Precision 10x Silver Hastings Triplet Jewelers Loupe GemOro Superior Instruments has been the world's leading supplier of the highest quality optical products for the gemological field for more than a decade. Naturally, GemOro Hastings Triplet loupes have been the brand of choice for discriminating professionals, retail jewelers, gemologists, appraisers, pawnbrokers and the finest jewelry store chains. With a reputation for offering excellent magnification, these superior Japanese quality optics feature three bonded, aplanatic and achromatic, color corrected lenses. GemOro Hastings triplet loupes have unmatched optical clarity which set a new standard in precision optics and loupe styling. 10x 18mm Oval Shaped Hastings Triplet Includes a leather carrying case.