□ United States merchants most commonly used Lightbox □ D65 lights for filtering Tungsten Lamp patented technology to facilitate color temperature adjustment □ regulate memory and storage functions, the need to be stored for each source of strength □ digital display with automatic power-saving devices and six independent timer □ internal low gloss and Munsell standard grey (N7) Background □ on a larger color space for bulky items on the use of color □ the nation's largest manufacturer of professional standards light production