Sigma 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 ...

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 ...

For general shooting and maximum versatility, a zoom lens will win every time against a prime. Looking for ultimate quality is something else, but with zooms as good as the Nikkor Z 24-70mm f/4S ...

although pretty good for a zoom lens, and of course correctable. We can measure -2.59% barrel at 24mm, changing as we zoom to pincushion with +0.53% at 35mm, +1.81% at 50mm and +1.87% at 70mm.