GDP123 Lens Defect Checker is a ultra-white beam lamp unit that used to examine and detect flaws in lenses that may have occurred during the manufacturing process. A technician would place a white sheet of paper on the base of the lamp, hold the object to be viewed under the beam of light which is then projected onto the base or if turned 90 degrees onto a wall or projection screen.

It is small and exquisite, flexible to move, simple and convenient to use .