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Disponibilitate: Stoc redus: 58 rămas(e)
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Applicable Scenarios: Outdoor
Brand Name: LIOUMO
Certification: CE
Department Name: Adult
Element type: Outdoor Sports
Eyewear Type: Sunglasses
Frame Feature: Stylish Comfortable And Not Easily Scratches
Frame Material: Alloy
Gender: Men
Gender/Ages: Men,Women
High-concerned chemical: None
Item Type: EYEWEAR
Lens Height: 42mm
Lens Width: 62mm
Lenses Material: Polycarbonate
Lenses Optical Attribute: polarized,Photochromic,UV400
Model Number: AL2458BS
Origin: Mainland China
Package: Box,Clean cloth,Card,glasses
Place Of Origin: China (mainland)
Product Type: Sunscreen sunglasses
Professional Type: UV400 Protection
Season: Spring,Summer,Autumn,Winter
Style type: edge
Suitable For Face: Round Face Long Face Square Face Oval Face
Usage Scope: Driving,Fishing,Travel,Outdoor,Sports
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.
