This optical bench is a cost effective and useful optical system that permits experiments in reflection, refraction, lenses and the creation of images. The bench is 1.5m long with an adjustable metric scale. The comprehensive kit of parts includes convex and concave lenses, targets, large prism, prism table, various photographic slides, a white screen and sliding supports for components. Complete with a standard 'Hodson' Light Box as the light source.