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Nebula Filter H-Beta 1.25-inch

Nebula Filter H-Beta 1.25-inch

$129.99
Explore 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...
Nebula Filter Oxygen III 1.25-inch

Nebula Filter Oxygen III 1.25-inch

$109.99
Explore Scientific Nebula Filter 1.25" O-III Range from 483nm to 511nm with peak at 496nm. Transmission 96.7% Oxygen III - This is the highest contrast Nebula Filter in the series,...
Neutral Density Filter 1.25" ND 0.9

Neutral Density Filter 1.25" ND 0.9

$49.99
The neutral density filter transmits light uniformly across the entire visual spectrum. It serves as an excellent filter to reduce glare and irradiation when observing the Moon with any telescope...