| 摘要 |
PROBLEM TO BE SOLVED: To provide an eccentricity adjustment device which allows eccentricity adjustment to be performed in the same condition even in a unit level of a lens group as in a complete article. SOLUTION: An adjustment device 1 has: an optical system part 2 provided in one side of a substrate 20; and an eccentricity adjustment part 15 provided in the other side. The optical system part 2 has: a barrel 13 for adjustment including a third lens group 5 being a reference; and a chart projecting optical system, and a second lens group 4 including an adjustment object lens 4a is attached to the barrel 13 for adjustment, and a chucking member 10 overlapping a diaphragm plate 9 having an opening part 9a is inserted to the optical system part 2 from the side of the eccentricity adjustment part 15 and is made to catch the adjustment object lens 4a and moves in a horizontal surface to perform eccentricity adjustment. COPYRIGHT: (C)2005,JPO&NCIPI
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