Explore Scientific 2" H-Beta Narrowband Filter

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Explore Scientific 2" H-Beta Narrowband Filter
$142.99
Item # ES-310230
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  • The Explore Scientific 2" H-Beta Narrowband Filter is a filter ideal for piercing light pollution to view certain nebulae in suburban regions, such as the Horsehead Nebula.
  • The Explore Scientific 2" H-Beta Narrowband Filter let's you see Nebulae that otherwise would be invisible in your region due to light pollution.
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Explore Scientific 2" H-Beta Narrowband Filter



Light pollution is a problem that plagues any astronomer living in or near a large city, and is even a hassle for those who live in smaller towns. There are two ways to avoid light pollution, and it's not always convenient to take a trip into the middle of nowhere. For those situations, we recommend Explore Scientific's new 2" H-Beta Narrowband filter! Light pollution is caused by the extreme amounts of artificial light present in most any city or town in the modern world, and it drastically reduces the visibility of almost all night sky objects in some way or another, depending on the severity in your region. However, filters like this one can make it possible to pierce the haze caused by night pollution to behold whole segments of the night sky usually invisible in any suburban area.

This filter makes that possible by blocking out almost all wavelengths of light save the Hydrogen Beta wavelengths that are emitted by certain nebula. As the filter only accepts the specific wavelength that has been proven to be linked to those Nebula, the artificial light of light pollution is blocked utterly. At the same time, this same mechanism makes stunning nebulae visible in places that before may have just seemed to be empty stretches of sky!

Manufacturer Product Number: 310230
Additional Information

Additional Information

SKU ES-310230
UPC Code 812257017232
Manufacturer Explore Scientific
Type of Filter H-Beta
Filter Usage Imaging, Visual
Single or Set? Single Filter
Filter Size 2"
Filter Shape Round
Filter Mounted? Unmounted
Warranty 5 Year Warranty
Peak Transmission 94.5%
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