A deep red which absorbs all wavelengths up to 600nm, transmitting the color red. May be used for filters, dark rooms, 3-D lenses, red light target definition, and other specialized uses such as aiding patients with red/ green color blindness.

Tinted demonstration lenses of this color are available as Product Code 80919.

California residents: click link to product SDS and check Section 15 for California Proposition 65 warnings.