4 Loupes Great For Jewelers & Viewing Stamps, Coins, Beads & GemsThis is a new set of 4 round loupes. Great for viewing stamps, coins, beads and gems. All are made of optical glass with a swing-away gold plated case. The shape allows them to rest comfortably in the eye socket. These can be used for any application where magnification is needed. Each has a focal distance of 1" (25 mm).You receive: One doublet loupe that has a lens that measures 18 mm (3/4") in diameter. One loupe that has a lens that measures 15 mm (5/8") in diameterWe 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.