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請問有平行光特性的照明設備哪裡買?

Jun 17th 2013, 03:13

如題目所講

我需要具有平行光特性的燈具，如檯燈或手電筒(中型)等

在網路上有找了許多照明設備的賣家及其他相關資料，但最多只有找到製造平行光的原理

但我是比較想要有能直接發射出平行光的照明設備

請問有大大知道那裡有在賣具平行光的照明設備嗎?

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