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    1.56 Photochromic Single Vision Lens

    • 商品说明

    Product Name:               photochromic finished SV 

    Surface:                           Spherical/Aspherical

    Index:                              1.56/1.60

    Color:                              Gray/Brown/Pink/Purple/Green/Blue/Orange/Orange/Yellow        

    Diameter:                        65/70mm

    Material:                          CW-55

    Manufactory:                   CHUNGHO(Korea)

    Refractive Index(25℃):    n(d)=1.55   n(e)=1.553

    Abbe Value:                     35

    Specific Gravity(20℃):     1.27



    1700020328110776.png


    Relationship between light transmittance(T) and Illumination time/sec.

     1700018481272063.png




    Fig.1. The light transmitiance(T)of photochromic gray lens

    as a function of illumination time.The temperature is 22(22D )and 32(32D )respectively.

    This experiment was operated in shanghai that located at 33 N




    Relationship between light transmittance(T) and Illumination time/sec.(no illumination)

     1700018721442382.png

     

     

     

    Fig.2. The light transmitiance(T)of photochromic gray lens

    as a function of illumination time.The temperature is 22(22D )and 32(32D ) respectively.

    This experiment was operated in shanghai that located at 33 N



    1700018890493195.png





    The light transmitiance(T)of photochromic gray lens

    as a function of illumination time.The temperature is 25.

    The time is 900 seconds. Transmittance 25.7.



    1700023164916774.png




     

    The light transmitiance(T)of photochromic gray lens

    as a function of illumination time.The temperature is 25.

    The time is 300 seconds. Transmittance 79.22.Semi-bright is 1.8 minutes









     


    the exhibithion of MIDO FAIR
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    2024 10 12 will exhibit on mido

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     Email:yzhoptic@hotmail.com


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