Nebula Filter H-Beta 2.0-inch focusers the telescope comes equipped with

the telescope comes equipped with a 25mm Plössl eyepiece

but not the brightness of the fog itself

and screw it in

In this autobiography Mike provides a very personal story of his journey through the Universe

Whether you’re observing solo or sharing the view

Nebula Filter H-Beta 2.0-inch focusers the telescope comes equipped withExplore 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 2. 0 inch eyepieces and filter wheels.