Light boxes - we offer photography light boxes for photos and light boxes for tracing. Popular applications for light boxes include viewing sorting and organizing photos, slides, negatives, film and more, plus tracing. It is used by photography professionals viewing translucent films, such as slides. A Light box can be defined as a container with several lightbulbs and a pane of frosted Plexiglas or glass on the top. This device was originally used to sort photographic plates. Now light boxes are used for all types of different applications including photography and tracing.