The UV Cabinet is suitable for inspecting thin layer CHROMATOGRAMS & other objects in an undarkened rooms. The front of the cabinet is closed with a magnetic lock, which can be pushed open. A Glass filter in the viewing window protects the EYE against reflected SHORT-WAVE UV light. Great care has been taken to ensure the correct distances between UV Lamp , object & the Observers Eye in the interest of good illumination & untroubled viewing.