Patent ID: 7894105

Claim:
An image reader operable to read images including first and second original images, comprising: an image reading unit comprising: a first image reading element array including a plurality of photoelectric conversion elements which are linearly disposed; a second image reading element array including a plurality of photoelectric conversion elements which are linearly disposed, the second image reading element array being disposed parallel to the first image reading element array; a base supporting the first and second image reading element arrays disposed on a same plane thereon; a first rod lens member configured to focus the first original image, disposed at a first focal position, onto the first image reading element array; and a second rod lens member configured to focus the second original image, disposed at a second focal position, onto the second image reading element array, wherein the second rod lens member has a conjugation length different from a conjugation length of the first rod lens member; a movable unit moving the image reading unit relative to at least one of the first original image and the second original image; and a holder and an original table adapted to support originals including first and second originals, wherein the original table directly supports the first original thereon, and wherein the holder accommodates the second original at a predetermined location above the original table, a distance between the predetermined location and the original table corresponding to a difference between the conjugation length of the first rod lens member and the conjugation length of the second rod lens member.