1.71 Spin Photochromic Gray HMC Optical lenses

Short Description:

Intelligent color changing lens changes with the intensity of ultraviolet light, automatically adjust the color depth, one mirror is multi-purpose, no switching trouble, indoor and outdoor more convenient, more eye protection.

Intelligent color change factor shows shear structure distribution, when exposed to ultraviolet irradiation, the molecule automatically closes to block the light entry, using its good photoresponsiveness and coloring, rapid response to light changes, more efficient.

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Production Details

Place of Origin: Jiangsu Brand Name: BORIS
Model Number: Photochromic Lens Lenses Material: SR-55
Vision Effect: Single Vision Coating Film: HC/HMC/SHMC
Lenses Color: White(indoor) Coating Color: Green/Blue
Index: 1.71 Specific Gravity: 1.38
Certification: CE/ISO9001 Abbe Value: 37
Diameter: 75/70/65mm Design: Asperical

1.71 is a counterattack product. In general, the higher the refractive index, the lower the Abbe number. The 1.67 Abbe number is 32, the 1.74 is 33, and the 1.71 can do 37. The counterattack is successful. The Abbe number is high, the dispersion is low, which is simply clearer.

Spin Coating technology is used to evenly coat discoloration factors on the outer surface of the lens to make the color more uniform and stable after discoloration, which can produce open and close reaction to light in a short time and protect eyes from strong light damage.

The appearance of film color changing technology has greatly expanded the market of color changing lenses because of its superior color changing performance:

1. Faster discoloration and fading

2. The background color is lighter and the color change is deeper (also known as bottomless color change)

3. Not limited by diopter


Production Introduction


Photochromic lens, is the lens can feel according to its own UV intensity to change the color of the lens itself, from colorless to colored to colorless, so we go out in the summer when wearing a pair of glasses is enough, do not need to wear a pair of sunglasses. It's convenient for our daily life.

Product Process

Production Process

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