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Neutral Density Filter 2" ND 0.9
$59.99
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...
Nebula Filter Oxygen III 2-inch 6.5nm
$249.99
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 2-inch 12nm
$209.99
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 2-inch 6.5nm
$249.99
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 2-inch 12nm
$198.99
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 2-inch 7nm
$258.99
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...