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针对4500产品的复眼透镜去哪里购买?

Other Parts Discussed in Thread: DLP4500

如题,复眼透镜开模加工太贵了,哪里又成品可以购买呢?

还有设计光机的时候,需要注意什么问题么?有没有坑在里面,期待大神回答