• SVBONY SV240 2" Multi-Narrowband Filter for Astrophotography — Isolate Multiple Nebula Emission Lines in One Filter
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SVBONY SV240 2" Multi-Narrowband Filter for Astrophotography — Isolate Multiple Nebula Emission Lines in One Filter

SVBONY SV240 2" Multi-Narrowband Filter for Astrophotography — Isolate Multiple Nebula Emission Lines in One Filter

$141.99
$141.99
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The SVBONY SV240 2-inch multi-narrowband filter isolates several nebula emission lines in narrow windows, delivering high contrast for one-shot-color deep-sky imaging under compromised skies. By tightening the passbands around the key emission lines, it darkens the background and cuts light pollution and moonlight more aggressively than a standard dual-band, making faint nebulosity stand out. It threads into standard 2-inch filter mounts.

Who it's for
OSC-camera imagers who want stronger contrast and better light-pollution and moonlight rejection than a wider dual-band. New to filters? See our guide to telescope filters.

  • Multi-narrowband: tight windows around key emission lines for high contrast.
  • Strong skyglow rejection: better against light pollution and moonlight than wide filters.
  • OSC-friendly: designed for one-shot-color cameras.
  • 2-inch thread: fits standard 2" filter drawers, wheels, and adapters.
  • Faint nebulosity pops: darker backgrounds reveal more detail.
Specifications
Type Multi-narrowband nebula filter
Best For One-shot-color imaging under light pollution / moonlight
Size 2" (threaded)
Model / SKU SV240 (W9191A)

How is this different from a dual-band?
Its narrower windows reject more skyglow and moonlight for higher contrast, at the cost of slightly longer exposures.

Do I need a mono camera?
No — it's built for one-shot-color cameras.

When should I use it?
Under heavier light pollution or bright moonlight, or when you want maximum contrast on emission nebulae.

Will it fit my imaging train?
Yes — the 2-inch thread fits standard filter drawers, wheels, and adapters.

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Frequently Asked Questions

With a beginner telescope you can see a surprising amount — the craters and mountains on the Moon, the rings of Saturn, the moons of Jupiter, and star clusters like the Pleiades. As you get more comfortable, you can also spot nebulae and distant galaxies. Not sure which beginner telescope is right for you? Check out our Telescope Buying Guide.
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