Lens unit and lens unit manufacturing method

作者: 敏男 白鳥 , Toshio Shiratori , Tadashi Komiyama , 忠史 小宮山

DOI:

关键词: Lens (geology)OpticsOptical axisPhysicsGroup (periodic table)Unit (ring theory)

摘要: PROBLEM TO BE SOLVED: To provide a lens unit that enables secure adjustment of an optical axis in configuration having at least four groups held by cylindrical holder, and to manufacturing method.SOLUTION: In holder 30 1, second group holding part 32 52 positioned order from object side has protrusion 325 surrounds periphery outer peripheral end 520 state with gap G X-direction Y-direction between the part. The is provided caulking 320 deformed so as cover side. Further, adhesive 321 applied 32, are also fixed 321.

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Ichiro Saito, 一郎 齊藤, Wide angle lens and cemented lens ,(2005)