Skip to content
Price match 30-day returns* Talk to an astronomer before you buy

Astrodon

Filters

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

Astrodon H-alpha Filter - 5nm

DON-HA5_31R
Only 1 left!

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...

View full details
$484.00
$484.00 - $484.00
$484.00
$363.00
$363.00 - $363.00
$363.00
Save 25% Save %
Sold out
$484.00
$484.00 - $484.00
$484.00
$363.00
$363.00 - $363.00
$363.00

Astrodon SII Filter - 5nm

DON-SII5_31R

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...

View full details
$484.00
$484.00 - $484.00
$484.00
$363.00
$363.00 - $363.00
$363.00
Sold out