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paulk:厉害,相对照度可以做到100%这么高?公差如何? (2019-08-16 19:13) C8ZL*9U
paulk:在0.5m,5m处光学性能如何? (2019-08-16 19:13) [c~kF+8
vicheng_xian:定焦的,投影距离是2.5米左右,投出画面120寸,大概投射比就是0.99 (2019-08-19 09:16) n$n7-7
paulk:正常投影镜头会有一个清晰投影范围,例如0.5m到5m (2019-08-19 19:15) <[-nF"Q
vicheng_xian:这就不知道咯(我业余的),你说的应该是指景深吧[表情] (2019-08-20 09:17) wk5s)%V
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