Introduction Billed as Canon’s professional standard zoom lens, the EF24-70mm f/2.8L II USM replaces the popular full-frame EF 24-70mm f/2.8L USM model, introduced in 2002. The new lens was developed to address some of the shortcomings of the previous model and so features a redesigned optical configuration as well as a more durable outer barrel and zoom mechanism to maintain performance over its lifetime. Not only that, but the new lens features water-and-dustproof seals around the zoom and focus rings, switches, extending barrel and lens mount.As well as adopting UD glass, the lens features a Super
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