In short, are you choosing between sigma art and this canoe? Take this canoe. It’s lighter, a little weaker in sharpness, but you don’t take pictures on billboards either. Does not smear in focus from the word almost. It happens to miss once, BUT knowing Sigma, this can not even be considered. I have a sigma 50mm art, I don’t regret buying it, although there are drawbacks. But it's still much better than the original 1.2. You will not really use either 1.2 or 1.4 (infa weave). 2.0 is enough for the eyes. And it's lighter! It is a pity that there are no similar analogues for 50mm. (you can not suggest in the comments, I know what I need)
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