The lights are ideally used in combination with base cabinets with slanted surface in order to compare proofs with the final print sheets. The asymmetrical direction of the interior aluminium reflectors casts light at precisely calculated angles on the viewing surface, eliminating glare and shadows almost completely. Color Control Professional Viewing Surface: 40 x 20 $1,490.00 Color Control Professional Viewing Surface: 40 x 28 $1,590.00 Color Control Professional Viewing Surface: 55 x 28 $1,690.00 Color Control Professional Viewing Surface: 40 x 40 $1,690.00 Color Control Professional Viewing Surface: 55 x 40 $1,950.00 Color Control Professional Viewing Surface: 55 x 47 $2,890.00