SVBONY 2'' CLS LIGHT POLLUTION BROADBAND FILTER

  • $52.99
    Unit price per 


Svbony 2" CLS Light Pollution Broadband Filter
  • Electron beam gun evaporation with Ion-assisted deposition coating technology for durability and resistance to scratching; as well as stability on CWL (central wavelength) no deviation affected by temperature change
  • Planetary rotation system offers precision and homogeneity of coatings ensuring high value on transmission of pass band and Optical density of off-band
  • 90% transmission of main nebula emission lines; such as Ha 656nm;OIII 496nm;500nm;SII672nm and H-beta 486nm
  • 0.1% transmission of off-band; specifically the major emission lines of artificial light pollution; such as Na 589nm;Hg 435nmand 578nm
  • Suitable for color CCD cameras and unmodified DSLR Urban optical filter can effectively suppress urban harmful light and improve the contrast of shooting target   

 


Note:

All the CLS filter will have a slight color cast, because the CLS filter cuts off some wavelengths of light, so it is impossible to completely not color cast.

 

Model: F9155B
Format: 2'' CLS
Type: City Light Suppression Filter (CLS Filter)

Product Dimensions: 1 x 1 x 2 inches
Item Weight: 1.76 
ounces

 

  • 1xSVBONY 2 inch CLS filter
  • 1xsturdy plastic case

 

 

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