Glasses,Eyeglasses

First, look at the surface. Select the surface as clear, shiny, no scratches, bumps, corrosion and other issues of the spectacle frames.

Second, look at tags. Regular factory production frame, in addition to printing on the item, specifications, dimensions, but also bearing the trademark (or Pinyin, English).

Third, look at the structure. The glasses frame legs opened, flat on the glass or the table, mirror mirror body and legs should be 10 ~ 12 degree tilt angle, two lens rings to be as big as two mirror should be as long as the two nose care be equally high.

Fourth, look at the point of integration, check the frame and mirror legs hinged at whether the match. There are many metal glasses frame weld, weld office to check whether the firm, clear-cut.

Fifth, test frame material. Matching metal spectacle frames can be gently curved legs look mirror ring or mirror to see the extent of its soft and hard, and soft hair hard and generally is a brass alloy for the production of the substrate; stainless steel hardness number; very hard to is iron. High-grade nickel alloy frames with material production, high strength, flexible, and can be worn a long time no deformation. Matching fiber frame, plastic frame, there should be selected for soft-hard material, very hard in that no plastic, use a lack of flexibility.

Tags: Glasses, Glasses Frames, glasses quality