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消息称适马5月发布新款24-70mm F2.8 DG DN变焦镜头，适配E/L卡口IT之家查询发现，适马 24-70mm F2.8 DG DN 标准变焦镜头发布于 2019 年 11 月，定价 7888 元。这是第二款专为无反相机设计的“Art Zoom”镜头，拥有颠覆性的 ...
SIGMA 24-70mm F2.8 DG DN是一款高性能的标准变焦镜头，适用于多种索尼相机。其F2.8的大光圈非常适合低光拍摄。该镜头采用了热稳定复合材料（TSC），以应对高频率使用时的耐热胀冷缩问题，并且重量达到了1020克。该镜头最大直径为88mm，滤镜尺寸为82mm，长度为107.6mm。
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Sigma just issued a recall for a popular Art lens, offering a free fix for lenses affected by an autofocus issueSigma has uncovered an autofocus glitch on some serial numbers of the Sigma 24-70mm f/2.8 DG DN II Art lens. On Thursday, December 19, Sigma Global issued a statement ...
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The edges are very good from f/2.8 to f/16 and still good at f/22. At 70mm, central sharpness is very good from f/2.8 to f/16, rising to excellent at f/4 and still being good at f/22. The edges ...
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