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    Optical Glass
    High Transmittance Optical Glass
    High Transmittance Optical Glass

      High transmittance optical glass refers to the glass that has improved the transmittance in the range of blue-violet light and visible light through process improvement on ordinary optical glass. It can significantly improve the imaging quality of optical system with long optical path. This glass is suitable for high-grade binoculars and digital projector.

      These special glass types with high transmittance are identified with the suffix "GT" or "TT"(each letter is acronym of Chinese Pinyin). "GT" means high transmittance glass; "TT" means ultra-high transmittance glass. For example, H-ZF52GT、H-ZF52TT. Compared with common optical glass, high transmittance and ultra-high transmittance optical glass only improve the transmittance, while the other properties remain unchanged. 

      We offer high transmittance optical glass such as H-K9LGT,H-BaK7GT,H-ZK50GT,H-ZF4AGT,H-ZF7LAGT,H-ZF13GT,H-ZF52GT,H-ZF52TT,H-LaF4GT,H-ZLaF53BGT,H-ZLaF66GT,H-ZLaF71AGT,ZF7LGT,etc.


      CDGM high transmittance optical glass is available in the form of glass blanks, pressed blanks, cut blanks as well as optical components. 

      The specifications are shown in the following table:


    Glass blanks

          Supply forms:      

    Strips,blocks

    Dimensions:

    Strips360mm×(80~160)mm×(8~60)mm

    Blocksupon request of customers

    Pressed blanks

    Lens:

    OD(outer diameter): Ф7mm~Ф350mm

    CT (center thickness): 1.1mm~50mm

    Rods:

    OD(outer diameter): Ф3.2mm~Ф10mm

    Length150mm

    Cut blanks

    Round plates:

    OD(outer diameter): Ф2.5mm~Ф150mm

    CT (center thickness): 0.5mm~50mm

    Cut prisms

    Min edge length5mm

    Max edge length150mm

    Optical components

    Supply forms:

    upon request of customers


    Notes:The supply forms and dimensions depend on glass type. Please contact us.

      Main parameters of high transmittance optical glass

    Code

    nd

    υd

    λ805

    λ705

    τ

    H-K9LGT

    517642

    1.51680

    64.20

    310/275


    0.998

    H-BaK7GT

    569560

    1.56883

    56.04

    355/325


    0.993

    H-ZK50GT

    607567

    1.60738

    56.65

    335/280


    0.996

    H-ZF4AGT

    728283

    1.72825

    28.32

    410/365


    0.894

    H-ZF7LAGT

    805255

    1.80518

    25.46

    420/360


    0.891

    H-ZF13GT

    785257

    1.78472

    25.72

    415/365


    0.878

    H-ZF52GT

    847238

    1.84666

    23.78


    403/370

    0.830

    H-ZF52TT

    847238

    1.84666

    23.78


    400/370

    0.850

    H-LaF4GT

    750350

    1.74950

    34.99

    400/355


    0.930

    H-ZLaF53BGT

    834372

    1.83400

    37.21

    410/340


    0.940

    H-ZLaF66GT

    801350

    1.80100

    34.97

    415/350


    0.900

    H-ZLaF71AGT

    850322

    1.85026

    32.22

    395/355


    0.856

    ZF7LGT

    805255

    1.80518

    25.46

    420/360


    0.911


    Product pictures
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