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SVBONY Telescope Filter 2"&1.25" CLS Filter City Light Pollution Reduction Filter in Saudi Arabia SVBONY Telescope Filter 2"&1.25" CLS Filter City Light Pollution Reduction Filter in Saudi Arabia SVBONY Telescope Filter 2"&1.25" CLS Filter City Light Pollution Reduction Filter in Saudi Arabia SVBONY Telescope Filter 2"&1.25" CLS Filter City Light Pollution Reduction Filter in Saudi Arabia SVBONY Telescope Filter 2"&1.25" CLS Filter City Light Pollution Reduction Filter in Saudi Arabia SVBONY Telescope Filter 2"&1.25" CLS Filter City Light Pollution Reduction Filter in Saudi Arabia SVBONY Telescope Filter 2"&1.25" CLS Filter City Light Pollution Reduction Filter in Saudi Arabia SVBONY Telescope Filter 2"&1.25" CLS Filter City Light Pollution Reduction Filter in Saudi Arabia SVBONY Telescope Filter 2"&1.25" CLS Filter City Light Pollution Reduction Filter in Saudi Arabia

SVBONY Telescope Filter 2"&1.25" CLS Filter City Light Pollution Reduction Filter

SAR 371
SAR 459
Brand
SVBONY
Category
Telescopes
– 1 +

Special Features

  • 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
  • Suitable for color CCD cameras and unmodified DSLR Urban optical filter can effectively suppress urban harmful light and improve the contrast of shooting target

Description

CLS Filter 2 &1.25 inches enhances the visibility of deep-sky objects like nebulae by selectively reducing the transmission of light pollution wavelengths, specifically targeting both artificial light pollution and detrimental natural light.

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