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Filtre Nebuleuse Dual-Band 7nm pour Astrophotographie SVBONY 2 pouces

Filtre Nebuleuse Dual-Band 7nm pour Astrophotographie SVBONY 2 pouces

SKU: W9191A

Disponibile

Prezzo di listino €176,00 EUR
Prezzo di listino Prezzo scontato €176,00 EUR
In offerta Esaurito
Imposte incluse. Spese di spedizione calcolate al check-out.
Coût expédition: ~
  • Expédition depuis la France
  • Retour sous 90 jours
  • Support client en Français

This narrowband filter specifically designed for astrophotography allows you to capture color images even in highly light-polluted city environments. It is particularly useful for photographing emission nebulae, planetary nebulae, and supernova remnants.

Features

  • Size: 1.25 inches (31.75 mm)
  • Substrate thickness: 1.85 mm
  • Clear aperture: 26 mm
  • Wavelength range: 300-1100 nm
  • FWHM (OIII and HA): 7 nm
  • Blocking: >OD5
  • Maximum transmittance: 500.7 nm @ T>90%, 656.3 nm @ T>94%
  • Surface quality: 60/40
  • Surface parallelism: 1/4λ

This filter is designed to eliminate interference caused by artificial light from sodium or mercury streetlights, as well as other unwanted disturbances like skyglow.

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