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SVBONY 1.25 inches CLS Telescope Filter Bundle with SV139 1.25 inches Moon Filter

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$38.99

$ 20 .99 $20.99

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About this item

  • 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
  • Neutral Density ND Filter; giving great versatility in changing light; reduces the amount of light without effecting color balance; perfectly neutral color will not alter the natural color of the moon
  • 1.25'' barrel diameter; metal filter cell threads directly into the 1.25 inch barrel of your telescope eyepiece; useful for different caliber astronomical telescopes through which the light of the moon can be extremely overwhelming


SV139 1.25" Neutral Density ND filter reduces glare so you can see more lunar detail and surface features with your telescope. ND0.9 filter perfects for viewing Last Quarter Moon. SVBONY city light suppression broadband filter is designed to improve the visibility of various deep sky objects.