Steiner 750 Anti-Reflective OD Green, 50mm Objective
https://www.tandktactical.com/shop/000381807502-steiner-750-anti-reflective-od-green-50mm-objective-26445
https://www.tandktactical.com/web/image/product.template/26445/image_1920?unique=bc675a8
Anti-reflective device for 7x50 and 10x50 binoculars.
