Carson OcuLens 5x / 7x Clip-on Adjustable Eyeglass Magnifier Loupe Set. Once attached to the frame of eyeglasses the interchangeable 5x and 7x lenses can be used to examine objects very close up without needed to hand-hold the magnifier. To operate these Carson Magnifiers simply flip down and move the fully adjustable lens to get the best view possible when in use. When the Camp & Hike are no longer needed just flip up the magnifiers and they will be out of the way. The Carson OcuLens 5x and 7x Adjustable Eyeglass Magnifier Set OL-57 is a great tool for hobbies and crafts that require the use of both hands. Specifications for Carson OcuLens 5x / 7x Clip-on Adjustable Eyeglass Magnifier Loupe Set OL-57: Manufacturer: Carson Magnification: 5 - 8 x Color: Black Magnification Type: Variable Quantity: 2 Features of Carson OcuLens 5x / 7x Clip-on Adjustable Eyeglass Magnifier Loupe Set OL-57 Magnification 5x/8x Package Contents: Carson OcuLens 5x / 7x Clip-on Adjustable Eyeglass Magnifier Loupe Set OL-57 Soft pouch Carson OcuLens 5x / 7x Clip-on Adjustable Eyeglass Magnifier Set OL-57