Eschenbach 1646-40 Clip-On Monocular 4X LaboCLIP with Lens

Clip-On magnifiers are designed to provide spectacle wearers with hands-free magnification. They are light weight, hands-free and fit most eyeglass frames (Bridge: 25mm, Jaws open 15mm). The lens is set 2 inches from eye, allowing for a more comfortable working distance and when they are not needed, the lens can be flipped up and out of the way. These lenses are interchangeable for different magnification needs.

Lens Type: Aspheric
Lens Material: PXM Plastic
Lens Coating: Cera-Tec Coating
Bridge Size: 0.98 in.
Diopter: 16D
Magnification: 4x
Working Distance: 55mm