5 New Headband Magnifiers & Eye Loupes2 Headband Magnifiers. This is a new set of 2 headband magnifiers. These magnifiers have many features and are easy to operate. They are lightweight and you can get a clear solid view in wide sight through the double lenses. The headband has a hook and loop strap so it is easy to adjust to the size of the user's head. The magnifiers lift up so you do not have to take them off. Leaves your hands free to work. By just sliding down one or both of the lens accessories the magnification changes. The lenses are plastic. The fixed lens is 2.2X, the lens plus pull down lens is 1.1X, the loupe lens is 1.5X and all three have a combined 4.8X. You receive: 1 Headband magnifier 1 Illuminated headband magnifier that uses 4 AAA batteries (not included) and has and on off switch on each side. 3 Loupe Set. This is a new 3X 5X 10X loupe set. Each lens diameter measures approximately 7/8" (22 mm). These are great for viewing stamps, coins, gems and diamonds. The focal distance for the 3X loupe is approximately 3" (76 mm). The focal distance for the 5X loupe is approximately 2" (51 mm). The focal distance for the 10X loupe is approximately 1" (25 mm). Each measures approximately 1 9/16" x 1 3/16" (40 x 30 mm).