Kaiser Fototechnik 6874 Lens Hood for Canon EF 24-70 / 2.8 L USM (replaces Canon EW-83F) (Accessories)
Since the original lens hoods Canon are based on the price of the lens is the original extortionate. The Gelis Emperor make very robust and fit. I bought this model for an old 28-70 L2.8 and with filing a little fits these aperture of the successor m
