是啊，1/4s或更慢，曾试图拍成像你的图4的效果，但没成功，抽空再多练习吧，再次谢谢！

来源: asdfg86 于 2019-07-04 05:09:03 [旧帖] [给我悄悄话] 本文已被阅读：次

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