Lightly tinted lenses have about a 20% tint intensity, while a medium tint is about 50% and a dark tint is around 80%. To help determine which percentage you should be looking for, vlts are categorized in 5 ranges based on their performance in varying light conditions. Category 3 sunglasses will have a vlt % between 8% and 18%
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A lower vlt percentage means less light passes through, while a higher vlt percentage means more light passes through
Sunglass tints should be at least 60% intensity to provide adequate protection
For sports like mountain climbing or snow skiing, 90% tints and above are recommended What tint percentage is best for sunglasses? Each tint or shading receives a vlt that is given in a percentage Vlt stands for visible light transmission
This is the amount of light that will reach your eye The higher the percentage the more light will reach your eye The lower the percentage the less light will reach your eye. No 85% is pretty standard for daylight (even overcast), and a gradient to 25% or so is fine for most casual use
The tint is going to be the bigger consideration
What is the best category for sunglasses Depending on your application, most recreational sunglasses use category 2 or 3 lenses for driving, outdoor activities such as hiking or water sports like fishing Category 1 lenses are very lightly tinted, with little to no darkening effect. Visible light transmission in sunglasses is expressed as a percentage
Lighter lenses have a higher vlt percentage because they let more light reach your eyes. What percent tint is good for sunglasses Lenses with a higher vlt percentage will be brighter while a lower vlt percentage will be darker
