适马昨日宣布推出新款 70-200mm F2.8 DG DN OS | Sports 镜头，该镜头适用于全画幅无反相机。该镜头采用 15 组 20 片设计，包括 3 非球面、6 FLD 和 2 SLD。镜头长度为 205 毫米，最大直径为 90.6 毫米，E 卡口重量为 1335 克，L 卡口版本为 1345 克，滤镜尺寸为 77mm。这款镜头提供高速精准的自动对焦和全新的光学防抖算法“OS2”，同时具有全天候防护性能。目前，适马尚未公布该镜头的国行售价。
新闻翻译（英文）：
On October 6th, Sigma announced the launch of the new 70-200mm F2.8 DG DN OS | Sports lens, which is designed for full-frame mirrorless cameras. This lens features a 15-stop, 20-element design, including 3 non-spherical, 6 floating-point lens elements, and 2 subject-matter diffusers. With a length of 205mm, a maximum diameter of 90.6mm, an E-mount weight of 1335g, and a L-mount version weighing 1345g, this lens offers high-speed, precise autofocus and a new optical stabilization algorithm “OS2.” It also features 全天候 protection. Currently, Sigma has not announced the domestic price of this lens.
【来源】https://www.ithome.com/0/723/294.htm
Views: 0