Have and focus device, can carry on astigmatism and spotlight regulate.
具有调焦装置,可以进行散光和聚光调节。
The utility model relates to a device which can focus sunlight, send the sunlight to rooms which have poor light, and convert the sunlight to illumination light.
本实用新型涉及一种能聚焦太阳光、并能将光线传输到的光较差的室内,转换成照明灯的装置。
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