I took this lens without looking like a loaf of bread, because I completely trust sigma, especially the top model, NO problems back front, color - no. Although everyone has their own cockroaches in colors, and here many begin. I'm happy, the customers are happy. Focus cannot smear out of a thousand photos, the maximum misses will be 20, just fellow photographers manually indicate the point where you need to focus, do not think that the machine knows your desires. I wonβt sing praises about the exclusivity of the lens, before that I shot sigma 30mm for 3 years, this one is better, but itβs up to everyone to decide whether to pay extra 15for a better focus, for an aristocratic shade of the picture. do not expect miracles from him, especially if you shoot in P or A modes, The lens will be a magician only in the hands of a magician
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