Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP18792084ApriorityCriticalpatent/JPS6167011A/ja
Publication of JPS6167011ApublicationCriticalpatent/JPS6167011A/ja
Publication of JPH0481766B2publicationCriticalpatent/JPH0481766B2/ja
G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens