magnetic prisms

Optego's individual prism blocks in a compact polymer carrying case. The case opens flat and fits in a drawer. Each prism contains a small magnet that attaches to a magnetic handle with an audible click. Dimensions: 8-7/8" W x 8" D x 2" H. All prisms are made using Clear Prism® Technology. Diopters Included: 0.5, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16, 18, 20, 25, 30, 35, 40, 45, 50