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miao2:在LCOS系統(tǒng)中因?yàn)橐褂肞BS合光, 而絕大多數(shù)PBS在小F/#的條件下效率和對(duì)比度都不好,所以一般使用F/#2.0~2.2 (自己算角度吧),3M的PBS可以工作在1.4或者更小。(2010-10-19 13:35)嬀/color] E\e]K !
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