Gagne's Tracemaster opaque art projector is a rugged unit built from heavy duty molded plastic featuring a 6.75" x 6.75" field of view and can project the original image up to 20x. New feature for this unit is it now has a reducing and enlargement lens. It reduces up to 70% of the original image. The lens is imprinted on each end for the different options. It also has the convenience of a handle and a bottom loading design, facilitating the projection of larger images by sections; by easily mov