| 摘要 |
PROBLEM TO BE SOLVED: To easily adjust a focus even after arranging an imaging element at a shield member. SOLUTION: A double shield structure is constructed with a first shield member 12 and a second shield member 14; a screw-like pin is screwed along the peripheral direction of the first shield member 12, and a spring attached to a screw is energized toward the outer surface of the second shield member 14. Then, by changing the degree of screwing of the pin, the position of the second shield member 14 is finely adjusted. COPYRIGHT: (C)2008,JPO&INPIT
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