Fluorite and Super UD-Glass Lens Elements
The Canon EF 100-400mm f/4.5-5.6L IS USM telephoto zoom lens boasts fluorite and Super UD-glass elements to correct chromatic aberration and largely eliminate secondary spectrum, providing excellent optical performance in terms of resolution and contrast.
Ring-Type USM (Ultra-Sonic Motor)
Spinning by ultrasonic oscillation energy, the USM is quiet and quick, making this lens almost noiseless and autofocusing fast, precise and practical.
Optical Image Stabilizer
The Canon EF 100-400mm f/4.5-5.6L IS USM telephoto zoom lens features Optical Image Stabilizer with two modes to provide shake correction for sharp, blur-free images.
