Binocular magnifier with adjustable Velcro headband. Supplied with 2 sets of lenses, super imposable, providing 3 magnifications: 2.2 - 3.2 - 4.5. The 2 sets of lenses are inside the visor; you only need to place the second set on the first to obtain the different magnifications.
Light weight with an adjustable Velcro strap. Includes 2 sets of lenses that can be stacked by tilting, offering 1.8 and 2.3 x magnifications. A third swivelling outer lens, which adjusts to the stackable lenses increases the magnification up to 4.8 x.