Crystal Dome Magnifier.

Batteries Required? No

Lens Material Glass

Product Dimensions 2.36"L x 2.36"W

Material: K9 crystal, Which offers a high refractive index and high clarity.

Specification: Diameter: 60mm(2.4"), height: 28mm(1.1"), net weight: 129g(4.5 oz).

Easy to use: This dome magnifier has smooth surface,make it glides effortlessly across any surface.

Various useage: Perfect for reading newspapers, maps, contracts, architecture plans, negatives, documents, and other reading material!

Dome magnifier: also known as a hemispherical magnifier or bright field magnifier, is a light gathering magnifier that is uniquely shaped in a half circle.

Please examine the photos closely as they constitute part of the description.

Thanks for your interest.