36mm Filters
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Astrodon - Narrowband 5 nm H-a > 90%T 36mm Diameter Filter for SBIG ST-8300
Narrowband Filters Narrowband (NB) filters enhance contrast of emission objects by accepting only a narrow range of wavelengths around the emission lines of hydrogen (H-a, 656 nm), oxygen (OIII,
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$375.00 -
Astrodon - Narrowband 5 nm OIII > 90%T 36mm Diameter Filter for SBIG ST-8300
Astrodon - Narrowband 5 nm OIII 90%T 36mm Diameter Filter for SBIG ST8300
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$375.00 -
Astrodon - Narrowband 5 nm SII > 90%T 36mm Diameter Filter for SBIG ST-8300
Astrodon - Narrowband 5 nm SII 90%T 36mm Diameter Filter for SBIG ST8300
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$375.00 -
Astronomik - 12nm H-Beta CCD Filter - 36mm Round Unmounted
The Astronomik H-beta filter is a narrow band emission-line filter for CCD photography.
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$249.95 -
Astronomik - H-Alpha 12nm CCD Filter - 36mm Round Unmounted
The Astronomik H-alpha filter is a narrow band filter for CCD photography.
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$229.95 -
Astronomik - H-Alpha 6nm CCD Filter - 36mm Round Unmounted
The Astronomik 6nm H-alpha filter is an extremely narrow emission-line filter for CCD photography.
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$349.95 -
Astronomik - LRGB Filter Set - 36mm Round Unmounted
These filters provide a natural color reproduction of planets, stars, emission- and reflection nebulas.
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$449.95 -
Astronomik - OIII 12nm CCD Filter - 36mm Round Unmounted
The Astronomik OIII CCD filter is a narrow band emission-line-filter for CCD photography.
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$224.95 -
Astronomik - SII 12nm CCD Filter - 36mm Round Unmounted
The Astronomik SII-CCD filter is a narrow-band-filter for CCD photography.
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$229.95



















