确实辛苦。400拍这么高的鸟有些吃力，我用到600有时都觉得太远，我们朋友的600加了1.4倍的增距器

来源: source4book.com 于 2020-09-21 21:03:50 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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