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 LensAvaliable Color:Grey&BrownDiameter : 70mmBase
: 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 LensAvaliable Color:Grey&BrownDiameter :
28/70mmFlat Top:Base400,500,600Round Top:Base
500Blended/Invisible:Base400,500Addition 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 LensAvaliable
Color:Grey&BrownCorridor : Regular/Long&ShortDiameter :
75mmRegular/Long Corridor(18mm) : Base200,400,500,700Short
Corridor(14mm): Base200,400,600,800Super Short Corridor(12mm) :
Base100,300,500,700Addition 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. /* January 22, 2024 19:08:37
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a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
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