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Sigma 20-40


ricardojmendez

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  • 2 years later...

Hi Ricardo,

 

It is probably too late to answer, but in case you haven't decided yet: I have Sigma 20-40 and I think it has relatively good optical properties: almost no distorsion, low light falloff, but some chromatic aberation at the corners (common problem for wide angle lenses, can be very well corected in image processing software). The lens is also very robust and mechanically well done. I don't have experience with Sigma 20/1.8, but according to several reviews it is inferior.

 

Josef

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