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- Remove This Item Manufacturer: Astrodon
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Astrodon - Narrowband - 50mm Square H-a 3 nm Filter
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, ... Learn More
FREE SHIPPINGModel#: HA3-50S(48 States)
$1,095.00 -
Astrodon - Narrowband - 50mm Square OIII 3 nm Filter
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, ... Learn More
FREE SHIPPINGModel#: OIII3-50S(48 States)
$1,095.00 -
Astrodon - Narrowband - 50mm Square SII 3 nm Filter
Narrowband FiltersNarrowband (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, 501 nm), sulfur (SII, 672nm) and others ... Learn More
FREE SHIPPINGModel#: SII3-50S(48 States)
$1,095.00 -
Astrodon - NIR Tricolor - 50mm dia. NIRL123 Tri-color Imaging (Set of 4)
NIR Tricolor Filters The NIR region remains largely unexplored by amateur imagers. Perhaps this is due to the impression that the Si CCD camera is not sufficiently sensitive in the NIR ... Learn More
FREE SHIPPINGModel#: NIRL123-50R(48 States)
$1,150.00 -
Astrodon - Tru-Balance E-Series - 50mm Square CRGB Filter
What really distinguishes E-Series Tru-Balance filters is their ability to regulate the transition of photons. Within 10%, the RGB color combine weights are about 1:1:1 which means the observor must only take one dark for equal time multiple expores for RGB.
... Learn MoreFREE SHIPPINGModel#: CRGB2-E50S(48 States)
$1,150.00 -
Astrodon - Tru-Balance E-Series - 50mm Square LRGB Filter
TRU-BALANCE FILTERSSIMPLIFY YOUR IMAGINGGreat Filters Just Got Better - Generation 2 Now Shipping! Astrodon Tru-Balance RGB filters have revolutionized CCD imaging ... Learn More
FREE SHIPPINGModel#: LRGB2-E50S(48 States)
$1,150.00 -
Astrodon - Tru-Balance E-Series - 65mm Square LRGB Filters for SBIG STX
TRU-BALANCE FILTERS SIMPLIFY YOUR IMAGINGGreat Filters Just Got Better - Generation 2 Now Shipping! Astrodon Tru-Balance RGB filters have revolutionized CCD imaging ... Learn More
FREE SHIPPINGModel#: LRGB2_E65S(48 States)
$1,895.00
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