Sigma, a renowned lens manufacturer, has recently issued a significant announcement addressing the issues found in its popular SIGMA 24-70mm F2.8 DG DN II | Art lens. The statement reveals that some models of this lens are experiencing difficulties in focusing to infinity and a decrease in focusing accuracy at the wide-angle end.
To verify if a user's lens is affected, Sigma has provided an online check page. Users simply need to input their lens's serial number, and the system will determine if the mentioned issues are present. This measure aims to enable users to quickly understand the status of their lenses and take appropriate actions.
For users affected by the issue, Sigma has demonstrated a strong sense of responsibility. The company states that customers can send the problematic lens to Sigma China's after-sales service center for data adjustment to restore normal operation. Sigma will fully cover all shipping and service costs, offering users significant convenience and assurance.
Since its launch in May this year, the SIGMA 24-70mm F2.8 DG DN II | Art lens has gained popularity among photography enthusiasts with its exceptional performance and design. The lens incorporates a complex optical structure with 15 groups of 19 lenses, including high-end elements like FLD, SLD, and aspheric lenses. At the wide-angle end, it offers a maximum magnification ratio of 1:2.7, while maintaining a reduced size and weight compared to its predecessor, weighing only 745 grams.
The lens is also equipped with a range of practical features, including an aperture ring, an infinitely variable aperture switch, and an aperture lock switch, allowing photographers to make flexible adjustments according to their shooting needs. Additionally, the two AFL buttons on the lens can be functionally assigned through the camera's menu, enhancing shooting convenience and flexibility.
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