Product Description
Advantages of our Photochromic Lens:
1. our product could be available to change color for more than two years,
2. change fastly and darkly and return quickly,and change deeply.
Photochromic Single Vision Finished Lens
Technical Data
1. Index:1.56
2. ABBE:38
3. Specific Gravity:1.26
4. Available Color:Grey,Brown
5. Transmittance:91%
6. Power Range:+6.00/-2.00~-8.00/-2.00
Photochromic Single Vision Semi-Finished Lens
| Photochromic Single Vision Semi-Finished Lens |
| Avaliable Color:Grey&Brown |
| Diameter : 70mm |
| Base : 50,100,200,300,400,500,600,800,1000 |
1.56 Phorochromic Bifocal Lens
1. Index:1.56
2. Abbel Value:29
3. Density:1.12
4. Anti-shocking:140cm
5. Diameter:28/70mm
7. Available Color:Grey,Brown
8. Power Range:-2.00~+3.00/ADD:+1.00~+3.00
Photochromic Bifocal Semi-Finished Lens
| Photochromic Bifocal Semi-Finished Lens |
| Avaliable Color:Grey&Brown |
| Diameter : 28/70mm |
| Flat Top:Base400,500,600 |
| Round Top:Base 500 |
| Blended/Invisible:Base400,500 |
| Addition Power : +1.00~+3.00(0.25 a step) |
Performance parameters for 1.56 photochromic grey lens
Relationship between light transmittance (T) and illumination time/sec.
The light transmittance (T) of 1.56 photochromic green lens as a function of time without illumination.
The temperature is 22ºC(22D) and 32ºC(32D), respectively. This experiment was operated in Shanghai that located at 33°N.
Relationship between light transmittance (T) and illumination time /sec.(no illumination)
The light transmittance (T) of 1.56 photochromic green lens as a function of time without illumination.
The temperature is 22ºC(22D) and 32ºC(32D), respectively. This experiment was operated in Shanghai that located at 33°N
Our factory
Weihai New Vision Optical Co.,Ltd is specializing in the manufacturing and supplying various optical lenses, which has three advantanges value
your choice;
First: Our products are in compliance with most major global quality standards
Second: Wide international market with over 50 main countries
Third: Own a state-of-the-art centralized 7*24 hours RX prescription lab.
Logistics
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