Sheet Lens
Brand :
SINWASOKUTEI
Caution
Product Description
[Features]
· Uses a Fresnel lens.
Normal lenses become thicker as the lens diameter increases, but Fresnel lenses can be manufactured thinner.
· U-1, U-3, and U-4 include a handy portable vinyl case.
[Applications]
· For reading books, maps, phone books, and drawings.