12 Aluminum 2X Eye Loupes For Jewelers, Coin & Stamp Collectors. This is a new set of 12 aluminum 2X eye loupes Great for jewelers and viewing stamps, coins, beads and gemstones. These high quality loupes are durable and lightweight. Has distortion free lenses. It is black on the inside of the aluminum housing to eliminate glare. Each has a focal distance of 4 1/2" (101.5 mm) We work hard to update our descriptions and pictures of our merchandise. As part of a process of ongoing innovation by our suppliers, newer versions of the item shown may be shipped before we are able to complete an update. As a result there may be a slight variation in color and design.