Name: China Factory Wholesale Price 1.49/1.50 Hard Coated Eyeglasses Optical Lens
Brand: Crystal Optical Co.,Ltd.
Price: 20 USD
Rating: 4.4 (5 reviews)

China Factory Wholesale Price 1.49/1.50 Hard Coated Eyeglasses Optical Lens

1.499 HC lens is Hard Coated single vision lens, the material is CR-39. CR39 single vision lenses have a high Abbe number, high light transmission, which means that they can provide clearer visual effects, reduce dispersion phenomenon. In addition, the CR-39 material is relatively light, which makes the wearer more comfortable.

Features of China Factory Wholesale Price 1.49/1.50 Hard Coated Eyeglasses Optical Lens

CR39 resin lenses have a transmittance of 92%, slightly higher than glass lenses with 91%.The specific gravity of CR39 is 1.32g/cm3, compared to 2.54g/cm3 for glass lenses, which means that CR39 is lighter. CR39 is more impact-resistant and safer than glass. In terms of blocking ultraviolet rays, CR39 has a stronger protective ability and can effectively block 390nm ultraviolet rays. However, CR39 has a low refractive index and thick lenses.Compared to other high-end lens materials, the production cost of CR-39 resin is lower, so the price is relatively cheap.

Specification of China Factory Wholesale Price 1.49/1.50 Hard Coated Eyeglasses Optical Lens



Index	1.499
Material	CR39
Diameter	60/65/70mm
Power Range	SPH -6.00~ +6.00
CYL	0~ -4.00
Abbe Value	58
coating	HC
Coating clour	clear
Design	Spherical

Advantages of China Factory Wholesale Price 1.49/1.50 Hard Coated Eyeglasses Optical Lens

High Abbe number: CR39 lenses have a high abbe number, which reduces dispersion and provides a clearer visual effect.

High transparency: CR39 lenses have high transparency to provide a clear visual experience.

Strong wear resistance: CR39 lenses have strong wear resistance, especially in the case of uncoated.

Good dyeing performance: CR39 lens is easy to color, can be hardened, dyed and other treatment.

Good solvent resistance and chemical resistance: CR39 lenses have good resistance to most chemicals.

Good heat resistance: CR39 lens has good heat resistance.