Blue Light Blocking Eyeglasses Lenses 1.56/1.59 PC/1.61/1.67 Hmc UV420 Protection Blue Cut Anti Blue Ray Optical Lens

 Product Name1.56, 1.61, 1.67, 1.59 PC Blue Block Optical LensDiameter65/70/75mmMonomerNk55, MR-8, MR-7, PolycarbonateAbbe value32, 37.5, 40, 41, 42Specific Gravity1.15, 1.16, 1.28, 1.32, 1.35Power RangeSPH: -20.00~+11.00 CYL: 0.00~-6.00Comparison of physical properties of lenses   MR-8MR-7MR-174Polycarbonate(PC)NK-55CR39Referactive Index1.611.671.741.591.561.49Abbe Value4132333237.558Specific Gravity1.30 1.351.471.20 1.281.32Diameter65/70/7565/70/7565/70/7565/70/7555/60/65/7255/60/65/70ImpactResistanceGoodGoodGoodGoodGoodGoodStatic LoadResistanceGoodGoodGoodGoodGoodGoodAbout the Coating:FAQ 1. Are your company a manufacturer or a trade company?We are a manufacturer with many years exporting experience. Our factory is located in Jiangsu province.2. Can your products be customized?We accept OEM &ODM orders. Actually most of our products are customized. We will try our best to fulfill your requirements about the material, the size, the printing.3. How can I get sample from you?Just send us your requirements, then we will send samples accordingly.4. How many days will samples be finished? How about mass products?Generally, we need 5-7 days to finish the sample production.As for the mass products, it depends on your order quantity.5. How do you control lens quality?Producing process is in vacuum dust-free shop, like prepare material, mixed material and take out .Four times quality checking during production process./* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1