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

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East Supplier PlatformSKU: 2251832823114967-Black frame

Price:
$33.10 $41.38

Tax included

Stock:
In stock (2646 units), ready to be shipped

Description

SPECIFICATIONS

Usage Scope: Driving,Fishing,Travel,Outdoor,Sports

Suitable For Face: Round Face Long Face Square Face Oval Face

Style: Semi-Rimless

Package: Box,Clean cloth,Card,glasses

Origin: Mainland China

Model Number: HBH8003

Lenses Optical Attribute: Polarized,Photochromic,UV400

Lenses Material: TAC

Lens Width: 68mm

Lens Height: 38mm

Item Type: Eyewear

Gender/Ages: Men,Women & Youth Male

Gender: MEN

Frame Material: Aluminium Magnesium

Frame Feature: Stylish Comfortable And Not Easily Scratches

Eyewear Type: Sunglasses

Department Name: Adult

Certification: CE

Brand Name: COOLPANDAS

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 https://www.youtube.com/watch?v=PxqZsYp2ozg
Thank you!!!


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