Filters by Size
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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- Narrowband - 1.25" Mounted H-a 5 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#: HA5-27R(48 States)
$295.00 -
Astronomik - 12nm H-Beta CCD Filter - 1.25" Round Mounted
The Astronomik H-beta filter is a narrow band emission-line filter for CCD photography.
... Learn MoreModel#: HBCCD-1
$149.95 -
Astronomik - 12nm H-Beta CCD Filter - 2" Round Mounted
The Astronomik H-beta filter is a narrow band emission-line filter for CCD photography.
... Learn MoreFREE SHIPPINGModel#: HBCCD-2(48 States)
$329.95 -
Astronomik - 12nm H-Beta CCD Filter - 31mm Round Unmounted
The Astronomik H-beta filter is a narrow band emission-line filter for CCD photography.
... Learn MoreModel#: HBCCD-31
$179.95 -
Astronomik - 12nm H-Beta CCD Filter - 36mm Round Unmounted
The Astronomik H-beta filter is a narrow band emission-line filter for CCD photography.
... Learn MoreFREE SHIPPINGModel#: HBCCD-36(48 States)
$249.95 -
Astronomik - 12nm H-Beta CCD Filter - 50mm Round Unmounted
The Astronomik H-beta filter is a narrow band emission-line filter for CCD photography.
... Learn MoreFREE SHIPPINGModel#: HBCCD-50R(48 States)
$329.95 -
Astronomik - 12nm H-Beta CCD Filter - 50mm Square Unmounted
The Astronomik H-beta filter is a narrow band emission-line filter for CCD photography.
... Learn More
FREE SHIPPINGModel#: HBCCD-50SQ(48 States)
$429.95 -
Astronomik - CLS CCD Light Pollution Filter - 31mm Round Unmounted
The Astronomik CLS CCD is suitable under light-polluted skies for DSLR Cameras, which have been remodeled for astronomical use.
... Learn MoreModel#: CLSCCD-31
$129.95 -
Astronomik - CLS CCD Light Pollution Filter - 36mm Round Unmounted
The Astronomik CLS CCD is suitable under light-polluted skies for DSLR Cameras, which have been remodeled for astronomical use.
... Learn MoreModel#: CLSCCD-36
$169.95 -
Astronomik - CLS Light Pollution Filter - 1.25" Mounted
The Astronomik CLS is an excellent filter for black & white and color imaging of nebulae, galaxies and star clusters with astronomical instruments of any size.
... Learn MoreModel#: CLS-1
$79.95 -
Astronomik - CLS Light Pollution Filter - 2" Round Mounted
The Astronomik CLS is an excellent filter for black & white and color imaging of nebulae, galaxies and star clusters with astronomical instruments of any size.
... Learn MoreModel#: CLS-2
$189.95 -
Astronomik - CLS Light Pollution Filter - 31mm Round Unmounted
The Astronomik CLS is an excellent filter for black & white and color imaging of nebulae, galaxies and star clusters with astronomical instruments of any size.
... Learn MoreModel#: CLS-31
$99.95




















