An imaging system, comprising: a frame; a conveyor system (140, 332, 344, 364, 432, 602) having a generally planar conveyor surface that is movable with respect to the frame in a direction of travel (368, 416, 450), the conveyor surface operative to convey an object (130, 328, 330, 340, 342, 394, 412, 430, 612) in the direction of travel, wherein the object has an optical code (240, 250, 414, 452, 614, 616) associated therewith; and at least one imager system (120, 336, 348, 362, 428, 604, 610) in a position with respect to the frame that is fixed during movement of the conveyor surface in said direction of travel, the at least one imager system comprising an image sensor comprising an array of optical detectors, optics configured to focus light reflected from a field of view (302, 334, 346, 366, 406, 436, 440) onto the image sensor, and a processor, wherein the image sensor is configured to output to the processor data representative of an image of the field of view, wherein the conveyor system outputs at least one signal representative of a position of the object with respect to the field of view, and wherein the processor is configured to receive the at least one signal representative of a position of the object with respect to the field of view, determine a position of the object with respect to said field of view based on the at least one signal; characterized in that upon determining that the object is within the field of view, and based upon a predetermined distance between the object and the optics, the processor is further configured to define a region that bounds the data representative of the image at least with respect to the direction of travel and that encompasses a position the object would have in the data representative of the image if the object is at the determined position in the field of view and at the predetermined distance from the optics. a frame; a conveyor system (140, 332, 344, 364, 432, 602) having a generally planar conveyor surface that is movable with respect to the frame in a direction of travel (368, 416, 450), the conveyor surface operative to convey an object (130, 328, 330, 340, 342, 394, 412, 430, 612) in the direction of travel, wherein the object has an optical code (240, 250, 414, 452, 614, 616) associated therewith; and at least one imager system (120, 336, 348, 362, 428, 604, 610) in a position with respect to the frame that is fixed during movement of the conveyor surface in said direction of travel, the at least one imager system comprising an image sensor comprising an array of optical detectors, optics configured to focus light reflected from a field of view (302, 334, 346, 366, 406, 436, 440) onto the image sensor, and a processor, wherein the image sensor is configured to output to the processor data representative of an image of the field of view, wherein the conveyor system outputs at least one signal representative of a position of the object with respect to the field of view, and wherein the processor is configured to receive the at least one signal representative of a position of the object with respect to the field of view, determine a position of the object with respect to said field of view based on the at least one signal; characterized in that upon determining that the object is within the field of view, and based upon a predetermined distance between the object and the optics, the processor is further configured to define a region that bounds the data representative of the image at least with respect to the direction of travel and that encompasses a position the object would have in the data representative of the image if the object is at the determined position in the field of view and at the predetermined distance from the optics.