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OEM Factory for Blue Glass Spectacles - 1.74 Blue Cut Spin Photochromic Gray HMC Optical lenses – Boris

OEM Factory for Blue Glass Spectacles - 1.74 Blue Cut Spin Photochromic Gray HMC Optical lenses – Boris Featured Image
  • OEM Factory for Blue Glass Spectacles - 1.74 Blue Cut Spin Photochromic Gray HMC Optical lenses – Boris
  • OEM Factory for Blue Glass Spectacles - 1.74 Blue Cut Spin Photochromic Gray HMC Optical lenses – Boris
  • OEM Factory for Blue Glass Spectacles - 1.74 Blue Cut Spin Photochromic Gray HMC Optical lenses – Boris

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OEM Factory for Blue Glass Spectacles - 1.74 Blue Cut Spin Photochromic Gray HMC Optical lenses – Boris Detail:

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Production Details

Place of Origin:

Jiangsu

Brand Name:

BORIS

Model Number:

Photochromic Lens

Lenses Material:

SR-55

Vision Effect:

Single Vision

Coating Film:

HC/HMC/SHMC

Lenses Color:

White(indoor)

Coating Color:

Green/Blue

Index:

1.74

Specific Gravity:

1.47

Certification:

CE/ISO9001

Abbe Value:

32

Diameter:

75/70/65mm

Design:

Asperical

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Production Introduction

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The refractive index:
This is one of the most common lens parameters, the refractive index, by definition, is the ability of a lens to bend light.
Under the same conditions, the higher the refractive index, the thinner the lens.
The common refractive index is 1.50 (1.49, 1.51), 1.56 (1.55), 1.61 (1.60, 1.59), 1.67 (1.66), 1.71, 1.74 (1.73). The refractive index of some materials in parentheses will be deviated from the standard refractive index value, which also belongs to the normal category.
All of these are the refractive index of resin lenses (no way, they are all resin lenses now), which gets thinner and thinner in the future, that is to say, 1.67 refractive index lens is thinner than 1.56, and 1.74 is the thinest..

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OEM Factory for Blue Glass Spectacles - 1.74 Blue Cut Spin Photochromic Gray HMC Optical lenses – Boris detail pictures

OEM Factory for Blue Glass Spectacles - 1.74 Blue Cut Spin Photochromic Gray HMC Optical lenses – Boris detail pictures

OEM Factory for Blue Glass Spectacles - 1.74 Blue Cut Spin Photochromic Gray HMC Optical lenses – Boris detail pictures

Related Product Guide:
We take pleasure in an extremely fantastic standing among the our prospects for our great product top quality, competitive cost and the finest support for OEM Factory for Blue Glass Spectacles - 1.74 Blue Cut Spin Photochromic Gray HMC Optical lenses – Boris , The product will supply to all over the world, such as: Chile, Jamaica, United States, We now have to continue to uphold the quality, detailed, efficient business philosophy of honest, responsible, innovativespirit of service, abide by the contract and abide by reputation, first-class goods and improve service welcome overseas customers patrons.
    • It's really lucky to find such a professional and responsible manufacturer, the product quality is good and delivery is timely, very nice.
    5 Stars By Kama from Egypt - 2018.11.22 12:28
    The factory has advanced equipment, experienced staffs and good management level, so product quality had assurance, this cooperation is very relaxed and happy!
    5 Stars By Alexandra from Irish - 2018.12.05 13:53

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