10X 30X 21mm Chrome Loupes 20X Pocket Magnifier New 3Pc 30X Triplet Round 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 20X Microscope Magnifier. This is a new 20X microscope magnifier. This can be used for looking at gem stones, stamps, coins, etc. It comes with a key chain for your convenience. It measures approximately 1 5/8" (41 mm) long and 9/16" (14.5 mm) in diameter 10X Chrome Plated Eye Loupe. This is a new triple 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". 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. 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.