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FT-28 Transition Bifocal Semi Finished Lens Blanks Anti Reflection Coating 1.56 Index

Categories Semi Finished Lens Blanks
Brand Name: Aogang Optics
Model Number: Semi Finished Lens Blanks
Certification: CE/FDA/ISO9001
Place of Origin: China
MOQ: 100 pairs
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
Packaging Details: 1) Standard white envelope 2) color envelop with customer design
Index: 1.56
Diameter: 70mm
Segment: 28mm
Abbe value: 43
Specific Gravity: 1.14
Coating: HMC EMI
Base: 2/4/6/8
ADD: +1.00~+3.50
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    FT-28 Transition Bifocal Semi Finished Lens Blanks Anti Reflection Coating 1.56 Index

    1.56 Transition FT-28 Bifocal Semi Finished Lens Blanks With Anti-reflection Coating


    I. Technical Data:


    1.56 Semi Finished Photochromic FT-28 Lens(Brown/Gray)

    Material: 1.56 Index Resin(Ne=1.56, Abbe=43, Specific Gravity=1.14)

    Segment Placement=5mm down~5mm in

    Add Power: +1.00 to +3.50 in 0.25D steps

    Segment Size=28mm


    CONVEX SURFACECONCAVE SURFACE
    Mominal CurveTrue Curve

    Sag

    (sagitta: 40mm)

    RadiusRadiusCT(mm)ET(mm)Dia(mm)
    1.549
    2.0070
    4.004.171.50131.74132.508.08.0
    6.006.352.3086.4588.808.07.0
    8.00

    II. Photochromic Flat Top lens:


    1) How Do Bifocal Lenses Work?


    Bifocal lenses are perfect for people suffering from presbyopia- a condition in which a person experiences blurred or distorted near vision while reading a book. To correct this problem of distant and near vision, bifocal lenses are used. They feature two distinct areas of vision correction, differentiated by a line across the lenses. The top area of the lens is used for seeing distant objects while the bottom part corrects the near-vision.


    2) Benefits of Photochromic Lenses


    • They are highly adjustable to varying lighting conditions in indoor and outdoor environments
    • Protect your eyes from harmful UVA and UVB rays of the sun
    • They eliminate the use of separate prescription glasses as they are suitable for most frames and prescriptions
    • Photochromic lenses are versatile as they can be enhanced using additional treatments like anti-glare coating and scratch-resistance coating
    • Can be used by both adults and children
    • Since they are distortion free, they can be worn in rains
    • Ideal for everyday use


    3) Why Choose Photochromic Flat Top Lenses?


    ----Our Flat Top 28 Bifocal Photochromic lenses are manufactured using the same high quality NK55 material(imported from Japan) as our standard lenses, with ultraviolet filter and scratch resistant coating. Flat Top 28 Bifocals provide you with clear, sharp distance and reading vision.


    ----FT-28 Photochromic Lenses contain light-sensitive molecules that darken and lighten according to the intensity of ultraviolet light. Recent advances in Photochromic technology ensure that they perform consistently across a wide range of temperatures and climates.


    ----The greater the intensity of the UV rays, the darker the lens becomes. The moment the UV rays are no longer present, the lens begins to fade back to almost clear. Photochromic Lenses do not change while driving in a car. All Photochromic lenses come with 100% UV protection.


    III. AR coating:


    The most important benefits of anti-reflective (AR) coating may be the unseen advantage–relief from fatigue and eyestrain caused by glare. AR does have a big cosmetic advantage, but removing the distracting reflections and ghost images that contribute to eyestrain clearly is a bigger benefit. Being more comfortable in anything we do is a benefit, especially when wearing glasses.



    IV. 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

    V. 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
    Quality FT-28 Transition Bifocal Semi Finished Lens Blanks Anti Reflection Coating 1.56 Index for sale
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