The Fraser Optics Dioptometer is a precision instrument used to accurately determine the diopter zero setting of another optical device.
Note:
Export of this device described herein is strictly prohibited without a valid export license issued by the U.S. Department of State Office of Defense Trade Controls, as prescribed in the International Traffic in Arms Regulation (ITAR), Title 22, Code of Federal Regulation, Parts 120-130, and/or the U.S. Department of Commerce. For further information contact the Office of Defense Trade Controls and/or the U.S. Department of Commerce.