Sigma 24-70mm f/2.8 DG OS HSM Art

Amateur Photographer - - Testbench -

Users will find that cen­tre and cor­ner sharp­ness im­proves con­sid­er­ably by stop­ping the lens down from f/2.8. Cen­tre sharp­ness at all fo­cal lengths peaks be­tween f/4-f/ 5.6, with the best edge-toedge sharp­ness be­ing lo­cated be­tween f/ 5.6-f/8. Cor­ner sharp­ness never reaches the same level as cen­tre sharp­ness, and our re­sults tell us that it de­liv­ers sharper re­sults into the cor­ners at wider fo­cal lengths than it does at the far end of the zoom.

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