Filters
Filters
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Original price $284.00 - Original price $606.00Original price$284.00 - $606.00$284.00 - $606.00Current price $284.00| /
Astrodon Clear Filter - UV-Blocked, No NIR Blocking
DON-C2_27RUV-Blocked Clear filters with 395 nm cut-on (50% transmission at 395 nm) and at least 97% transmission to 1000 nm. Often purchased with our photome...
View full detailsOriginal price $284.00 - Original price $606.00Original price$284.00 - $606.00$284.00 - $606.00Current price $284.00| /Sold out -
Original price $304.00 - Original price $592.00Original price$304.00 - $592.00$304.00 - $592.00Current price $304.00| /
Astrodon Exo-Planet Filter - Clear with Blue-Blocking
DON-XOPBB_27RAstrodon introduced the ExoPlanet-BB filter for use in amateur-scale telescopes to measure light curves of exoplanets.Although it may not seem poss...
View full detailsOriginal price $304.00 - Original price $592.00Original price$304.00 - $592.00$304.00 - $592.00Current price $304.00| /Sold out -
Original price $302.00 - Original price $663.00Original price$302.00 - $663.00$302.00 - $663.00Current price $302.00| /
Astrodon Green Filter - E Series
DON-G2_E27RLuminance and Blue Filters are the same in both the E and I series. Only the Red and Green filters differ.Astrodon LRGB Gen2 E-Series Tru-Balance F...
View full detailsOriginal price $302.00 - Original price $663.00Original price$302.00 - $663.00$302.00 - $663.00Current price $302.00| /Sold out -
Original price $302.00 - Original price $663.00Original price$302.00 - $663.00$302.00 - $663.00Current price $302.00| /
Astrodon Green Filter - I Series
DON-G2_I27RLuminance and Blue Filters are the same in both the E and I series. Only the Red and Green filters differ.Astrodon LRGB Gen2 I-Series Tru-Balance F...
View full detailsOriginal price $302.00 - Original price $663.00Original price$302.00 - $663.00$302.00 - $663.00Current price $302.00| /Sold out -
Original price $928.00 - Original price $2,367.00Original price$928.00 - $2,367.00$928.00 - $2,367.00Current price $928.00| /
Astrodon H-alpha Filter - 3nm
DON-HA3_27RH-α (hydrogen-alpha) at 656 nm (nanometers) is deep red in color and the most popular narrowband filter. Hydrogen is ubiquitous in the cosmos and i...
View full detailsOriginal price $928.00 - Original price $2,367.00Original price$928.00 - $2,367.00$928.00 - $2,367.00Current price $928.00| /Sold out -
Original price $625.00 - Original price $2,057.00Original price$625.00 - $2,057.00$625.00 - $2,057.00Current price $625.00| /
Astrodon H-alpha Filter - 5nm
Options available1 variants in stockH-α (hydrogen-alpha) at 656 nm (nanometers) is deep red in color and the most popular narrowband filter. Hydrogen is ubiquitous in the cosmos and i...
View full detailsOriginal price $625.00 - Original price $2,057.00Original price$625.00 - $2,057.00$625.00 - $2,057.00Current price $625.00| / -
Original price $356.00 - Original price $905.00Original price$356.00 - $905.00$356.00 - $905.00Current price $356.00| /
Astrodon Johnson/Cousins B Filter
DON-B***_27RSpectral profiles designed after U, B, V, Rc, Ic Johnson/Cousins Improved B filter (B***) extending blocking >1100 nm and eliminating small lig...
View full detailsOriginal price $356.00 - Original price $905.00Original price$356.00 - $905.00$356.00 - $905.00Current price $356.00| /Sold out -
Original price $356.00 - Original price $905.00Original price$356.00 - $905.00$356.00 - $905.00Current price $356.00| /
Astrodon Johnson/Cousins Ic Filter
DON-Ic*_27RSpectral profiles designed after U, B, V, Rc, Ic Johnson/Cousins Improved B filter (B***) extending blocking >1100 nm and eliminating small lig...
View full detailsOriginal price $356.00 - Original price $905.00Original price$356.00 - $905.00$356.00 - $905.00Current price $356.00| /Sold out -
Original price $356.00 - Original price $905.00Original price$356.00 - $905.00$356.00 - $905.00Current price $356.00| /
Astrodon Johnson/Cousins Rc Filter
DON-Rc*_27RSpectral profiles designed after U, B, V, Rc, Ic Johnson/Cousins Improved B filter (B***) extending blocking >1100 nm and eliminating small lig...
View full detailsOriginal price $356.00 - Original price $905.00Original price$356.00 - $905.00$356.00 - $905.00Current price $356.00| /Sold out -
Original price $356.00 - Original price $905.00Original price$356.00 - $905.00$356.00 - $905.00Current price $356.00| /
Astrodon Johnson/Cousins U Filter
DON-UV*_27RSpectral profiles designed after U, B, V, Rc, Ic Johnson/Cousins Improved B filter (B***) extending blocking >1100 nm and eliminating small lig...
View full detailsOriginal price $356.00 - Original price $905.00Original price$356.00 - $905.00$356.00 - $905.00Current price $356.00| /Sold out -
Original price $356.00 - Original price $905.00Original price$356.00 - $905.00$356.00 - $905.00Current price $356.00| /
Astrodon Johnson/Cousins V Filter
DON-V*_27RSpectral profiles designed after U, B, V, Rc, Ic Johnson/Cousins Improved B filter (B***) extending blocking >1100 nm and eliminating small lig...
View full detailsOriginal price $356.00 - Original price $905.00Original price$356.00 - $905.00$356.00 - $905.00Current price $356.00| /Sold out -
Original price $278.00 - Original price $278.00Original price$278.00$278.00 - $278.00Current price $278.00| /
Astrodon L2P Light Pollution Luminance Filter
DON-L2P_31ROur L2P filters are designed to be used the same way that you would use a regular Astrodon Luminance filter, either by itself or as part of a LRGB ...
View full detailsOriginal price $278.00 - Original price $278.00Original price$278.00$278.00 - $278.00Current price $278.00| /Sold out -
Original price $901.00 - Original price $4,509.00Original price$901.00 - $4,509.00$901.00 - $4,509.00Current price $901.00| /
Astrodon LRGB Filter Set - E Series
DON-LRGB2_E27RAstrodon LRGB Gen2 E-Series Tru-Balance Filter Sets have revolutionized CCD imaging. Their popularity is due to their ease-of-use, high optical thr...
View full detailsOriginal price $901.00 - Original price $4,509.00Original price$901.00 - $4,509.00$901.00 - $4,509.00Current price $901.00| /Sold out -
Original price $901.00 - Original price $2,338.00Original price$901.00 - $2,338.00$901.00 - $2,338.00Current price $901.00| /
Astrodon LRGB Filter Set - I Series
DON-LRGB2_I27RLuminance and Blue Filters are the same in both the E and I series. Only the Red and Green filters differ.Astrodon LRGB Gen2 I-Series Tru-Balance F...
View full detailsOriginal price $901.00 - Original price $2,338.00Original price$901.00 - $2,338.00$901.00 - $2,338.00Current price $901.00| /Sold out -
Original price $302.00 - Original price $648.00Original price$302.00 - $648.00$302.00 - $648.00Current price $302.00| /
Astrodon Luminance Filter
DON-L2_27RLuminance and Blue Filters are the same in both the E and I series. Only the Red and Green filters differ.Astrodon LRGB Gen2 E-Series Tru-Balance F...
View full detailsOriginal price $302.00 - Original price $648.00Original price$302.00 - $648.00$302.00 - $648.00Current price $302.00| /Sold out -
Original price $928.00 - Original price $2,367.00Original price$928.00 - $2,367.00$928.00 - $2,367.00Current price $928.00| /
Astrodon NII Filter - 3nm
DON-NII3_27RWhat about NII and H-a?This is a bit complicated. It is not well known that most H-a filters pass both H-a and NII. H-a emits at 656.3 nm and NII e...
View full detailsOriginal price $928.00 - Original price $2,367.00Original price$928.00 - $2,367.00$928.00 - $2,367.00Current price $928.00| /Sold out -
Original price $384.00 - Original price $1,037.00Original price$384.00 - $1,037.00$384.00 - $1,037.00Current price $384.00| /
Astrodon NIR Filter
DON-NIRL_27RThis Astrodon Near IR-Luminance filter blocks below 700nm and transmits at least 97% of light above 700nm all the way to the limit of the Si detect...
View full detailsOriginal price $384.00 - Original price $1,037.00Original price$384.00 - $1,037.00$384.00 - $1,037.00Current price $384.00| /Sold out -
Original price $928.00 - Original price $2,367.00Original price$928.00 - $2,367.00$928.00 - $2,367.00Current price $928.00| /
Astrodon OIII Filter - 3nm
DON-OIII3_27RThe next filter to complement your LRGBH-a set is an oxygen filter. OIII (“ohthree”) emits light near 500 nm and is a blue-green- or teal-colored f...
View full detailsOriginal price $928.00 - Original price $2,367.00Original price$928.00 - $2,367.00$928.00 - $2,367.00Current price $928.00| /Sold out -
Original price $625.00 - Original price $2,057.00Original price$625.00 - $2,057.00$625.00 - $2,057.00Current price $625.00| /
Astrodon OIII Filter - 5nm
DON-OIII5_27RThe next filter to complement your LRGBH-a set is an oxygen filter. OIII (“ohthree”) emits light near 500 nm and is a blue-green- or teal-colored f...
View full detailsOriginal price $625.00 - Original price $2,057.00Original price$625.00 - $2,057.00$625.00 - $2,057.00Current price $625.00| /Sold out -
Original price $625.00 - Original price $2,057.00Original price$625.00 - $2,057.00$625.00 - $2,057.00Current price $625.00| /
Astrodon Red Continuum - 5nm
DON-RedCon5_27RThis Red Continuum filter (645 nm, 5 nm FWHM) produces a star map without the H-a or SII emission in order to subtract stars from emission images. ...
View full detailsOriginal price $625.00 - Original price $2,057.00Original price$625.00 - $2,057.00$625.00 - $2,057.00Current price $625.00| /Sold out -
Original price $302.00 - Original price $663.00Original price$302.00 - $663.00$302.00 - $663.00Current price $302.00| /
Astrodon Red Filter - E Series
DON-R2_E27RLuminance and Blue Filters are the same in both the E and I series. Only the Red and Green filters differ.Astrodon LRGB Gen2 E-Series Tru-Balance F...
View full detailsOriginal price $302.00 - Original price $663.00Original price$302.00 - $663.00$302.00 - $663.00Current price $302.00| /Sold out -
Original price $302.00 - Original price $663.00Original price$302.00 - $663.00$302.00 - $663.00Current price $302.00| /
Astrodon Red Filter - I Series
DON-R2_I27RLuminance and Blue Filters are the same in both the E and I series. Only the Red and Green filters differ.Astrodon LRGB Gen2 I-Series Tru-Balance F...
View full detailsOriginal price $302.00 - Original price $663.00Original price$302.00 - $663.00$302.00 - $663.00Current price $302.00| /Sold out -
Original price $928.00 - Original price $2,367.00Original price$928.00 - $2,367.00$928.00 - $2,367.00Current price $928.00| /
Astrodon SII Filter - 3nm
DON-SII3_27RIf you want the look of Hubble Space Telescope (HST) images, such as the famous “Pillars of Creation” (the Eagle Nebula, Messier 16), then the next...
View full detailsOriginal price $928.00 - Original price $2,367.00Original price$928.00 - $2,367.00$928.00 - $2,367.00Current price $928.00| /Sold out -
Original price $625.00 - Original price $2,057.00Original price$625.00 - $2,057.00$625.00 - $2,057.00Current price $625.00| /
Astrodon SII Filter - 5nm
Options available1 variants in stockIf you want the look of Hubble Space Telescope (HST) images, such as the famous “Pillars of Creation” (the Eagle Nebula, Messier 16), then the next...
View full detailsOriginal price $625.00 - Original price $2,057.00Original price$625.00 - $2,057.00$625.00 - $2,057.00Current price $625.00| /