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Hydrophobic Coating 1.74 High Index Prescription Lenses , Ultra Thin Eyeglass Lenses

    Buy cheap Hydrophobic Coating 1.74 High Index Prescription Lenses , Ultra Thin Eyeglass Lenses from wholesalers
     
    Buy cheap Hydrophobic Coating 1.74 High Index Prescription Lenses , Ultra Thin Eyeglass Lenses from wholesalers
    • Buy cheap Hydrophobic Coating 1.74 High Index Prescription Lenses , Ultra Thin Eyeglass Lenses from wholesalers
    • Buy cheap Hydrophobic Coating 1.74 High Index Prescription Lenses , Ultra Thin Eyeglass Lenses from wholesalers
    • Buy cheap Hydrophobic Coating 1.74 High Index Prescription Lenses , Ultra Thin Eyeglass Lenses from wholesalers

    Hydrophobic Coating 1.74 High Index Prescription Lenses , Ultra Thin Eyeglass Lenses

    Ask Lasest Price
    Brand Name : Aogang Optics
    Model Number : Cr39 Single Vision Lenses
    Certification : CE/FDA/ISO9001
    Price : negotiation
    Payment Terms : T/T, Western Union, L/C, D/A, D/P, MoneyGram,Paypal
    Supply Ability : 40,000 pieces per day
    Delivery Time : 10~30 days, depend on your quantity
    • Product Details
    • Company Profile

    Hydrophobic Coating 1.74 High Index Prescription Lenses , Ultra Thin Eyeglass Lenses

    High Index 1.74 Super Hydrophobic Coating Cr39 Single Vision Lenses With Ultra Thin

    I. Specifications:


    IndexMonomerAbbe value
    1.74MR-174 , imported from Korea31
    Specific GravityTransmissionCoat
    1.3297%SHMC
    DiameterSpheicalCylinder
    75mm0.00~-20.000.00~-6.00

    II. Features:


    1). Thickness: It uses the world's thinnest plastic lens material MR-174


    In the same dipoter SPH: -5.00


    1.74 is up to 36% thinner than 1.56 material---NK55


    1.74 is up to 24% thinner than 1.61 ( 1.60 ) material---MR-8


    1.74 is up to 5% thinner than 1.67 material---MR-7


    2). Impact resistance: 1.74 high index lenses meet FDA standard, can pass the falling spere test, have higher resistance to scratches and impact


    3). Design: It approaches flat base curve, can offer people amazing visual comfort and aesthetic appeal


    4). UV protection: 1.74 single vision lenses have UV400 protection, that means full protection against UV rays, including UVA and UVB, protect your eyes everytime and everywhere.


    5). Aspherical shape: Aspherical lenses are thinner and lighter than spherical lenses, relieving the visual fatigue caused by oppression effectively. In addition, they also can reduce aberration and distortion, give people more comfortable visual effect.

    6). Super Hydrophobic Coating: It also called crazil coating, can make the surface of the lenses super hydrophobic, smudge resistance, anti static, anti scratch, reflection and oil, etc.


    III. High index lens vs Standard index lens:


    There are many different types, options and materials that high index lenses can be made from and all have different features and benefits depending on your needs, budget and prescription.


    • Understanding Index of Refraction:

    The index of refraction; is the speed of light in a vacuum divided by the speed of light in a material.


    The refractive index is the extent to which light is refracted when it enters a medium. The greater the index the more refraction occurs. Air has an index of 1.0, water is 1.3 and many type of glass are around 1.5.


    • Higher index lenses bend light at a steeper angle than lesser index versions.

    The ‘index’ is the result given as a number: 1.56,1.61,1.67 or 1.74 and the higher the number, the more light is bent or 'slowed down'. Therefore, these lenses have less curvature for the same focal power requiring less lens substance/material.


    The result being high index lenses are thinner than lesser versions but achieve the same focal power.


    • High Index Lenses Thickness Comparison:

    1.60 High Index Lenses are on average 20% thinner than ordinary CR39 plastic.

    1.67 High Index Lenses are on average 35% thinner than ordinary CR39 plastic.

    1.74 High Index Lenses are on average 50% thinner than ordinary CR39 plastic.

    This example shows the difference in thickness for high index lenses.


    IV. Our factory:


    curing ovenlens cleaning machine
    lens cleaning machinehard coating machine
    AR coating machineOur factory building

    V. Packing:


    Envelops1) standard white envelop

    2) color envelop with customer design

    weight: 157g size: 9*9*9cm

    Outer boxstandard export paper carton 38cm*48cm*35cm ( 0.064 CBMS )
    Include around 500 pairs of finished lenses, 21kgs
    Include around 100 pairs of semi finished lenses, 15kgs

    VI. Shipping:


    SamplesBy Fedex, DHL, UPS, TNT etc.
    Delivery time: within 3 days
    Batch goodsBy air, sea, express
    Delivery time: 10-30 days, depend on your quantity
    CarrierWe can choose for you or offer us your cooperative company
    Payment terms30% T/T in advance, the balance before shippment

    VII. Our service:


    1. Our Customer service will begin to track the product processing every day until you receive the goods and verify the product quality when you finish the payment .


    2. Online via SKYPE, Whatsapp; Also through mail, voice phone, message could contact us at any time!


    3. Follow up the case, record the entire process. Solution will be provide with 24 hours.
    Meanwhile, the problem complaint will be reported to QC department.
    QC will find defect from which department, who is in charge to identify responsibility.


    4. Collect and record all the voice from each customer respond, suggestion, requirement.


    5. We own the best after-sale service, if any problems happen, our team will do our best to solve for customers.

    Quality Hydrophobic Coating 1.74 High Index Prescription Lenses , Ultra Thin Eyeglass Lenses for sale
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