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标题: who can supply standard Fresnel lens? [打印本页]

作者: fay 时间: 2004-10-29 00:27
标题: who can supply standard Fresnel lens?

who can provide standard Fresnel lens? I have to buy from www.fresneltech.com/ which is very expensive. you can find their catalog at http://www.fresneltech.com/pdf/FresnelLenses.pdf

please send me your catalog to fwang@asmpt.com. you can find we are a worthy customer.

Please don't ask me for the mass production, what we need is small amount but versatility.

作者: stevenwu 时间: 2004-11-10 20:36
我知道山东有一家在给3M配套做书写投影仪上的fresnel透镜，实力应该不错。

作者: 妩点依依 时间: 2004-11-10 22:33

这是一个什么样的产品啊？有什么作用？

作者: sun8-1-1978 时间: 2004-11-23 02:37

成像

作者: liuhk 时间: 2004-12-5 20:28

了解的人越來越多,應用也越來越廣,但是光損失的部份不知道有沒有人能解決?

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