I read the reviews of the owners, and decided to write this review. Users indicate disadvantages: narrow indoors, for crop, small depth of field, no stabilization. You bought a 56mm hole 1.4, the box says for a crop, these are not flaws, these are specifics, the only drawback that everyone is silent about, I indicated above. Pros: An excellent compact lens, the picture is lovely, smooth, pleasant, non-distracting bokeh, accurate focus, fast (I have a model on EF-M, I donโt know, but I think Canonโs dual pixel is the best autofocus system, even compared with Sony a9). Hole 1.4 is very good for this lens size, sharp open. Aperture 9 petals, not many but not 5 or 6, I hope there is no need to explain what this affects. Got cons: All the joy was overshadowed by a pillow-shaped distortion, so strong, just horror. How could such a manufacturer make a lens with such huge distortion. It is treated easily in the converter. I don't know if Sony carcasses can cure this when shooting directly in JPG, my Canon carcass cannot, although the lens is recognized and the built-in JPG is made with corrected vignetting and chromatic aberrations. I think Sigma first developed this lens for micro 4/3 (crop 2) there, almost all this disgrace will be cut off because a small frame, on Sony, Fujifilm and Canon M, the frame is 2 times larger in area and distortion is noticeable even to the naked eye. Why not a single commenter above wrote about this, I donโt understand .
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