• IR-cut filters
  • IR pass/Cold mirrors
  • Bandpass filters
  • Beamsplitters
  • Density filters
  • Mirrors
  • UV-cut filters
  • UV pass filters
  • Glass filters
  • IR absorb filters
  • Blue glass
  • R.O.Y. glass
  • For photography
  • Dichroic filters
  • R/G/B Bandpass filters
  • Color temp. conversion filters
  • UV leak detect filters
  • Polarzing filters
  • Anti-Reflecion filters
  • HOYA colored glass filters
  • Color Temp. Conversion Filters

    Overview
    Color Temp. Correction
    Color Temperature filters, rocoes
    C.T. Filters
    Key Features
    Converts daylight to tungsten or reverse.
    Correction color temperature.
    Applications
    Lighting.
    Stage Lighting.
    Optical System.
    Entertainment lighting.
    Medical Equipments.


    CTB25   ▽CTB50   ▽CTB75  
    CTO25   ▽CTO50   ▽CTO75  
    Information and Notes

    Specifications

    ITEM NO: CTB25

    Physical Characteristics
    ctb25, Color Temperature filters, rocoes
    Thickness
    Glass: 1.1mm
    Tempered Glass: 2, 3, 4, 5mm
    Borosilicate: 1.1, 3.3mm
    Dimension
    Square: 3*3 ~ 160*160mm
    Round: 3 ~ 150mm
    Resistant Temperature
    Glass: 150 celsius
    Tempered Glass: 250 celsius
    Borosilicate: 450 celsius


    ITEM NO: CTB50

    Physical Characteristics
    ctb50, Color Temperature filters, rocoes
    Thickness
    Glass: 1.1mm
    Tempered Glass: 2, 3, 4, 5mm
    Borosilicate: 1.1, 3.3mm
    Dimension
    Square: 3*3 ~ 160*160mm
    Round: 3 ~ 150mm
    Resistant Temperature
    Glass: 150 celsius
    Tempered Glass: 250 celsius
    Borosilicate: 450 celsius


    ITEM NO: CTB75

    Physical Characteristics
    ctb75, Color Temperature filters, rocoes
    Thickness
    Glass: 1.1mm
    Tempered Glass: 2, 3, 4, 5mm
    Borosilicate: 1.1, 3.3mm
    Dimension
    Square: 3*3 ~ 160*160mm
    Round: 3 ~ 150mm
    Resistant Temperature
    Glass: 150 celsius
    Tempered Glass: 250 celsius
    Borosilicate: 450 celsius


    ITEM NO: CTO25

    Physical Characteristics
    cto25, Color Temperature filters, rocoes
    Thickness
    Glass: 1.1mm
    Tempered Glass: 2, 3, 4, 5mm
    Borosilicate: 1.1, 3.3mm
    Dimension
    Square: 3*3 ~ 160*160mm
    Round: 3 ~ 150mm
    Resistant Temperature
    Glass: 150 celsius
    Tempered Glass: 250 celsius
    Borosilicate: 450 celsius


    ITEM NO: CTO50

    Physical Characteristics
    cto50, Color Temperature filters, rocoes
    Thickness
    Glass: 1.1mm
    Tempered Glass: 2, 3, 4, 5mm
    Borosilicate: 1.1, 3.3mm
    Dimension
    Square: 3*3 ~ 160*160mm
    Round: 3 ~ 150mm
    Resistant Temperature
    Glass: 150 celsius
    Tempered Glass: 250 celsius
    Borosilicate: 450 celsius


    ITEM NO: CTO75

    Physical Characteristics
    cto75, Color Temperature filters, rocoes
    Thickness
    Glass: 1.1mm
    Tempered Glass: 2, 3, 4, 5mm
    Borosilicate: 1.1, 3.3mm
    Dimension
    Square: 3*3 ~ 160*160mm
    Round: 3 ~ 150
    Resistant Temperature
    Glass: 150 celsius
    Tempered Glass: 250 celsius
    Borosilicate: 450 celsius


    Information and Notes

  • 1. Color temperature conversion filters with multi-layers which vacuum-deposited on substrate.
  • 2. Color temperature conversion filter are designed with 0°of incidence angle, the larger incidence angles shift the characteristics to long wave side.
  • 3. Coating by PVD-EBGE (Physical Vapor Deposition-Electron Beam Gun Evaporation) .
  • 4. Non-standard size filters are also available upon request.
  • 5. The transmittance curves are measurements at 0°of incidence angle.
  • 6. The transmittance curves are based on actual measurements and may be different with manufacturing lots.
  • 7. Browse below for more information and products,
  • *Click here to see Dichroic Filters for more color.


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