Tel: +86-13906023008
E-mail: a-visionoptical@vip.163.com
whatsapp:0086-13906023008

Contact

A-Vision Optical Co.,Ltd
Address:9E-2,Jingyuan Building,Hubing South road 57#,Xiamen 361004,China
Contact: Christina Yuan
Contact phone: 86-592-2287778
Mobile phone: 86-13906023008
Whatsapp:86-13906023008
Fax: 86-592-2287778
E-mail:a-visionoptical@vip.163.com
Skype: Christina-eyewear

Parameters of the sunglasses

(1) UV (UV level): the perception of the human eye to light range is 380~780mm (that is, visible light), ultraviolet refers to wavelengths below 380mm light (not visible). UV380 meaning that can effectively block the light of wavelength 380mm. UV400 standards because it also blocks some visible light, so they will lose some color.


(2) plate (plastic): front frame made of plastic sheets.


(3) memory (resistant to deformation): refers to the resistance to deformation of the frame.


(4) the polarizer (polarized light, polarizing filter): a polarizing film accession filtered light, in the middle of the lens flare.