| 摘要 |
In a lens system assembling method, the spacing between two mutually opposing lenses are set more accurately without increasing the manufacturing cost of the lens system. The method includes the steps of: holding a first lens (10) with a lens holding member (60), with the opposing lens face (12) of the first lens (10) being brought into close contact with a first receiving face (51) of a spacing jig (50), and a lens receiving face (61) of the lens holding member (60) being brought into close contact with a second receiving face (52) of the spacing jig (50); removing the spacing jig (50) from the first lens (10) and the lens holding member (60) holding the first lens (10); and setting the spacing between the mutually opposing first and second lenses (10, 20) at a predetermined distance (h) by abutting the second lens (20) to the lens receiving face (61) of the lens holding member (60) such that the opposing lens face (21) of the second lens (20) is brought into close contact with the lens receiving face (61).
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