发明名称 |
Objective and assembling method for the same |
摘要 |
An objective comprises: a first group including a plurality of lens groups arranged at a predetermined interval; a second group composed of a single lens-group; a pressing ring which is screwed in, the pressing ring being for fixing the first group; and an outer frame accommodating the first group, the second group, and the pressing ring, wherein the outer frame includes a first hole at a position facing the second group. |
申请公布号 |
US8259403(B2) |
申请公布日期 |
2012.09.04 |
申请号 |
US201113018518 |
申请日期 |
2011.02.01 |
申请人 |
KUWAHARA MASASHI;SUGIZAKI NORIYUKI;OLYMPUS CORPORATION |
发明人 |
KUWAHARA MASASHI;SUGIZAKI NORIYUKI |
分类号 |
G02B7/02;G02B15/14;G03B17/00 |
主分类号 |
G02B7/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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