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Reticles and Graticules

  • Chrome Coated Precision Slits Plate

    Chrome Coated Precision Slits Plate

    Material：B270i

    Process：Double Surfaces Polished，

              One surface chrome coated，Double surfaces AR coating

    Surface Quality：20-10  in pattern area

                      40-20 in outer area

                      No pinholes in chrome coating

    Parallelism：<30″

    Chamfer：<0.3*45°

    Chrome coating：T<0.5%@420-680nm

    Lines are transparent

        Line thickness：0.005mm

        Line length：8mm ±0.002

        Line Gap：0.1mm ±0.002

    Double surface AR: T>99%@600-650nm

    Application:  LED pattern projectors

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  • Illuminated Reticle for rifle scopes

    Illuminated Reticle for rifle scopes

    Substrate: B270 / N-BK7/ H-K9L / H-K51
    Dimensional Tolerance: -0.1mm
    Thickness Tolerance: ±0.05mm
    Surface Flatness:2(1)@632.8nm
    Surface Quality: 20/10
    Line Width: minimum 0.003mm
    Edges: Ground , 0.3mm max. Full width bevel
    Clear Aperture: 90%
    Parallelism:<5”
    Coating: High optical density opaque chrome,Tabs<0.01%@Visible Wavelength
    Transparent Area, AR: R<0.35%@Visible Wavelength
    Process: Glass Etched and Fill in with Sodium Silicate and Titanium Dioxide

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  • Stage micrometers calibration scales grids

    Stage micrometers calibration scales grids

    Substrate: B270
    Dimensional Tolerance: -0.1mm
    Thickness Tolerance: ±0.05mm
    Surface Flatness:3(1)@632.8nm
    Surface Quality: 40/20
    Line Width: 0.1mm & 0.05mm
    Edges: Ground , 0.3mm max. Full width bevel
    Clear Aperture: 90%
    Parallelism:<5”
    Coating: High optical density opaque chrome,Tabs<0.01%@Visible Wavelength
    Transparent Area, AR: R<0.35%@Visible Wavelength

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  • Precision reticles – Chrome on Glass

    Precision reticles – Chrome on Glass

    Substrate: B270 /N-BK7 / H-K9L
    Dimensional Tolerance: -0.1mm
    Thickness Tolerance: ±0.05mm
    Surface Flatness:3(1)@632.8nm
    Surface Quality: 20/10
    Line Width: Minimum 0.003mm
    Edges: Ground , 0.3mm max. Full width bevel
    Clear Aperture: 90%
    Parallelism:<30”
    Coating: Single Layer MgF2, Ravg<1.5%@Design Wavelength

    Line/Dot/Figure: Cr or Cr2O3

     

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  • Precision optical slit – Chrome on Glass

    Precision optical slit – Chrome on Glass

    Substrate: B270
    Dimensional Tolerance: -0.1mm
    Thickness Tolerance: ±0.05mm
    Surface Flatness:3(1)@632.8nm
    Surface Quality: 40/20
    Line Width: 0.1mm & 0.05mm
    Edges: Ground , 0.3mm max. Full width bevel
    Clear Aperture: 90%
    Parallelism:<5”
    Coating: High optical density opaque chrome,Tabs<0.01%@Visible Wavelength

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