A digital scanning apparatus comprising: a motorized stage configured to support a specimen and move the specimen at a substantially constant velocity; an illumination system configured to illuminate a field of view; an objective lens defining an optical path that optically couples the illuminated field of view to a camera (615; 620); the camera (615; 620) comprising a plurality of light-responsive elements disposed in a plurality of linear arrays, wherein the camera (615; 620) is tilted with respect to the optical path such that each of the plurality of linear arrays is positioned in a different one of a plurality of image planes, with respect to the optical path, than any of the other plurality of linear arrays, wherein each of the plurality of linear arrays is configured to generate a plurality of lines of image data in synchrony with the substantially constant velocity of the motorized stage, and wherein each of the plurality of lines of image data in each of the plurality of linear arrays corresponds to one of the plurality of lines of image data in each of the other plurality of linear arrays; and characterized by at least one processor configured to, for a specimen on the motorized stage, for each of the plurality of linear arrays, determine a contrast value for each of the plurality of lines of image data generated by that linear array, wherein the contrast value is determined by computing an average contrast value for each of the plurality of lines, compare the contrast values for each set of corresponding lines of image data generated by the plurality of linear arrays to determine a highest-contrast line of image data for each set of corresponding lines of image data, wherein the highest-contrast line of image data has a highest contrast value among the respective set of corresponding lines of image data, and combine the highest-contrast lines of image data from each set of corresponding lines of image data to generate an image of at least a portion of the specimen. a motorized stage configured to support a specimen and move the specimen at a substantially constant velocity; an illumination system configured to illuminate a field of view; an objective lens defining an optical path that optically couples the illuminated field of view to a camera (615; 620); the camera (615; 620) comprising a plurality of light-responsive elements disposed in a plurality of linear arrays, wherein the camera (615; 620) is tilted with respect to the optical path such that each of the plurality of linear arrays is positioned in a different one of a plurality of image planes, with respect to the optical path, than any of the other plurality of linear arrays, wherein each of the plurality of linear arrays is configured to generate a plurality of lines of image data in synchrony with the substantially constant velocity of the motorized stage, and wherein each of the plurality of lines of image data in each of the plurality of linear arrays corresponds to one of the plurality of lines of image data in each of the other plurality of linear arrays; and characterized by at least one processor configured to, for a specimen on the motorized stage, for each of the plurality of linear arrays, determine a contrast value for each of the plurality of lines of image data generated by that linear array, wherein the contrast value is determined by computing an average contrast value for each of the plurality of lines, compare the contrast values for each set of corresponding lines of image data generated by the plurality of linear arrays to determine a highest-contrast line of image data for each set of corresponding lines of image data, wherein the highest-contrast line of image data has a highest contrast value among the respective set of corresponding lines of image data, and combine the highest-contrast lines of image data from each set of corresponding lines of image data to generate an image of at least a portion of the specimen.