Optego Magnetic Prism Block Set

Optego's individual prism blocks are manufactured following our proprietary ClearPrism® Technology Protocol. Made from a clear acrylic material. Each prism is laser engraved with the appropriate diopter power and contains a small magnet that 'snaps on' to a magnetic handle. Superior Optical Quality. Made in the USA. The magnetic prism block set features 22 prisms that come in a compact polymer case with a carrying handle. The case opens flat and fits in a drawer. DETAILS Set consists of 0.5, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16, 18, 20, 25, 30, 35, 40, 45 and 50 diopters, with two magnetic handles. DIMENSIONS Single universal prism block: 1-7/16" (37 mm) high  /  Case: 8-7/8" x 8" x 2" (225 x 203 x 50 mm)  /  Handles: 4" (102 mm) long