3nm Filters

4 products

4 products
CXB (formerly Astrodon) 3nm Narrowband Ha Filter (Hydrogen Alpha)
CXB (formerly Astrodon) 3nm Narrowband OIII Filter (Oxygen III)
Astrodon 3 nm Narrowband Filters - SII filter (6795795333273)
CXB (formerly Astrodon) 3nm Narrowband SII Filter (Sulfur II)
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NII3 28 (6795795234969)
CXB (formerly Astrodon) 3nm Narrowband NII Filter (Nitrogen II)