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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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$932.00
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$885.40
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$885.40

Antlia ALP-T Dual Band Ha&OIII 3nm + SII&Hb 3.5nm 2" Filter Set

Antlia ALP-T Dual Band Ha&OIII 3nm + SII&Hb 3.5nm 2" Filter Set Ha&OIII 3nm The Antlia ALP-T Dualband 3nm Ha&OIII Filter is a dual ...

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$513.00
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$513.00
$487.35
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$487.35

Antlia ALP-T Dual Band Ha & OIII 3nm 2" Filter

Antlia ALP-T Dualband 3nm Ha + OIII 2'' Filters The Antlia ALP-T Dualband 3nm Ha&OIII Filter is a dual narrowband filter, which lets the red H-...

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$513.00
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$513.00
$487.35
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$487.35
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$53.00 - $134.00
$53.00 - $134.00
$53.00 - $134.00
$53.00

Baader AstroSolar Photo Film OD 3.8

Baader AstroSolar Photo Film OD 3.8 AstroSolar Photo Film (imaging only), telescope quality, Optical Density OD = 3.8 Digital solar imaging at hig...

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$53.00 - $134.00
$53.00 - $134.00
$53.00 - $134.00
$53.00
Antlia 2.5nm SHO Ultra Narrowband Filters 2'' Mounted - Astronomy Plus Save up to $119.50 Save $0.00
$628.00 - $2,390.00
$628.00 - $2,390.00
$628.00
$596.60 - $2,270.50
$596.60 - $2,270.50
$596.60

Antlia 2.5nm SHO Ultra Narrowband Filters 2" Mounted

Antlia 2.5nm SHO Ultra Filter 2" Mounted The Antlia SHO 2.5nm Ultra series filters are made with quartz glass and undergo precisely controlled coat...

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$628.00 - $2,390.00
$628.00 - $2,390.00
$628.00
$596.60 - $2,270.50
$596.60 - $2,270.50
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SVBONY SV183 IR Pass 685nm Filter for Planetary Photography (W9142) - Astronomy Plus
SVBONY SV183 IR Pass 685nm Filter for Planetary Photography (W9142) - Astronomy Plus
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$33.75 - $54.00
$33.75 - $54.00
$33.75
$28.68 - $45.90
$28.68 - $45.90
$28.68

SVBONY SV183 IR Pass 685nm Filter for Planetary Photography (W9142)

SVBONY SV183 IR Pass 685nm Filter for Planetary Photography SV183 IR pass filter; Sufficient reduction of seeing effects; heightened contrast; The...

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$33.75 - $54.00
$33.75 - $54.00
$33.75
$28.68 - $45.90
$28.68 - $45.90
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Player One IR685nm 1.25″ IR-Pass Filter S-series (IR685) - Astronomy Plus
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$39.00
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$39.00
$30.00
$30.00 - $30.00
$30.00

Player One IR685nm 1.25″ IR-Pass Filter S-series (IR685)

Player One IR685nm 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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Antlia IR Pass 685nm Planetary 1.25" Filter - Astronomy Plus
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$51.00
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$51.00
$48.45
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$48.45

Antlia IR Pass 685nm Planetary 1.25" Filter

Antlia IR Pass 685nm planetary 1.25" filter The Antlia IR Pass 685nm filter is an absorptive filter that allows infrared light with wavelengths of ...

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$51.00
$48.45
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$48.45
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ZWO IR 850nm Pass Filter 1.25" (850IR125) - Astronomy Plus
$30.00 - $30.00
$30.00
$30.00 - $30.00
$30.00

ZWO IR 850nm Pass Filter 1.25" (850IR125)

ZWO IR 850nm Pass Filter 1.25" The ZWO IR 850nm Pass Filter 1.25″ suitable for IR sensitive cameras. The transmission properties of the IR 850nm Pa...

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$30.00 - $30.00
$30.00
$30.00 - $30.00
$30.00
ZWO H-alpha, OIII & SII 7nm Narrowband SHO Filters - Astronomy Plus
ZWO H-alpha, OIII & SII 7nm Narrowband SHO Filters - Astronomy Plus
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$174.00 - $944.00
$174.00 - $944.00
$174.00
$161.00 - $869.00
$161.00 - $869.00
$161.00

ZWO H-alpha, OIII & SII 7nm Narrowband SHO Filters

ZWO SHO Narrowband Filters The ZWO SHO Narrowband Filter Set contains one H-alpha, one OIII and one SII filter. Use it for tricolor CCD astrophotog...

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$174.00 - $944.00
$174.00 - $944.00
$174.00
$161.00 - $869.00
$161.00 - $869.00
$161.00
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Chroma LRGB Filter Set - Astronomy Plus
$709.00 - $2,599.00
$709.00 - $2,599.00
$709.00 - $2,599.00
$709.00

Chroma LRGB Filter Set

Chroma LRGB Filter Set Chroma LRGB Filter Set includes four individual filters: luminance, red, green and blue. They are available in multiple size...

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$709.00 - $2,599.00
$709.00 - $2,599.00
$709.00 - $2,599.00
$709.00
Antares 1.25" Variable Neutral Density Filter 3-40% (FXP) - Astronomy Plus
$41.00 - $41.00
$41.00
$41.00 - $41.00
$41.00

Antares 1.25" Variable Neutral Density Filter 3-40% (FXP)

Antares 1.25" Variable Neutral Density Filter 3-40% Neutral density filters can reduce brightness across the visual spectrum without losing resolut...

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$41.00 - $41.00
$41.00
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$41.00
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$472.00
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$472.00
$448.40
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$448.40

Antlia ALP-T Dual Band SII & Hb 3.5nm 2'' Filter

Antlia ALP-T Dual band 3.5nm SII&Hb 2'' Filter Product Details The ALP-T dual band 3.5nm SII&Hb filter is a dual narrowband filter, w...

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$472.00
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$472.00
$448.40
$448.40 - $448.40
$448.40
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$179.00
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$179.00
$142.00
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$142.00

Player One CH4 8nm 1.25″ Filter E-series (CH4-125E)

Player One CH4 8nm 1.25″ Filter E-series Player One E-series is an upgrade series of S-series, using high quality optical glass substrate and multi...

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$179.00
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$179.00
$142.00
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$142.00
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$124.00
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$96.00
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$96.00

Player One ERF 2″ Filter S-series for Quark Chromosphere (ERF2)

Player One ERF 2″ Filter S-series for Quark Chromosphere Player One S series filter using high quality optical glass substrate and multi-layer comp...

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$124.00
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$124.00
$96.00
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$96.00
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Player One Anti-Halo PRO Dual-Band 2″ Ha+OIII filter - Astronomy Plus
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$695.00
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$695.00
$620.00
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$620.00

Player One Anti-Halo PRO Dual-Band 2″ Ha+OIII filter

Anti-Halo PRO Dual-Band 2″ Ha+OIII filter Anti-Halo PRO Dual-Band 2″ Ha+OIII filter Frame thickness: body 5mm+ thread 2.5mm, a total of 7.5mm F...

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$695.00
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$695.00
$620.00
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$620.00
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Optolong L-eXtreme F2 Fast Optics Dual Narrowband 2" (L-EXTREME-F2) - Astronomy Plus
Optolong L-eXtreme F2 Fast Optics Dual Narrowband 2" (L-EXTREME-F2) - Astronomy Plus
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$417.00
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$417.00
$354.45
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$354.45

Optolong L-eXtreme F2 Fast Optics Dual Narrowband 2" (L-EXTREME-F2)

Optolong L-eXtreme F2 Fast Optics Dual Narrowband 2" Optolong L-eXtreme F2 is a dual-band (500.7 nm and 656.28 nm, FWHM=7 nm) narrowband pass filt...

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$417.00
$354.45
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$354.45
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Antlia OIII 3nm Narrowband PRO 2" Filter-OPEN BOX - Astronomy Plus
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$460.00
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$460.00
$437.00
$437.00 - $437.00
$437.00

Antlia OIII 3nm Narrowband PRO 2" Filter-OPEN BOX

Antlia OIII 3nm Narrowband Pro Filters OPEN BOX, LIKE NEW Antlia SHO Pro narrowband filter optimizes the FWHM (full width half maximum) to 3nm band...

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$460.00
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$460.00
$437.00
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$437.00
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Antlia LRGBR+ Dark series filters - Astronomy Plus
Antlia LRGBR+ Dark series filters - Astronomy Plus
Save up to $45.90 Save $0.00
$81.00 - $918.00
$81.00 - $918.00
$81.00
$76.95 - $872.10
$76.95 - $872.10
$76.95

Antlia LRGBR+ Dark series filters

Antlia LRGBR+ Dark series filters The Antlia LRGBR+ Dark series filters are designed with a full spectrum curve from 390nm to 1000nm, making it...

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$81.00 - $918.00
$81.00 - $918.00
$81.00
$76.95 - $872.10
$76.95 - $872.10
$76.95
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SVBONY 1.25" SHO Filter Set H-Alpha OIII SII 7nm (F9169A-W9121A-W9122A) - Astronomy Plus
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$378.00
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$378.00
$321.30
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$321.30

SVBONY 1.25" SHO Filter Set H-Alpha OIII SII 7nm (F9169A-W9121A-W9122A)

SVBONY 1.25" SHO Filter Set H-Alpha OIII SII 7nm The SHO filter is highly transparent, allowing the emission spectrum of the nebula to collect as m...

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$378.00
$321.30
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$321.30
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Antlia Imaging Herschel Wedge with 35mm Prism and 1.25'' Cak 3nm Solar Filter - Astronomy Plus
Antlia Imaging Herschel Wedge with 35mm Prism and 1.25'' Cak 3nm Solar Filter - Astronomy Plus
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$451.00
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$451.00
$428.45
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$428.45

Antlia Imaging Herschel Wedge with 35mm Prism and 1.25'' Cak 3nm Solar Filter

Antlia Imaging Herschel Wedge with 35mm Prism and 1.25'' Cak 3nm Solar Filter The Antlia Solar Wedge (Herschel Wedge design) replaces the standard ...

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$451.00
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$451.00
$428.45
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$428.45
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Askar Color Magic 3nm Deep-Sky Narrowband filter - Astronomy Plus
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$735.00
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$735.00
$700.00
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$700.00

Askar Color Magic D 3nm Deep-Sky Narrowband filter

Askar Color Magic 3nm Deep-Sky Narrowband filter For all astrophotography enthusiasts, filters are one of the indispensable accessories to achieve ...

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$735.00
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$735.00
$700.00
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$700.00
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Antlia IR Pass 850nm Planetary 1.25" Filter - Astronomy Plus
Save $2.55 Save $0.00
$51.00
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$51.00
$48.45
$48.45 - $48.45
$48.45

Antlia IR Pass 850nm Planetary 1.25" Filter

Antlia IR Pass 850nm planetary 1.25" filter The Antlia IR Pass 850nm filter is an absorptive filter that allows infrared light with wavelengths of ...

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$51.00
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$51.00
$48.45
$48.45 - $48.45
$48.45
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Antlia CaK 3nm 393.3nm filter - 1.25'' Mounted (CAK-1.25) - Astronomy Plus
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$358.00
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$358.00
$340.10
$340.10 - $340.10
$340.10

Antlia CaK 3nm 393.3nm filter - 1.25'' Mounted (CAK-1.25)

Antlia CaK 3nm 393.3nm filter The Antlia Solar Wedge prism and internal CaK solar filter are made of heat resistant double-polished substrate. Antl...

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$358.00
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$358.00
$340.10
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$340.10
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ZWO Methane CH4 Filter 1.25" (CH4) - Astronomy Plus
ZWO Methane CH4 Filter 1.25" (CH4) - Astronomy Plus
$134.00 - $134.00
$134.00
$134.00 - $134.00
$134.00

ZWO Methane CH4 Filter 1.25" (CH4)

ZWO Methane CH4 Filter 1.25" The ZWO Methane CH4 Filter 1.25″ is a special filter for photographic use. Its FWHM is 20 nm which is suitable for mos...

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$134.00 - $134.00
$134.00
$134.00 - $134.00
$134.00
William Optics 48mm T mount for Sony E - Black (TM-SN-E-M48) - Astronomy Plus
William Optics 48mm T mount for Sony E - Black (TM-SN-E-M48) - Astronomy Plus
$61.00 - $61.00
$61.00
$61.00 - $61.00
$61.00

William Optics 48mm T mount for Sony E - Black (TM-SN-E-M48)

William Optics 48mm T mount for Sony E - Black In the Box William Optics 48mm T mount for Sony E - Black Warranty & Manuals William Optic...

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$61.00 - $61.00
$61.00
$61.00 - $61.00
$61.00
Tele Vue Bandmate OIII Filter - Astronomy Plus
Tele Vue Bandmate OIII Filter - Astronomy Plus
$166.00 - $302.00
$166.00 - $302.00
$166.00 - $302.00
$166.00

Tele Vue Bandmate OIII Filter

Tele Vue Bandmate OIII Filter The Tele Vue Bandmate OIII Filter passes light from doubly ionized oxygen atoms. As such, it is great for viewing pla...

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$166.00 - $302.00
$166.00 - $302.00
$166.00 - $302.00
$166.00
Optolong Moon & Skyglow Filter - Astronomy Plus
Save up to $13.00 Save $0.00
$43.00 - $65.00
$43.00 - $65.00
$43.00
$34.40 - $52.00
$34.40 - $52.00
$34.40

Optolong Moon & Skyglow Filter

Optolong Moon & Skyglow Filter Optolong Moon & Skyglow filter is designed to darken the background sky by blocking light transmission from ...

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$43.00 - $65.00
$43.00 - $65.00
$43.00
$34.40 - $52.00
$34.40 - $52.00
$34.40
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IDAS NB1 Nebula Booster Filter H-alpha, H-beta & OIII - Astronomy Plus
IDAS NB1 Nebula Booster Filter H-alpha, H-beta & OIII - Astronomy Plus
$236.00 - $335.00
$236.00 - $335.00
$236.00 - $335.00
$236.00

IDAS NB1 Nebula Booster Filter H-alpha, H-beta & OIII

IDAS NB1 Nebula Booster Filter H-alpha, H-beta & OIII The IDAS NB1 Nebula Booster Filter is a triple line-pass filter (H-alpha, H-beta & OI...

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$236.00 - $335.00
$236.00 - $335.00
$236.00 - $335.00
$236.00
IDAS LPS-D3 filter (Replaced by LPS-C1) - Astronomy Plus
$251.37 - $277.97
$251.37 - $277.97
$251.37 - $277.97
$251.37

IDAS NGS1 / LPS-D3 filter

IDAS NGS1 / LPS-D3 filter IDAS LPS-D3(formerly NGS1) filters enhance the contrast of astronomical emission nebulae against a sky with both man-made...

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$251.37 - $277.97
$251.37 - $277.97
$251.37 - $277.97
$251.37
Chroma 5nm H-alpha Filter - Astronomy Plus
Chroma 5nm H-alpha Filter - Astronomy Plus
$621.00 - $1,863.00
$621.00 - $1,863.00
$621.00 - $1,863.00
$621.00

Chroma 5nm H-alpha Filter

Chroma 5nm H-alpha Filter H-alpha filters are essential for imaging nebulae and other objects which are rich in ionized hydrogen. At 656.3nm, a na...

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$621.00 - $1,863.00
$621.00 - $1,863.00
$621.00 - $1,863.00
$621.00
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$206.00 - $416.00
$206.00 - $416.00
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$186.00 - $371.00
$186.00 - $371.00
$186.00

Player One LRGB Filter S-series

Player One LRGB Filter S-series Player One S-series filter using high quality optical glass substrate and multi-layer composite coating technology,...

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$206.00 - $416.00
$206.00 - $416.00
$206.00
$186.00 - $371.00
$186.00 - $371.00
$186.00
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$533.00
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$533.00
$506.35
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$506.35

Antlia H-Beta 3nm Narrowband Pro 2'' Filter (HB-PRO-2)

Antlia H-Beta 3nm Narrowband Pro 2'' Filter The Antlia H-Beta Pro narrowband filter optimizes the full width at half maximum (FWHM) to a 3nm ba...

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$533.00
$533.00 - $533.00
$533.00
$506.35
$506.35 - $506.35
$506.35
Save $26.65 Save $0.00
$112.00 - $226.00
$112.00 - $226.00
$112.00 - $226.00
$112.00

Baader C2 Swan-Band Filter (15nm) – OIII Parallel (FSWAN)

Baader C2 Swan-Band Filter (15nm) – OIII Parallel   Comet filter for the two brightest C2 emission lines at 511 and 514nm (called "Swan-Band") in ...

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$112.00 - $226.00
$112.00 - $226.00
$112.00 - $226.00
$112.00
$130.00 - $240.00
$130.00 - $240.00
$130.00 - $240.00
$130.00

Baader O-III Super-G Filter (9nm) - CMOS Optimized (FOIIISG)

Baader O-III Super-G Filter (9nm) - CMOS Optimized   O-III Super-G filter with 9 nm FWHM and a maximum transmission of 97%.For visual and photogra...

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$130.00 - $240.00
$130.00 - $240.00
$130.00 - $240.00
$130.00
Save $44.00 Save $0.00
$208.00
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$208.00
$164.00
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$164.00

Player One UVenus 1.25″ UV-PASS Filter E-series (UV125E)

Player One UVenus 1.25″ UV-PASS Filter E-series Player One E-series is an upgrade series of S-series, using high quality optical glass substrate an...

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$208.00
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$208.00
$164.00
$164.00 - $164.00
$164.00
Save $44.00 Save $0.00
Save up to $119.00 Save $0.00
$347.00 - $1,031.00
$347.00 - $1,031.00
$347.00
$304.00 - $912.00
$304.00 - $912.00
$304.00

Player One 7nm SHO Narrowband Filters 2"

Player One 7nm SHO Narrowband Filters 2" This is a New Product - Please note that further information will come soon.  Multilayer composite coating...

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$347.00 - $1,031.00
$347.00 - $1,031.00
$347.00
$304.00 - $912.00
$304.00 - $912.00
$304.00
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