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H-Alpha 5nm Filter for Astronomy 2" - SVBONY

H-Alpha 5nm Filter for Astronomy 2" - SVBONY

svbony-W9187DB

In stock

€114,00 EUR
€114,00 EUR
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  • Nouveau: Paiement 3x sans frais avec Klarna
  • Type: H-Alpha Filter
  • Size: 2 inches
  • Wavelength range: 300 to 1000 nm
  • Central wavelength: 656.3 nm
  • Bandwidth: 5 nm
  • Maximum transmission: ≥90%
  • Substrate thickness: 1.85 mm
  • Blocking: ≥OD5
  • Clear opening: 44 mm
  • Surface quality: 60/40
  • Surface parallelism: 1/4λ
  • Parallelism: 30″
  • Thread: M48x0.75
  • Net weight: 12.5 g
  • Improve the contrast and details in astrophotography.
  • Block harmful wavelengths caused by light pollution.
  • Facilitates the observation of celestial objects under a polluted sky.
  • No need for a separate IR-Cut filter thanks to its integrated design.
  • Easy to install in the eyepiece of your telescope.
  • Easy to use for astrophotographers of all levels.
  • Compatible with all telescopes featuring a 2-inch eyepiece holder.
  • Not suitable for solar use.
  • Incompatible with telescopes having a focal ratio lower than F/5.
  • H-Alpha Filter 5nm 2 inches
  • Instructions for use
  • $20 discount voucher (Promo code: Cuiv20)
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