Especially suitable for color corrected office illumination and conference room lighting. The symmetrical, mirror like aluminium reflectors in combination with the prismatic acrylic glass distribute the light vertically and evenly over a level surface. Color Control 5000 Viewing Surface: 24 x 17 $590.00 Color Control 5000 Viewing Surface: 40 x 17 $790.00 Color Control 5000 Viewing Surface: 40 x 20 $990.00 Color Control 5000 Viewing Surface: 40 x 28 $1,290.00 Color Control 5000 Viewing Surface: 55 x 28 $1,390.00 Color Control 5000 Viewing Surface: 55 x 40 $1,790.00