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一种菲涅尔透镜

申请公布号:CN202502260U

申请号:CN201220055944.5

申请日期:2012.02.21

申请公布日期:2012.10.24

申请人:
联钢精密科技(苏州)有限公司

发明人:刘国权;李磊;肖伟

分类号:G02B3/08(2006.01)I

主分类号:G02B3/08(2006.01)I

代理机构:
苏州华博知识产权代理有限公司 32232

代理人:傅靖

地址:215000 江苏省苏州市苏州工业园区唯新路9号唯亭镇工业坊A区A-4

摘要:本实用新型公开了一种菲涅尔透镜,包括壳体和透镜,所述透镜设置在所述壳体上,所述透镜包括入射面和出射面,所述入射面为五角形,所述入射面设有齿形结构,所述齿形结构为层层向外分布细密的齿纹环,所述出射面为平面。采用本技术方案的有益效果是:通过将该结构菲涅尔透镜的入射面为五角形,使该透镜外形美观,同时可以得到五角形光学照明效果;同时由于菲涅尔透镜光照度均匀,可满足拍摄跑道形或矩形视场的照明要求,提高整体照明均匀性和整体照明亮度,达到更好的拍摄效果。

主权项:一种菲涅尔透镜,包括壳体和透镜,所述透镜设置在所述壳体上,其特征在于,所述透镜包括入射面和出射面,所述入射面为五角形,所述入射面设有齿形结构,所述齿形结构为层层向外分布细密的齿纹环,所述出射面为平面。

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