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Astrodon H-alpha Filter - 5nm

DON-HA5_31R
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H-α (hydrogen-alpha) at 656 nm (nanometers) is deep red in color and the most popular narrowband filter. Hydrogen is ubiquitous in the cosmos and i...

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$484.00
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$484.00
$363.00
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$363.00
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Astrodon SII Filter - 5nm

DON-SII5_31R
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If you want the look of Hubble Space Telescope (HST) images, such as the famous “Pillars of Creation” (the Eagle Nebula, Messier 16), then the next...

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$484.00
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$484.00
$363.00
$363.00 - $363.00
$363.00
Save 25% Save %