10X 20X Dual Loupe Magnifying Glass Magnifier. This is a new double lens folding pocket magnifier. Both lenses are 10X and you can combine the two for a total of 20X power. The glass lenses used in this folding pocket magnifier provides durability for a long life. The durable plastic swing-away case not only provides a protective cover for the lenses, but serves as a handle as well. Each 10X lens has a 1" (25 mm) focal distance. When combined for a total of 20X, it has a 1/2" (13 mm) focal distance. Measures approximately 2 3/16" x 1 1/2" x 1" (56 x 38 x 25 mm) closed and 3 15/16" x 1 1/2" x 1" (100 x 38 x 25 mm) open. 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.