Canon EF 100–400mm f/4.5–5.6L IS II USM

The Canon EF 100–400mm f/4.5–5.6L IS II USM, released in 2014, is a professional‑grade telephoto zoom lens designed for sports, wildlife, and action photography. It features a redesigned optical formula with fluorite and Super UD elements, delivering sharper images, improved contrast, and significantly reduced chromatic aberration across the zoom range. A rotation‑type zoom ring, enhanced 4‑stop image stabilization, and rugged L‑series weather sealing make it a durable and highly versatile choice for demanding outdoor shooters