Name: Canon calls this the Canon Zoom Lens EF 70-200mm f/2.8 L IS USM. EF: Electronic Focus. All modern Canon lenses do this.L: Expensive as L.IS: Image Stabilization. (Why IS Matters)USM: Ultra-Sonic Motor: The focus motor operates silently....
the 70-200mm F2.8 DG OS HSM Sport lens comes in at a discount compared to its Canon and Nikon counterparts. Sigma has set the retail price at $1,499 USD, a full $600 cheaper than Canon’s 70-200mm F2.8L IS III USM lens and exactly a thousand dollars cheaper than Nikon’s ...