Equalizer Filter are mainly used to balance and to form accurate color images of CCD & C-MOS System. Most of lenses have one of theEqualizer Filter built-in for living color imaging. anti-reflection can be coated on opposite side for increasing the transmittance of
visible region

General Specification

  • General size : Diameter 10mm , 25.4mm , Square 10mm,
  • Size Tolerance :+/-0.1mm
  • Thickness : 0.7mm (nominal) , 1.0 mm , 1.1mm
  • Surface / Coating Quality : F/F per MIL-F-48616
  • Cut off : Wavelength of 50% Absolute transmittance
  • Cut off Tolerance : > กพ 5nm
    *Blocking specification can be design by customer



    • Filter Number Identification (Other Cut-off Wavelengths are available upon request)
    EQF
    		 -
    		 640
    		 -
    		  Size
    Filter Code
    		 -
    		 Cut off
    		 -
    		   A:10.0mm   B:12.5mm   C:25.4mm


    Hot / Cold Mirror
    Cut-off
    (nm)
    		 Trange
    (nm)    		 Tave
    (%)
    		 Trange
    (nm)    		 Tave
    (%)
    		 Filter Number
    A:10.0mm B:12.5mm C:25.4mm
    640
    650
    670
    		 400-615
    400-630
    400-640
    		   > 90%
      > 90%
      > 90%
    		 750-1050
    750-1050
    750-1050
    		   < 5%
      < 5%
      < 5%
    		   EQF - 640 -
      EQF - 650 -
      EQF - 670 -
    		 A
    A
    A
    		 B
    B
    B
    		 C
    C
    C