Artograph Super Prism Opaque Art Projector with 2 Lenses for Image Reduction and Enlargement  (Not Digital)

Artograph's super prism projector is an opaque projector. it can enlarge or reduce images you find on opaque surfaces like drawings, photos or pages from a book or a magazine. these images are projected on to a wall, work surface or table top so they can be redrawn at a different scale. the super prism projector, like the prism projector, uses two photo quality bulbs to produce 500-watts of white bright lighting. however, the super prism features a high quality, 3-element color corrected lens for extra sharp images and increased brightness. the super prism also includes an accessory prism lens which can be used for reduction of up to 80-percent of the original size. the super prism lens can enlarge up to 20-times the size of the original with extra sharp focus. the glass copy area is a generous 7-inch-by-7-inch and is top loading. the removable hinged lid is perfect not only for flat objects like photographs, but for books and small 3-d objects as well. the fan in the back of the proje.