Canon's latest EF 70-200mm f/2.8 — Mark III with improved coatings and ASC for the ultimate L telephoto.
The Canon EF 70-200mm f/2.8L IS III USM launched in 2018 as the latest evolution of Canon's essential professional telephoto zoom. The Mark III improved coatings with ASC (Air Sphere Coating) and updated fluorine coating over the Mark II.
Optically outstanding — identical optical formula to the Mark II with improved coatings reducing flare and ghosting. IS provides approximately 3.5 stops. Ring USM for fast, silent AF. The 70-200mm f/2.8L remains the definitive Canon professional telephoto.
Canon EF mount with 77mm filter thread. Approximately 1480g. Full L-series weather sealing. ASC and fluorine coatings. Ring USM with full-time manual override. 1.4x and 2x extender compatible. Minimum focus distance 120cm.
Available used at professional prices. The Mark III is a subtle but meaningful improvement over the Mark II in flare resistance. The RF 70-200mm f/2.8L IS USM Z is the mirrorless successor. For Canon EF professional users wanting the best 70-200mm f/2.8.