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The ultimate “normal” lens in the EF system. This superb lens is sharp even wide open, and of course its f/1.4 speed makes it perfect for available-light shooting. For many, it’s an ideal lens to accompany a zoom when shooting in low-light conditions. Compact and affordable, it’s the only lens in the EF system to combine the extra-small Micro USM and still provide full-time manual focusing when the lens is in the AF mode.