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Item Number 510365
5" LCD screen
and brighter deep-sky objects like star clusters and nebulae
This also maximizes the life of the internal coatings
But then Maxwell tells us something else interesting too: if we have electricity moving in a piece of metal
Nebula Filter H-Beta 1.25-inch 400-600 Item Number 510365Explore Scientific Nebula Filter 1. 25" H Beta Range from 478nm to 496nm with peak at 489nm. Transmission 94. 5% 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.
US$ 105.00
US$ 90.00
US$ 90.00
