Sigma Just Confused a Lot of Photographers

The year was 2020 when Sigma announced its 100-400mm F5-6.3 DG DN OS Contemporary for E and L mounts. In our review, Pauleth Ip particularly noted how wildlife and sports photographers will love this budget superzoom. "The results are sharp with accurate colors. Performance is also comparable to Sony's excellent 100-400mm F4.5-5.6 G Master," she wrote. So, it wasn't entirely surprising to learn the same model being available in 2023 for X mount users. However, it now seems that the newest offeri...