| 摘要 |
PROBLEM TO BE SOLVED: To replace, by a simple operation, only a unit storing a lens required to be replaced when an objective lens requires replacement of only some lenses. SOLUTION: The objective lens 100 is composed of an emission light-side unit 200 and an incidence light-side unit 300 and includes fitting parts 201b and 301b which fit the units together. The axes of lenses stored in the units are adjusted by being aligned to the center axes of the fitting parts formed on the mating units to be fitted together. COPYRIGHT: (C)2009,JPO&INPIT
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