A compact imaging lens system consists of a first positive aspheric lens element on the object side and a second negative aspheric lens element on the image side. At least one branch processing station is positioned intermediate the beginning and the end of the trunk wherein the branch processing station during its operation performs at least one process on articles of manufacture conveyed on the branch processing station and where the articles are conveyed in a second mode of motion. The perimeter wall includes a rear wall, a first lateral wall, a second lateral wall, and a front wall. When the communications device receives the data transmission request it transmits the stored measured data to the server. A guide plate is located above the hook and movably accommodated in a guide slot in the outer tube so that the operation member is operated in stable status. Different tasks are programmed with a respective table of opcodes to be stored in the opcode table.