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 Lens-New Generation
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) |
1.56Photochromic Progressive Lens
Technical data
1. Index:1.56
2. Abbel Value:29
3. Density:1.12
4. Anti-shocking:140cm
5. Diameter:75mm
9. Available Color:Grey,Brown
10. Power Range:-2.00~+3.00/ADD:+1.00~+3.00
| Photochromic Progressive Semi-Finished Lens |
| Avaliable Color:Grey&Brown |
| Corridor : Regular/Long&Short |
| Diameter : 75mm |
| Regular/Long Corridor(18mm) : Base200,400,500,700 |
| Short Corridor(14mm): Base200,400,600,800 |
| Super Short Corridor(12mm) : Base100,300,500,700 |
| 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
Weihai New Vision Optical Co.,Ltd is specializing in the manufacture and export of optical lenses with nearly 20 years, which is located in Weihai, China.
Our company manufacturers hard resin lenses, PC lens, glass lens,operates a Full Service Surfacing and Edging Lab and specializes in O.E.M. and new product innovation. Our Company's products include single vision, bi-focal, progressive from 1.50 to high index, polarized, photochromic and custom hybrid monomer lenses.
With advanced and precision production lines, all manufacturing procedures, quality control, and our services are conducted and managed by professional qualified technicians and highly experienced management team.
Our products are in compliance with most major global quality standards and we have obtained the certificate of ISO9001-2000, CE and FDA. Our products exported to over 40 main countries and had won a high appreciation among our customers.
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