Originally Posted by ddt0725
Good evening []
It looks to me like both lenses do great. Plus the Sigma seems to have quite good focus accuracy.
One thing though...what is it that you want to achieve with these tests? Seeing which one is better? At f2.8 for example the difference would be very small. Although in your side by side print screen I would have to say that the Sigma looks better to me.
Question: what was the reason for you to buy the Sigma? I assume for the larger aperture? Then test both lenses at max aperture and see what you like. Also compare the Canon to the Sigma, both at f1.8 and see which one performs better. The lens that has the best looking widest aperture that is usable, would be the winner I think? Also try to shoot at lower ISO values.
Of topic: the noise looks quite heavy on your shots. Especially for thoserelativelylow ISO-values. You might want to try "real" ISO values like 100-200-400-800-1600 etc.
Anyway enjoy your lens!
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