VLT stands for visible light transmission.

What does vlt mean in sunglasses. It can also be called visible light transmittance or VLT. What does VLT mean for sunglasses. Visible Light Transmission VLT - This is the measure of how much light your sunglass lens lets through to your eye and can be expressed as a percentage therefore a VLT of 1 means very dark glasses indeed and a VLT of 100 means all the light is getting through and the.

The Category number equates to a percentage of the VLT Visible Light Transmission basically how much light the lens lets through as follows. When we talk about the category or filter of sunglasses we are referring to the level of darkness provided by the sunglasses also known as the level of light absorption. This is measured as a percentage which indicates the darkness of a lens within a sunglasses frame.

Lower percentages mean that a pair of ski goggles will allow less light to pass through. The amount of light that reaches your eyes through your lenses is called Visible Light Transmission VLT. Sometimes the range of VLT will be expressed as a category of protection.

80-100 VLT Category 1. Manufacturers will often list a goggles VLT or light transmission with their products specs. While all sunglasses we sell protect your eyes against UV rays they will vary significantly in visible light transmission VLT.

Basics about Ski Goggle VLT ratings. 89 lignes VLT Visual Light Transmission Visual Light Transmission is the percentage of light. Good for freshwater fishing conditions.

VLT is the amount of light that passes through your lenses and reaches your eyes. In addition to style color and function there are even more ways to customize your glasses or goggles. This number represents the amount of light not UV rays that a lens will allow through.