6X 10X 15X 30X Magnifying Glasses Jewelers Loupes/Loop 30X Eye Loupe. This is a new doublet lens loupe made of optical glass with a round swing-away chrome plated case. The shape allows it to rest comfortably in the eye socket. This has become the standard style of loupe used in the watch making industry and is excellent for any application where magnification is needed. In terms of performance, it is second to none. It is 30X power and has a focal distance of 1/2" (13 mm). The lens has a 21 mm diameter 10X Triplet Loupe. This is a new 10X gold tone triplet eye loupe. It has a round swing away case. This is a quality lens for extra sharpness and clarity. It has a 18 mm viewing area. The lens is color-corrected and spherically corrected. It comes with a quality case. The focal distance is 1" (25 mm). Eye Loupe 15X. This is a new 15X plastic eye loupe. This pocket size loupe has distortion free lenses. The shape of this eye loupe allows it to rest comfortably in the eye socket. It has a focal distance of 3/4" (19 mm) 6X Pocket Magnifier. This is a new 6X folding pocket magnifier. The glass lens 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 lens, but serves as a handle as well. It has a 2" (51 mm) focal distance and a 2" (51 mm) lens diameter. Measures approximately 3 1/4" x 2 1/2" x 9/16" (83 x 64 x 14 mm) closed and 6 1/16" x 2 1/2" x 9/16" (154 x 64 x 14 mm) open.