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索尼正式发布新款α卡口镜头70～200mm F2.8 G SSMⅡ,镜头延续了第1代产品的16组19片式光学结构,含4片ED镜片,9片光圈叶片,最近对焦距离1.2m,最大放大倍率0.21倍。考虑到户外拍摄需求,新镜头加入了防尘、防滴溅设计,并采用最新的NanoAR镀膜技术,提升抗鬼影、眩光性能。内置新型LSI镜头处理芯片,可实现复杂、精确的合焦控制,且无论在精度还是速度上,相对以前产品都有大幅提高,对运动物体的跟踪对焦性能更是70～200mm F2.8 G SSM的4倍。该
Sony officially released the new α mount lens 70 ~ 200mm F2.8 G SSM Ⅱ, the lens continues the first generation of 16 sets of 19-chip optical structure, with 4 ED lenses, 9 aperture blades, the closest focusing distance of 1.2m, The maximum magnification 0.21 times. Taking into account the needs of outdoor photography, the new lens joined the dust-proof, splash-proof design, and the use of the latest NanoAR coating technology to enhance anti-ghosting, glare performance. Built-in new LSI chip processing chip can achieve complex and accurate focus control, and in terms of accuracy or speed, relative to the previous product has greatly improved, the tracking performance of moving objects is 70 ~ 200mm F2.8 G SSM 4 times. This