The Sightron Series III 10 x 42mm Phase Coated Binoculars Sightron's first series of premium quality low dispersion glass. The lead free ecofriendly glass is designed to exacting standards for premium performance in all lighting conditions.
The fully-multicoated objective and ocular lenses are complimented with a special BAK-4 phase coated prism to provide the ultimate performance at a reasonable price. This high performance optical package is complimented by an ergonomically designed black rubber armored open hinge design which is comfortable for a full day in the field. The Series IIILR binoculars are waterproof, fogproof and nitrogen filled.