This quality 1.56 middle-index lens boasts lightweight and thin construction. It is ideal for those people who wear relative high-diopter eyeglasses. The lens can be treated with assorted surface coatings.

• Index (ND): 1.56.
• Abbe value (VD): 38.
• Specific gravity (P): 1.28.
• Material: Nk55.
• Non-coated lens.
• Spherical lens.
• 8H hard coated lens
• Cylinder lens.
• Tintable hard coated lens.
• AR EMI coated lens.