Shred Smartify Double Lunar Reflect Caramel/Purple Lens

VLT 54, S1

VLT is the amount of light transmitted through a lens. VLT transmittance is then translated into a Lens Category Number. The higher the number the more visual light that is transmitted through the lens. The lower the CAT number the more visual light that is transmitted through the lens.Filter Category classified as: S0 Very light lens, S1 Light lens, S2 Medium lens, S3 Dark lens, S4 Very dark lens