Svbony CLS Clip-in Filter Canon DSLR EOS APS-C

  • $72.99
    Unit price per 


Svbony CLS Clip-in Filter for Canon DSLR EOS APS-C

  • 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 435nm and 578nm
  • Urban optical filter can effectively suppress urban harmful light and improve the contrast of shooting target

 

telescope filter

CLS Filter for Deep Sky Astrophotography

 

By selectively reducing the transmission of wavelengths of light pollutants;specifically those produced by artificial lighting including

mercury vapor lamps;both high and low pressure sodium vapor lights and the unwanted natural light caused by neutral oxygen emission in our atmosphere;such as sky glow


Model: F9155D
Format: EOS-C
Type: City Light Suppression Filter (CLS Filter)

Product Dimensions 2.73 x 0.78 x 2.73 inches
Item Weight: 1.44 ounces


  • 1xSVBONY CLS EOS-C clip-on filter
  • 1xsturdy plastic case

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