This package contains two pairs of Standard-size EYESHIELDS. Standard EYESHIELDS from Field Optics Research fit binoculars with eyecup diameters from 1.45 to 2.15 inches.
The EYESHIELD is is a flexible molded rubber material that connects to the eye piece of the binocular. EYESHIELDS envelop eyes in darkness, preventing ambient light from causing lens glare. EYESHIELDS also block out wind, rain, snow, dust and peripheral distractions. EYESHIELDS are a must-have for everyone who uses binoculars.
Patent No: USD899547