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Nebula Filter CLS 1.25-inch
$109.99
Explore Scientific Nebula Filter 1.25" CLS Range from 436nm to 536nm with peak at 488nm. Transmission 98.3% This is a general-purpose light-pollution reduction filter designed for observing the broad range...
Nebula Filter UHC 1.25-inch
$109.99
Explore Scientific Nebula Filter 1.25" UHC Range from 458nm to 508nm with peak at 488nm. Transmission 96.7% UHC - This is an ultra-high contrast narrow-band filter, designed for observing the...
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
$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
$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...
Nebula Filter Oxygen III 1.25-inch 6.5nm
$158.99
Features High quality Explore Scientific O-III filter Let only the oxygen emission lines "through" Absorbs all other emission lines Absorbs almost all of the artificial light Passband bandwidth: 6.5 nm...
Nebula Filter S-II 1.25-inch 12nm
$149.99
Features High quality Explore Scientific S-II filter Absorbs all other emission lines Absorbs almost all of the artificial light Passband bandwidth: 12 nm For observing faint planetary nebulae, emission nebulae...
Nebula Filter S-II 1.25-inch 6.5nm
$158.99
Features High quality Explore Scientific S-II filter Absorbs all other emission lines Absorbs almost all of the artificial light Passband bandwidth: 6.5 nm For observing faint planetary nebulae, emission nebulae...
Nebula Filter H-Alpha 1.25-inch 12nm
$158.99
Features High quality Explore Scientific H-Alpha filter Lets only the emission lines of hydrogen "through" Absorbs almost all of the artificial light More contrast and details for all urban astrophotographers...
Nebula Filter H-Alpha 1.25-inch 7nm
$174.99
Features High quality Explore Scientific H-Alpha filter Lets only the emission lines of hydrogen "through" Absorbs almost all of the artificial light More contrast and details for all urban astrophotographers...