A. Chloride
B. Fluorite
C. Oxide
D. None Of Above

Submitted by: Naveed Haider Khan

Glass is the most common material used to construct lens elements, due to its good optical properties and resistance to scratching. Other materials are also used, such as quartz glass, fluorite, plastics like acrylic (Plexiglass), and even germanium and meteoritic glass.

Correct Answer: Fluorite

Last Updated: January 19, 2020