This vintage Bell & Howell Project-or-View 500 is a must-have for photography enthusiasts. With its portable and table-top projection features, it's perfect for showcasing your slide collection. Weighing in at 11 lbs, this unit is a solid addition to any home or studio. The slide projector is compatible with 2x2-inch slides. It does not have the slide tray that goes with it. If interested I can check my back stock and let you know if I find any trays that work with it.

It is a unit type projector with a model number of 500. The brand is Bell and Howell, a trusted name in photography. This camera falls under the category of Cameras & Photo, Film Photography, and Slide & Movie Projection, specifically Slide Projectors.