5X 10X Dual Gold Jewelers Loupe 21mm Magnifying Glass 10X Eye Loupe. This is a new 10x gold plated doublet eye loupe. Extra-large 21 mm viewing area. Focal distance is 1" (25 mm). Quality lens for extra sharpness and clarity. Lens is color-corrected and spherically corrected. Quality case 10X Double Lens Folding Magnifier. This is a new double lens folding magnifier. Both lenses are 5X and you can combine the two for a total of 10X power. The powerful magnification may help reduce eye strain. It is convenient for your home, office and travel. Enlarges fine print in books, maps, newspapers, directories, legal documents, etc. The 5X lens has a 2" (51 mm) focal distance and the 10X has a 1" (25 mm) focal distance. It measures approximately 3 5/8" x 1 11/16" (92 x 43 mm) open and about 2 1/8" x 1 11/16" (54 x 43 mm) closed. 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.