Just posted! In the second instalment of our latest series of lens reviews, we focus on Canon's mid-range standard prime, the EF 50mm F1.4 USM. With a distinctly traditional optical formula dressed up in a modern AF body, and designed as a standard lens for 35mm film but now more frequently serving as a short portrait lens on APS-C, how does this relative veteran compare to Sigma's brand new 50mm F1.4 EX DG HSM which we reviewed last month?

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