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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 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...