3 New Eye Loupes & Magnifier2X Lighted Magnifier. This is a new 2X lighted retractable magnifier. The lens measures approximately 2 3/16" x 1 5/16" (56 x 33.5 mm). This magnifier is compact and easy for travel and storage. This is perfect for artists, hobbyists, photographers and reading fine prints. Uses two AA batteries (not included). Closed it measures approximately 3 5/16" x 1 3/4" x 1" (84 x 44 x 25 mm). Open it measures approximately 5 11/16" x 1 3/4" x 1" (144.5 x 44 x 25 mm) 10X Folding Loupe. This is a new 10X folding loupe. The lens diameter measures approximately 1 13/16" (46 mm). Lens folds easily into protective case for easy storage. This is perfect for detailed viewing of stamps, coins, fine prints, and gemstones. The focal distance for this loupe is approximately 1" (25 mm). Closed it measures approximately 4 5/8" x 2 3/8" x 7/8" (117.5 x 60 x 22 mm). Open it measures approximately 6 1/4" x 2 3/8" x 7/8" (159 x 60 x 22 mm) 10X Chrome Plated Eye Loupe. This is a new double lens loupe made of optical glass with a 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. It is 10X power and has a focal distance of 1" (25 mm). These are second over runs from china. This could be 17 or 18 or 21 mm or double or triple lens and it may be misprinted. This is a great bargain at an inexpensive price. Please no e-mails with request because we can make no guarantees.