The Sigma 24-70mm at Amazon, BHphoto, Adorama, FotoErhardt, WexUK.
Sigma just issued the following statement:
To our valued SIGMA 24-70mm F2.8 DG DN II | Art customers
We sincerely appreciate your continued support.
We have confirmed that some SIGMA 24-70mm F2.8 DG DN II | Art lens when focusing on the wide end, may not be able to focus to infinity or may experience reduced focusing accuracy.
We would like to inform you that we will begin providing re-adjustment of the focus position free of charge starting today.
Please note that this phenomenon will not occur with SIGMA 24-70mm F2.8 DG DN II | Art lenses with serial numbers other than those applicable.
We deeply apologize for the inconvenience caused to our customers and all concerned parties.
We kindly ask for your continued support of our company and products in the future.
[Affected Products]
Please enter the serial number of your SIGMA 24-70mm F2.8 DG DN II | Art lens on this page to determine whether your product is affected by the issue. This phenomenon does not occur to lenses with other serial numbers that are not applicable.
[Confirmed Issue]
Regardless of the focus mode, when shooting at the wide end, the lens may not be able to focus to infinity or the focus may be soft.
[Treatment on this issue]
Customers whose SIGMA 24-70mm F2.8 DG DN II | Art has been confirmed to be affected are requested to contact their local authorized SIGMA Service Station at
https://www.sigma-global.com/en/corporate/world-network/.
For further information, please contact your nearest authorized SIGMA subsidiary / distributor.
https://www.sigma-global.com/en/corporate/world-network/