12X 15X Double Lens Eye Loupe Jewelers Watchmakers Tools. This is a set of 2 new plastic eye loupes. Each has distortion free lenses. The shape of these eye loupes allows them to rest comfortably in the eye socket. You receive: One 15X eye loupe with a 3/4" (19 mm) focal distance. One 12X eye loupe with a 7/8" (22 mm) focal distance. 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.