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MEGA BLACK FRIDAY DEALS //POST CANADA WON'T BE USED UNTIL STRIKE IS SOLVED / Free Shipping for orders over $500* Some exceptions may apply.
MEGA BLACK FRIDAY DEALS //POST CANADA WON'T BE USED UNTIL STRIKE IS SOLVED / Free Shipping for orders over $500* Some exceptions may

Imaging Filters

Imaging filters are used to increase details in specific Oxygen III, H-Alpha, Sulfur II, H-Beta and more line in the spectrum graphic. 

 

Filters

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$179.00
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$179.00
$159.00
$159.00 - $159.00
$159.00

Player One 7nm SHO Narrowband Filters 1.25"

Player One 7nm SHO Narrowband Filters 1.25"  This is a New Product - Please note that further information will come soon.  Multilayer composite coa...

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$179.00
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$159.00
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$159.00
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$269.00
$269.00 - $269.00
$269.00
$255.55
$255.55 - $255.55
$255.55

Antlia U-Venus Imaging Filter - 1.25'' (UVENUS)

Antlia U-Venus Imaging Filter - 1.25'' Antlia Venus-U filter is designed for imaging the cloud structure of Venus and Jupiter with CCD cameras on a...

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$269.00
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$269.00
$255.55
$255.55 - $255.55
$255.55
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$120.00 - $120.00
$120.00
$120.00 - $120.00
$120.00

Thousand Oaks Broadband Light Pollution Reduction Filter - 1.25" (LP125)

Thousand Oaks Broadband Light Pollution Reduction Filter - 1.25" Blocks most man-made light pollution (sky glow) from common sources such as mercu...

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$120.00 - $120.00
$120.00
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$120.00
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$371.00
$371.00 - $371.00
$371.00
$360.00
$360.00 - $360.00
$360.00

Lumicon 2" OIII Gen3 Filter (LF3045)

New Improved Generation 3 Lumicon 2 Inch Oxygen III Filter Generation 3 Lumicon 2 Inch Oxygen III Filter visually isolates the two doubly ionized o...

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$371.00
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$371.00
$360.00
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$360.00
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$1,067.00 - $3,250.00
$1,067.00 - $3,250.00
$1,067.00 - $3,250.00
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Artesky ERF rejection filter with metal cell

Artesky ERF rejection filter with metal cell The purpose of using an Energy Rejection Filter (ERF) is to prevent as much solar energy as possible f...

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$1,067.00 - $3,250.00
$1,067.00 - $3,250.00
$1,067.00 - $3,250.00
$1,067.00
$770.00 - $5,099.00
$770.00 - $5,099.00
$770.00 - $5,099.00
$770.00

Artesky ERF rejection filters

Artesky ERF rejection filter  The purpose of using an Energy Rejection Filter (ERF) is to prevent as much solar energy as possible from entering th...

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$770.00 - $5,099.00
$770.00 - $5,099.00
$770.00 - $5,099.00
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$1,188.00
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$1,128.60
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$1,128.60

Antlia New Solar Discover 5Å CaK filter (SD-CAK5)

Antlia New Solar Discover 5Å CaK filter (SD-CAK5) The Antlia Solar Discover 5Å CaK assembly incorporates a set of light-reducing filters to reduce ...

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$1,188.00
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$460.75
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$460.75

Antlia NEW Solar Discover 3nm CaK filter (SD-CAK3)

Antlia New Solar Discover 3nm CaK filter Telescope-side connection is 1.25" and 2" Camera side connection is 2" with ring clamp Transmission at 3...

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$485.00
$460.75
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$460.75
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IDAS LPS-P2 31mm pollution filter (LPS-P2-31) - Astronomy Plus
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$180.00
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$100.00

IDAS LPS-P2 31mm pollution filter (LPS-P2-31)

IDAS LPS-P2 unmounted 31mm pollution filter  New, but discontinued. Description Light pollution suppression (LPS) filters are designed to suppress...

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$180.00
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SVBONY Narrowband Filters 1.25''/2''/EOS-C H-Alpha 7nm for CCD Cameras - Astronomy Plus
SVBONY Narrowband Filters 1.25''/2''/EOS-C H-Alpha 7nm for CCD Cameras - Astronomy Plus
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$148.50 - $224.00
$148.50 - $224.00
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$126.22 - $190.40
$126.22 - $190.40
$126.22

SVBONY Narrowband Filters 1.25''/2''/EOS-C H-Alpha 7nm for CCD Cameras

SVBONY Narrowband Filters 1.25''/2''/EOS-C H-Alpha 7nm for CCD Cameras Optical high precision double sided polishing to ensure that the parallelis...

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$148.50 - $224.00
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$148.50
$126.22 - $190.40
$126.22 - $190.40
$126.22
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SVBONY 2" SHO Filter Set H-Alpha OIII SII 7nm (F9169B-W9121B-W9122B) - Astronomy Plus
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$594.00
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$504.90
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$504.90

SVBONY 2" SHO Filter Set H-Alpha OIII SII 7nm (F9169B-W9121B-W9122B)

SVBONY 2" SHO Filter Set H-Alpha OIII SII 7nm 1. The H-Alpha 7nm is an extremely narrow emission-line filter that works by allowing a 7nm bandwidt...

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$594.00
$504.90
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$504.90
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IDAS GNB Galaxy & Nebula Filters - Astronomy Plus
IDAS GNB Galaxy & Nebula Filters - Astronomy Plus
$305.00 - $443.00
$305.00 - $443.00
$305.00 - $443.00
$305.00

IDAS GNB Galaxy & Nebula Filters

IDAS GNB Galaxy & Nebula Filters Capturing Ha & OIII emission lines as well as the galaxy’s broadband signal in NIR at same time Availabl...

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$305.00 - $443.00
$305.00 - $443.00
$305.00 - $443.00
$305.00
Player One IR850nm 1.25″ IR-Pass Filter S-series (IR850) - Astronomy Plus
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$39.00
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$39.00
$30.00
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$30.00

Player One IR850nm 1.25″ IR-Pass Filter S-series (IR850)

Player One IR850nm 1.25″ IR-Pass Filter S-series Player One S series filter using high quality optical glass substrate and multi-layer composite co...

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$39.00
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$39.00
$30.00
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$30.00
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Chroma 3nm SII Filter Optimized for f/2.8-f/3.6 (27067) - Astronomy Plus
$776.00 - $2,093.00
$776.00 - $2,093.00
$776.00 - $2,093.00
$776.00

Chroma 3nm SII Filter Optimized for f/2.8-f/3.6 (27067)

Chroma 3nm SII Filter Optimized for f/2.8-f/3.6 SII filters isolate the spectral emission of singly ionized sulfur atoms, also common in nebulae. E...

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$776.00 - $2,093.00
$776.00 - $2,093.00
$776.00 - $2,093.00
$776.00
Chroma 3nm OIII Filter Optimized for f/2.8-f/3.6 (27066) - Astronomy Plus
$776.00 - $2,093.00
$776.00 - $2,093.00
$776.00 - $2,093.00
$776.00

Chroma 3nm OIII Filter Optimized for f/2.8-f/3.6 (27066)

Chroma 3nm OIII Filter Optimized for f/2.8-f/3.6 Chroma’s OIII filters isolate the 500.7nm primary emission line of doubly ionized oxygen. After H...

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$776.00 - $2,093.00
$776.00 - $2,093.00
$776.00 - $2,093.00
$776.00
Chroma 3nm H-Alpha Filter Optimized for f/2.8-f/3.6 (27065) - Astronomy Plus
$776.00 - $2,093.00
$776.00 - $2,093.00
$776.00 - $2,093.00
$776.00

Chroma 3nm H-Alpha Filter Optimized for f/2.8-f/3.6 (27065)

Chroma 3nm H-Alpha Filter Optimized for f/2.8-f/3.6 H-alpha filters are essential for imaging nebulae and other objects which are rich in ionized h...

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$776.00 - $2,093.00
$776.00 - $2,093.00
$776.00 - $2,093.00
$776.00
Askar 5nm Color Magic SHO Narrowband 2" Filters Set - Astronomy Plus
Askar 5nm Color Magic SHO Narrowband 2" Filters Set - Astronomy Plus
$392.35 - $1,177.05
$392.35 - $1,177.05
$392.35 - $1,177.05
$392.35

Askar 5nm Color Magic SHO Narrowband 2" Filters Set

Askar Color Magic SHO Narrowband 5nm Filters Set For all astrophotography enthusiasts, filter is one of the indispensable accessories to achieve a ...

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$392.35 - $1,177.05
$392.35 - $1,177.05
$392.35 - $1,177.05
$392.35
Askar SII / Ha / OIII Narrowband 7nm filters - Astronomy Plus
Askar SII / Ha / OIII Narrowband 7nm filters - Astronomy Plus
$198.17 - $1,008.00
$198.17 - $1,008.00
$198.17 - $1,008.00
$198.17

Askar SII / Ha / OIII Narrowband 7nm filters

Askar SII / Ha / OIII Narrowband 7nm filters SII Filter The Askar S II 7nm filter is suitable for imaging of S II emitting nebulae or some supernov...

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$198.17 - $1,008.00
$198.17 - $1,008.00
$198.17 - $1,008.00
$198.17
Askar LRGB filters - Astronomy Plus
$251.37 - $437.57
$251.37 - $437.57
$251.37 - $437.57
$251.37

Askar LRGB filters

Askar LRGB Filters The Askar LRGB imaging filter set is designed for those imagers who possess a monochrome camera that use either CCD or CMOS sen...

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$251.37 - $437.57
$251.37 - $437.57
$251.37 - $437.57
$251.37
ADM D Series Universal 100mm Adjustable Ring Set (DUPR100) - Astronomy Plus
ADM D Series Universal 100mm Adjustable Ring Set (DUPR100) - Astronomy Plus
$185.00 - $185.00
$185.00
$185.00 - $185.00
$185.00

ADM D Series Universal 100mm Adjustable Ring Set (DUPR100)

ADM D Series Single 100mm Adjustable Ring Set The ADM D Series Universal 100mm Adjustable Ring Set fits D Series saddles. Includes two 100mm (ID) a...

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$185.00 - $185.00
$185.00
$185.00 - $185.00
$185.00
Tele Vue Bandmate H-Beta Filter - Astronomy Plus
Tele Vue Bandmate H-Beta Filter - Astronomy Plus
$166.25 - $301.91
$166.25 - $301.91
$166.25 - $301.91
$166.25

Tele Vue Bandmate H-Beta Filter

Tele Vue Bandmate H-Beta Filter The Tele Vue Bandmate H-Beta Filter passes the aqua colored hydrogen-beta emission lines found in the Horsehead, Ca...

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$166.25 - $301.91
$166.25 - $301.91
$166.25 - $301.91
$166.25
Pegasus Astro Photographic Filter - SII 2'' mounted Filter (PEG-FLTR-2M-S2) - Astronomy Plus
$350.00 - $350.00
$350.00
$350.00 - $350.00
$350.00

Pegasus Astro Photographic Filter - SII 2'' mounted Filter (PEG-FLTR-2M-S2)

Pegasus Astro Photographic Filter - S2 2'' Mounted Photographic Filter Sulfur II (SII) filters are a narrow-band-filters for CCD/CMOS photography....

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$350.00 - $350.00
$350.00
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$350.00
Pegasus Astro Photographic Filter - OIII 2'' Mounted Filter (PEG-FLTR-2M-O3) - Astronomy Plus
$350.00 - $350.00
$350.00
$350.00 - $350.00
$350.00

Pegasus Astro Photographic Filter - OIII 2'' Mounted Filter (PEG-FLTR-2M-O3)

Pegasus Astro Photographic Filter - OIII 2'' Mounted Filter The Oxygen III (OIII) CCD 7nm filter is designed for nebula observation allowing 7nm b...

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$350.00 - $350.00
$350.00
$350.00 - $350.00
$350.00
Pegasus Astro Photographic Filter - Ha 2'' Mounted Filter (PEG-FLTR-2M-Ha) - Astronomy Plus
$350.00 - $350.00
$350.00
$350.00 - $350.00
$350.00

Pegasus Astro Photographic Filter - Ha 2'' Mounted Filter (PEG-FLTR-2M-Ha)

Pegasus Astro Photographic Filter - Ha 2'' Mounted Filter This narrowband filter has a 7nm bandwidth of light centered on a wavelength of 656nm th...

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$350.00 - $350.00
$350.00
$350.00 - $350.00
$350.00
Pegasus Astro LRGB Photographic Filter Set - 2" Mounted (PEG-FLTR-2M-LRGB) - Astronomy Plus
Pegasus Astro LRGB Photographic Filter Set - 2" Mounted (PEG-FLTR-2M-LRGB) - Astronomy Plus
$120.00 - $479.00
$120.00 - $479.00
$120.00 - $479.00
$120.00

Pegasus Astro LRGB Photographic Filter Set - 2" Mounted (PEG-FLTR-2M-LRGB)

Pegasus Astro LRGB Photographic Filter Parfocal LRGB Filters Broadband filters are parfocal which ensures that you will not have to refocus when yo...

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$120.00 - $479.00
$120.00 - $479.00
$120.00 - $479.00
$120.00
Optolong SII 6.5nm Imaging Narrowband Filter - Astronomy Plus
Save up to $61.80 Save $0.00
$215.00 - $309.00
$215.00 - $309.00
$215.00
$172.00 - $247.20
$172.00 - $247.20
$172.00

Optolong SII 6.5nm Imaging Narrowband Filter

Optolong SII 6.5nm Imaging Narrowband Filter Optolongimproved narrowband SII6.5nm filter (Sulful II for CCD) is designed for nebula observation all...

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$215.00 - $309.00
$215.00 - $309.00
$215.00
$172.00 - $247.20
$172.00 - $247.20
$172.00
Save up to $61.80 Save $0.00
Optolong SHO 3nm Narrowband Filters Kit - Astronomy Plus
Optolong SHO 3nm Narrowband Filters Kit - Astronomy Plus
Save up to $291.42 Save $0.00
$1,296.00 - $1,619.00
$1,296.00 - $1,619.00
$1,296.00
$1,062.72 - $1,327.58
$1,062.72 - $1,327.58
$1,062.72

Optolong SHO 3nm Narrowband Filters Kit

Optolong SHO 3nm Narrowband Filters Kit Optolong SHO-3nm Narrowband Filters Introduction Optolong SHO-3nm filter kit includes SII 3nm, H-Alpha 3nm,...

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$1,296.00 - $1,619.00
$1,296.00 - $1,619.00
$1,296.00
$1,062.72 - $1,327.58
$1,062.72 - $1,327.58
$1,062.72
Save up to $291.42 Save $0.00
Optolong Night Sky H-Alpha filter (IR-Pass 650nm) - Astronomy Plus
Save up to $32.20 Save $0.00
$107.00 - $161.00
$107.00 - $161.00
$107.00
$85.60 - $128.80
$85.60 - $128.80
$85.60

Optolong Night Sky H-Alpha filter (IR-Pass 650nm)

Optolong Night Sky H-Alpha filter Night Sky H-Alpha filter (IR Pass 650nm) with 50% transition from blocking to passing at about 640nm and 95% or a...

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$107.00 - $161.00
$107.00 - $161.00
$107.00
$85.60 - $128.80
$85.60 - $128.80
$85.60
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Optolong Narrowband H-Beta filter - Astronomy Plus
Save up to $37.60 Save $0.00
$120.00 - $188.00
$120.00 - $188.00
$120.00
$96.00 - $150.40
$96.00 - $150.40
$96.00

Optolong Narrowband H-Beta filter

Optolong Narrowband H-Beta filter Opotlong narrowband H-beta filter is designed for nebula observation allowing 12nm bandwidth of light centered on...

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$120.00 - $188.00
$120.00 - $188.00
$120.00
$96.00 - $150.40
$96.00 - $150.40
$96.00
Save up to $37.60 Save $0.00
Optolong LRGB Filter Set - Astronomy Plus
Save up to $97.00 Save $0.00
$309.00 - $485.00
$309.00 - $485.00
$309.00
$247.20 - $388.00
$247.20 - $388.00
$247.20

Optolong LRGB Filter Set

Optolong LRGB Filter Set The Optolong LRGB Filter Set is designed for maximum contrast and with extremely high gradients for clear differentiation ...

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$309.00 - $485.00
$309.00 - $485.00
$309.00
$247.20 - $388.00
$247.20 - $388.00
$247.20
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Optolong IR Pass685 Planetary Filter - Astronomy Plus
Save up to $31.00 Save $0.00
$107.00 - $155.00
$107.00 - $155.00
$107.00
$85.60 - $124.00
$85.60 - $124.00
$85.60

Optolong IR Pass685 Planetary Filter

Optolong IR Pass685 Planetary Filter Optolong IR Pass 685nm filter is designed to block wavelengths below 670nm and can be used in IR-LRGB imaging ...

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$107.00 - $155.00
$107.00 - $155.00
$107.00
$85.60 - $124.00
$85.60 - $124.00
$85.60
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Optolong Improved OIII 6.5nm Narrowband Filter - Astronomy Plus
Save up to $61.80 Save $0.00
$215.00 - $309.00
$215.00 - $309.00
$215.00
$172.00 - $247.20
$172.00 - $247.20
$172.00

Optolong Improved OIII 6.5nm Narrowband Filter

Optolong Improved OIII 6.5nm Narrowband Filter Optolong improved extra Narrowband OIII-CCD 6.5nm filter is designed for nebula observation allowing...

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$215.00 - $309.00
$215.00 - $309.00
$215.00
$172.00 - $247.20
$172.00 - $247.20
$172.00
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Optolong Improved NB Filters SHO 6.5nm Narrowband Filter Kit - Astronomy Plus
$600.00 - $940.00
$600.00 - $940.00
$600.00 - $940.00
$600.00

Optolong Improved NB Filters SHO 6.5nm Narrowband Filter Kit

Optolong NB Filters SHO 6.5nm Narrowband Filter Kit Optolong SHO6.5nm filter kit includes SII6.5nm, H-Alpha7nm, and OIII6.5nm narrow-band filters, ...

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$600.00 - $940.00
$600.00 - $940.00
$600.00 - $940.00
$600.00
Optolong H-Alpha 7nm Narrowband Filter - Astronomy Plus
Save up to $61.80 Save $0.00
$215.00 - $309.00
$215.00 - $309.00
$215.00
$172.00 - $247.20
$172.00 - $247.20
$172.00

Optolong H-Alpha 7nm Narrowband Filter

Optolong H-Alpha 7nm Narrowband Filter Optolong improved version of H-Alpha 7nm filter is the popular narrowband filter allowing 7nm bandwidth of l...

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$215.00 - $309.00
$215.00 - $309.00
$215.00
$172.00 - $247.20
$172.00 - $247.20
$172.00
Save up to $61.80 Save $0.00
Optolong CLS-CCD(City Light Suppression) Broadband Filter - Astronomy Plus
Save up to $43.00 Save $0.00
$128.00 - $215.00
$128.00 - $215.00
$128.00
$102.40 - $172.00
$102.40 - $172.00
$102.40

Optolong CLS-CCD(City Light Suppression) Broadband Filter

Optolong CLS CCD (City Light Suppression) Broadband Filter The CLS (City Light Suppression) broadband filter is designed to improve the visibility ...

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$128.00 - $215.00
$128.00 - $215.00
$128.00
$102.40 - $172.00
$102.40 - $172.00
$102.40
Save up to $43.00 Save $0.00
Optolong Clear Sky Filter Screw on Lens - Astronomy Plus
Save up to $55.40 Save $0.00
$223.00 - $277.00
$223.00 - $277.00
$223.00
$178.40 - $221.60
$178.40 - $221.60
$178.40

Optolong Clear Sky Filter Screw on Lens

Optolong Clear Sky Filter Screw on Lens 1. Optolong Clear Sky Filter Introduction A screw on filter with the easiest installation way like UV fi...

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$223.00 - $277.00
$223.00 - $277.00
$223.00
$178.40 - $221.60
$178.40 - $221.60
$178.40
Save up to $55.40 Save $0.00
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