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Featured manufacturers
Filters
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Astrodon - Narrowband - 50mm dia. SII 5 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#: SII5-50R(48 States)
$625.00 -
Astrodon - Narrowband - 50mm dia. Unmounted NII 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#: NII3-50R(48 States)
$925.00 -
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 H-a 5 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#: HA5-50S(48 States)
$745.00 -
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 OIII 5 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 MoreFREE SHIPPINGModel#: OIII5-50S(48 States)
$745.00 -
Astrodon - Narrowband - 50mm Square RED Continuum 5 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#: REDCON5-50S(48 States)
$750.00 -
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 - Narrowband - 50mm Square SII 5 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#: SII5-50S(48 States)
$745.00 -
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,
... Learn MoreFREE SHIPPINGModel#: HA5-36R(48 States)
$375.00 -
Astrodon - Narrowband 5 nm H-a > 90%T 65mm Square Filter for SBIG STX
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 MoreFREE SHIPPINGModel#: HA5-65S(48 States)
$945.00 -
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
... Learn MoreFREE SHIPPINGModel#: OIII5-36R(48 States)
$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
... Learn MoreFREE SHIPPINGModel#: SII5-36R(48 States)
$375.00 -
Astrodon - NIR Tricolor - 1.25" Mounted NIR Luminance >700 nm
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
Model#: NIRL-27R
$175.00 -
Astrodon - NIR Tricolor - 1.25" Mounted 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#: NIRL123-27R(48 States)
$500.00 -
Astrodon - NIR Tricolor - 50mm dia. NIRL Luminance
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#: NIRL-50R(48 States)
$295.00 -
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 + 5 nm > 90%T H-a 65mm Square LRGB Filters for SBIG STX
The E-Series is designed for the red-sensitive Kodak full-frame detectors with the goal of equalizing the fluxes, and hence, the signal-to-noise, for the red, green and blue filters. This simplifies your imaging, because it allows you to take the same length exposure for each color and only one dark frame exposure time. You will appreciate this since each 16803 FITS file is ~32MB in size. Within ~10% your color combine weights based upon a G2V (sun-like) star white point should be 1:1:1, making processing much easier.
... Learn MoreFREE SHIPPINGModel#: LRGB2HA5_65S(48 States)
$2,750.00 -
Astrodon - Tru-Balance E-Series - 1.25" Generation 2 Mounted GREEN 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
Model#: G2-E27R
$125.00 -
Astrodon - Tru-Balance E-Series - 1.25" Mounted CRGB 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#: CRGB2-E27R(48 States)
$450.00
