Looking for extreme sharpness on edges/borders of the image

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GinoLupino Junior Member • Posts: 44
Looking for extreme sharpness on edges/borders of the image

Hi everyone from Italy,

I'm a Canon shooter (5DS) and I shoot ancient paintings.

At the moment my favourite lens is Sigma 50 ART. It's the only one that I have that is extremely sharp on the edges/borders.

I think I'll buy in the future a Sigma 135 art but I would like to ask how is the Sigma 150mm f/2.8 EX DG OS HSM Macro compared to the 135 art.

For my photography a long macro would be better but I suppose that the 135 art is the best about sharpness.

Thank you in advance for your advises.

G.

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