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随缘:非球面系数很小啊,正常的 (2017-01-15 13:53) &dtk&P{
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随缘:非球面系数很小啊,正常的 (2017-01-15 13:53) DJ ru|2
emaera:不算大哦~~~~~[表情] [表情] [表情] [表情] [表情] [表情] (2017-01-15 14:57) PvKGB01_
随缘:镜头结构越简单,达到的要求越高,非球面系数从低次项到高次项次数波动非常大,不过系数过大会导致高级像差之类的问题 (2017-01-15 15:03) r E1ouz!D
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