This 1.56 HMC optical lens is finely designed to promise high transparency. It can effectively protect your eyes from harmful electromagnetic and ultraviolet rays. Made of high-quality material, this lens promises a long service life.

• Refractive index: 1.56.
• Dispersion coefficient: 33.7.
• Diameter: 72, 70, and 65mm.
• Center thickness: 1.2-2.1mm.
• Green and blue films.