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Aluminum Magnesium Photochromic Polarized Sunglasses Men Driving Glasses Day Night Vision Driver Goggles Oculos De Sol Masculino

$36.97

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SKU: 2251832823114967 Category:

Description

What are photochromic Sunglasses?

Photochromic lenses have millions of molecules of substances such as silver chloride or silver halide embedded in them.
When exposed to UV rays, as in direct sunlight, the molecules undergo a chemical process that causes them to change shape. The new molecular structure absorbs portions of the visible light, causing the lenses to darken, and to improve vision while ensuring protection from hazardous optical radiation.
The darkening of photochromic lenses was reversible, i.e., the lenses became original shape again once the ambient light was lowered.

An important note about photochromic lenses:

An important note about photochromic lenses: because they react to UV light and not to visible light, there are circumstances under which the darkening will not occur. Frist example, is in your car. Because the windshield blocks out most UV light, photochromic lenses will not darken. Second,is indoors test with ordinary lighting(Because the lighting used in daily lighting does not contain ultraviolet light),photochromic lenses will not darken.
So the ways to activate photochromism is:
Exposed to UV rays, as in direct sunlight OR Use ultraviolet light lamp (not ordinary lighting lamp).This is the way to activate the photochromic function of the product.

Below is a test video of the buyers,you can watch on his YouTube channel at the following link //www.youtube.com/watch?v=PxqZsYp2ozg
Thank you!!!

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Additional information

Brand Name

COOLPANDAS

Origin

CN(Origin)

Gender

MEN

Lenses Material

TAC

Style

Semi-Rimless

Department Name

Adult

Frame Material

Aluminium Magnesium

Certification

CE

Lenses Optical Attribute

UV400

Eyewear Type

Sunglasses

Lens Height

38mm

Model Number

HBH8003

Item Type

Eyewear

Lens Width

68mm

Usage Scope

Driving,Fishing,Travel,Outdoor,Sports

Suitable For Face

Round Face Long Face Square Face Oval Face

Package

Box,Clean cloth,Card,glasses

Frame Feature

Stylish Comfortable And Not Easily Scratches

Gender/Ages

Men,Women & Youth Male

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