| 摘要 |
An image scanning unit includes at least two lens groups for imaging a reflected image of a manuscript on a lined photoelectric conversion element ( 12 ), lens barrels ( 14, 15 ) for holding the lenses, respectively, and constituting an imaging lens system ( 16 ), a base member ( 10 ) on which the lined photoelectric conversion element ( 12 ) and the lens barrels ( 14, 15 ) are disposed, and intermediate holding members ( 13, 19 ) for mounting at least one of the lens barrels ( 14 ) and the lined photoelectric conversion element ( 12 ) on the base member ( 10 ).
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