance. Weaknesses include noticeable vignetting at f/2.8 and high cost. Build quality is excellent with weather sealing. It suits professional sports, wildlife, and photojournalism photographers.