Image reading imaging optical system and image reading apparatus using the same
An image reading imaging optical system for imaging image information on a line sensor and reading the image information has an imaging optical element including a plurality of off-axial reflecting surfaces differing in the direction of incidence and the direction of emergence of a reference axis ra...
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| Hauptverfasser: | , |
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | An image reading imaging optical system for imaging image information on a line sensor and reading the image information has an imaging optical element including a plurality of off-axial reflecting surfaces differing in the direction of incidence and the direction of emergence of a reference axis ray from one another and having curvatures. |
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