Widely used in the publishing and pre-press areas, JUST Visual Color Control systems are the perfect, multifunctional color quality control system for the presentation of layouts, proofs, print-outs or transparencies. Proof Top Multi 5000 Viewing Surface: 28 1/2 x 21 1/2 $1,790.00 Challenge 5000 3B Viewing Surface: 40 x 28 $3,190.00 Challenge 5000 6B Viewing Surface: 55 x 40 $4,690.00