Unverified85% confidenceTradeoffTime unknown
光学素质全焦段全开F2.8即可用于商业出片,边缘画质和色散控制相比一代有明显提升,但与腾龙70-180等副厂在中心锐度上的差距并不悬殊,差距主要体现在边缘画质、抗眩光和焦外品质上
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Unverified光学素质在全开f/2.8时即表现出色,边缘画质、色散控制和抗眩光在同类镜头中处于顶尖水准,口碑公认是目前原厂24-70 f/2.8的画质标杆之一83% similarUnverified变焦单筒(如10-30x)便利但边缘画质、亮度和视野在高倍端明显劣化,追求成像质量应选定倍率型号80% similarUnverified200mm端全开F2.8的画质和边缘锐度在同焦段变焦镜头中属于顶级水平,口碑公认光学素质相比一代有明显提升79% similarUnverified全开光圈时中心锐度可用但边缘画质松散,收缩到f/4-f/5.6后画质明显改善;追求全开边缘画质的需求应考虑更高规格镜头79% similarUnverified全开光圈f/1.4时锐度明显不如原厂同焦段镜头,需缩至f/2左右才能获得较好的中心锐度,对画质要求严苛的用户慎选78% similar
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