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Compatible for Celestron SV115 18nm O-III Filter | Narrowband O-III transmission improves contrast for deep space astronomy(2-in) in Saudi Arabia Compatible for Celestron SV115 18nm O-III Filter | Narrowband O-III transmission improves contrast for deep space astronomy(2-in) in Saudi Arabia Compatible for Celestron SV115 18nm O-III Filter | Narrowband O-III transmission improves contrast for deep space astronomy(2-in) in Saudi Arabia Compatible for Celestron SV115 18nm O-III Filter | Narrowband O-III transmission improves contrast for deep space astronomy(2-in) in Saudi Arabia Compatible for Celestron SV115 18nm O-III Filter | Narrowband O-III transmission improves contrast for deep space astronomy(2-in) in Saudi Arabia

Compatible for Celestron SV115 18nm O-III Filter | Narrowband O-III transmission improves contrast for deep space astronomy(2-in)

SAR 902
Brand
Generic
Category
Telescopes
– 1 +

Special Features

  • 18nm narrowband transmission targets double ionized oxygen spectral lines to reveal faint nebula structures.
  • Two standard mounting diameters (1.25 inch and 2 inch) fit most common telescope eyepiece barrel threads.
  • Blocks stray ambient sky glow to raise contrast of deep-space targets in areas with elevated urban sky brightness.
  • Precision coated optical substrate sustains high transmission rates for targeted oxygen wavelength signals.
  • Fits visual observation and deep-sky frame capture workflows for amateur astronomical viewing sessions.

Description

High-concerned chemical : None
Clear Aperture : 1.25 Inchs
Thickness : 1.85mm
Surface Quality : 60/40
Size : 1.25inch(31.7mm)
Model Number : SV115
Blocking area : 400-700nm
Transmittance : 90% at 495.9nm and 500.7nm
Diameter : 1.25 inch/2 inch
Filter Thickness : 1.85mm
FWHM : 18±2nm

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