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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,...
Nebula Filter Oxygen III 2.0-inch

Nebula Filter Oxygen III 2.0-inch

$139.99
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,...
Nebula Filter Oxygen III 1.25-inch 6.5nm

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 Oxygen III 2-inch 6.5nm

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...