1.56 Photochromic Photogrey Hmc Blue Block Optical Lens

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 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1