<p>The present invention provides an image-scanning device having a large depth of field and being small in size. Such an image-scanning device has a plurality of cells (13) and an image pickup device (8) that is located so as to correspond to the cells and that picks-up the formed images. Each cell includes a first lens (3) having a first focal length (f1); an aperture member (5) located at the first focal length from the first lens; and a second lens (4) located at a second focal length (f2) shorter than the first focal length, with respect to the image pickup device.</p>
