作者: 敏男 白鳥 , Toshio Shiratori , Tadashi Komiyama , 忠史 小宮山
DOI:
关键词: Lens (geology) 、 Optics 、 Optical axis 、 Physics 、 Group (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.