Explore Scientific Nebula Filter H-Beta 1.25-inch 310235
Adding this filter will only enhance the your visibility by blocking all artificial lighting allowing you to focus on what's more important.
Price 129.99 SKU 310235 BARCODE 812257017188 Explore Scientific Nebula Filter H-Beta 1.25-inch 310235
Features and Benefits
- fits all standard 1.25-inch eyepieces and filter wheels
- blocks all other wavelengths (and thereby nearly all of the artificial light)
- enjoy the true emission line of hydrogen beta
- Range from 478nm to 496nm with peak at 489nm. Transmission 94.5%
Type: H-Beta 1.25”
H-Beta - Hydrogen is the most abundant element in the universe and many nebulae glow in the light of H-beta. This line filter blocks all other wavelengths (and thereby nearly all of the artificial light) and only the emission line of hydrogen beta will pass. This filter fits all standard 1.25-inch eyepieces and filter wheels.