ViewMaster Model D -Deluxe Focusing Viewer - For Discriminating Enthusiast Deluxe Viewer for Discriminating ViewMaster 3D Viewing Completely refurbished and overhauled - restored to like new See ViewMaster Images like never before - Enlarged with great depth and detail Viewer is made of bakelite - uses 2 "D" batteries (not included) Viewer is internally lit with LED bulb - enlarges image 8X as compared with 5X - what a difference