SVBONY Telescope Filter 2" CLS Broadband Filter, Reduce City Light Pollution Suitable for Deep Sky Visual Astronomical Photography

★★★★★ 4.9 51 reviews

$55.99
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$55.99
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Free shipping Free 30-day returns

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Product details

Management number 208573279 Release Date 2026/03/22 List Price $22.40 Model Number 208573279
Category
  • 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
Item Weight 1.44 ounces
Manufacturer SVBONY
Item model number FUSF9155B
Product Dimensions 2.73 x 0.78 x 2.73 inches
Is Discontinued By Manufacturer No

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4.9 out of 5
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51 ratings | 21 reviews
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