Filters for Imaging
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Astrodon - Narrowband - 50mm dia. 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#: HA5-50R(48 States)
$625.00 -
Astrodon - Narrowband - 50mm dia. 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#: OIII3-50R(48 States)
$925.00 -
Astrodon - Narrowband - 50mm dia. 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 More
FREE SHIPPINGModel#: OIII5-50R(48 States)
$625.00 -
Astrodon - Narrowband - 50mm dia. RED 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#: REDCON5-50R(48 States)
$675.00 -
Astrodon - Narrowband - 50mm dia. SII 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#: SII3-50R(48 States)
$925.00 -
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 - Tru-Balance I-Series - 1.25" Mounted 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-I27R(48 States)
$450.00 -
Astrodon - Tru-Balance I-Series - 50mm dia. 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-I50R(48 States)
$875.00



















