Tamron50-500在150mm端是F5，500mm端最大F6.7。长焦大光圈可是天价，而且重大很多

来源: 酒仙桥2 于 2023-08-24 20:10:40 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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