go to there

Frames and gold frame? But gold frame of knowledge I say no, the system give me shielding.
Sunglasses lens
V.F RAAS glasses bear with material in March 2009 20 days
V.F sunglasses lens is according to the international popular, using the difficult process, 07 choose four material is resin, nylon,

carbonic acid polyester and acrylic lens.
1, resin lens: phenolic resin is a kind of chemical structure, characteristic: light weight, high temperature resistant, impact resistant

performance is strong, can effectively block ultraviolet light.
2, nylon lens: made of nylon, characteristics: very high elastic, excellent optical quality, impact resistant performance is strong, often

used as a protective items.
3, carbonic acid polyester lens (PC piece) : fortitude, not easily broken, and impact resistance, sports with glasses specified lens

material, the price is yakeli lens high.
4, acrylic lens (AC piece) : excellent characteristics of fortitude, qualitative light, perspective rate very gao, resistance to mist sex

preferred.
5, polarizing piece with eccentric piece:
(1) polarizing piece: is wamu lai piece, its function is only accept a direction to light, and the direction of the light is blocked it to

return to, it is to use the shutters of principle, filter miscellaneous light, so that we can see more clearly.
(2) the eccentric piece: is it raised face into a rough crossing a curving did face, in order to make light of the refractive index in our

eyes accept range, make our view of the clear also won't feel dizzy, achieve glasses of fashion again at the same time the protection of our

eyes.