Skip to content
Enjoy Free Shipping on Orders Over $500 + Same-Day Dispatch (Before 3 PM*) *Some exclusions apply
Enjoy Free Shipping on Orders Over $500 + Same-Day Dispatch (Before 3 PM*) *Some exclusions apply

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
$
$
Chroma 3nm H-Alpha Filter - Astronomy Plus
Chroma 3nm H-Alpha Filter - Astronomy Plus
$805.00 - $2,170.00
$805.00 - $2,170.00
$805.00 - $2,170.00
$805.00

Chroma 3nm H-Alpha Filter

Chroma

Chroma 3nm H-alpha Filter The Chroma 3nm H-alpha Filter is essential for imaging nebulae and other objects which are rich in ionized hydrogen. At 6...

View full details
$805.00 - $2,170.00
$805.00 - $2,170.00
$805.00 - $2,170.00
$805.00
Antlia 2.5nm SHO Ultra Narrowband Filters 2'' Mounted - Astronomy Plus Save up to $125.55 Save $0.00
$660.00 - $2,511.00
$660.00 - $2,511.00
$660.00
$627.00 - $2,385.45
$627.00 - $2,385.45
$627.00

Antlia 2.5nm SHO Ultra Narrowband Filters 2’’ & 36mm

Antlia

Antlia 2.5nm SHO Ultra Filter 2’’ & 36mm The Antlia SHO 2.5nm Ultra series filters are made with quartz glass and undergo precisely controlled ...

View full details
$660.00 - $2,511.00
$660.00 - $2,511.00
$660.00
$627.00 - $2,385.45
$627.00 - $2,385.45
$627.00
Save up to $125.55 Save $0.00
Antlia IR Pass 685nm Planetary 1.25" Filter - Astronomy Plus Save $2.75 Save $0.00
$55.00
$55.00 - $55.00
$55.00
$52.25
$52.25 - $52.25
$52.25

Antlia IR Pass 685nm Planetary 1.25" Filter

Antlia

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 ...

View full details
$55.00
$55.00 - $55.00
$55.00
$52.25
$52.25 - $52.25
$52.25
Save $2.75 Save $0.00
Antlia H-beta and OIII Filter 1.25″ - Astronomy Plus
Antlia H-beta and OIII Filter 1.25″ - Astronomy Plus Save $7.00 Save $0.00
$140.00
$140.00 - $140.00
$140.00
$133.00
$133.00 - $133.00
$133.00

Antlia H-beta and OIII Filter 1.25″

Antlia

Antlia H-beta and OIII Filter – 1.25″ Antlia HB-OIII filter is engineered specifically for night visual nebulae observation at a high contrast and ...

View full details
$140.00
$140.00 - $140.00
$140.00
$133.00
$133.00 - $133.00
$133.00
Save $7.00 Save $0.00
IDAS LPS-D3 filter (Replaced by LPS-C1) - Astronomy Plus
$245.00 - $347.00
$245.00 - $347.00
$245.00 - $347.00
$245.00

IDAS NGS1 / LPS-D3 filter

IDAS

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...

View full details
$245.00 - $347.00
$245.00 - $347.00
$245.00 - $347.00
$245.00
Chroma 3nm SII Filter - Astronomy Plus
Chroma 3nm SII Filter - Astronomy Plus
$805.00 - $2,170.00
$805.00 - $2,170.00
$805.00 - $2,170.00
$805.00

Chroma 3nm SII Filter

Chroma

Chroma 3nm SII Filter The Chroma 3nm SII Filter isolates the spectral emission of singly ionized sulfur atoms, also common in nebulae. Emission is ...

View full details
$805.00 - $2,170.00
$805.00 - $2,170.00
$805.00 - $2,170.00
$805.00
Celestron H-alpha H-beta OIII imaging filter, RASA 8 (93619) - Astronomy Plus
Celestron H-alpha H-beta OIII imaging filter, RASA 8 (93619) - Astronomy Plus
$461.00 - $461.00
$461.00
$461.00 - $461.00
$461.00

Celestron H-alpha H-beta OIII imaging filter, RASA 8 (93619)

Celestron

Celestron H-alpha H-beta OIII imaging filter, RASA 8 Bring out the best in your nebulae astroimages with the H-alpha H-beta OIII (Hα-Hβ-OIII) Imagi...

View full details
$461.00 - $461.00
$461.00
$461.00 - $461.00
$461.00
Antares 1.25" Variable Neutral Density Filter 3-40% (FXP) - Astronomy Plus
$42.00 - $42.00
$42.00
$42.00 - $42.00
$42.00

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

Antares

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

View full details
$42.00 - $42.00
$42.00
$42.00 - $42.00
$42.00
$53.00 - $134.00
$53.00 - $134.00
$53.00 - $134.00
$53.00

Baader AstroSolar Photo Film OD 3.8

Baader Planetarium

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

View full details
$53.00 - $134.00
$53.00 - $134.00
$53.00 - $134.00
$53.00
ZWO IR 850nm Pass Filter 1.25" (850IR125) - Astronomy Plus
$31.00 - $31.00
$31.00
$31.00 - $31.00
$31.00

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

ZWO

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...

View full details
$31.00 - $31.00
$31.00
$31.00 - $31.00
$31.00
ZWO H-alpha, OIII & SII 7nm Narrowband SHO Filters - Astronomy Plus
ZWO H-alpha, OIII & SII 7nm Narrowband SHO Filters - Astronomy Plus
$181.00 - $979.00
$181.00 - $979.00
$181.00 - $979.00
$181.00

ZWO 7nm Narrowband SHO Filters (Ha, OIII & SII)

ZWO

ZWO 7nm SHO Narrowband Filters (Ha, OIII & SII) The ZWO SHO Narrowband Filter Set contains one H-alpha, one OIII and one SII filter. Use it for...

View full details
$181.00 - $979.00
$181.00 - $979.00
$181.00 - $979.00
$181.00
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
$76.00 - $76.00
$76.00
$76.00 - $76.00
$76.00

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

William Optics

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

View full details
$76.00 - $76.00
$76.00
$76.00 - $76.00
$76.00
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
Save up to $47.00 Save $0.00
$470.00
$118.00 - $470.00
$470.00
$118.00 - $423.00
$118.00 - $423.00
$118.00

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

Pegasus

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

View full details
$470.00
$118.00 - $470.00
$470.00
$118.00 - $423.00
$118.00 - $423.00
$118.00
Save up to $47.00 Save $0.00
Chroma LRGB Filter Set - Astronomy Plus
$735.00 - $2,695.00
$735.00 - $2,695.00
$735.00 - $2,695.00
$735.00

Chroma LRGB Filter Set

Chroma

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

View full details
$735.00 - $2,695.00
$735.00 - $2,695.00
$735.00 - $2,695.00
$735.00
SVBony SV220 3nm Narrowband Filter Ha & OIII Svbony
$167.00 - $347.00
$167.00 - $347.00
$167.00 - $347.00
$167.00

SVBony SV220 3nm Narrowband Filter Ha & OIII

Svbony

Narrowband Filter 3nm H-Alpha & Oiii SV220 Ultra-narrow 3nm (H-Alpha & OIII) bandwidth, ideal for photographing emission and planetary neb...

View full details
$167.00 - $347.00
$167.00 - $347.00
$167.00 - $347.00
$167.00
Astronomy Plus Neutral Density 1.25" Filter Set (TA191) Astronomy Plus
Astronomy Plus Neutral Density 1.25" Filter Set (TA191) Astronomy Plus
$55.00 - $55.00
$55.00
$55.00 - $55.00
$55.00

Astronomy Plus Neutral Density 1.25" Filter Set (TA191)

Astronomy Plus

Astronomy Plus Neutral Density 1.25" Filter Set Neutral density filters are an essential tool for astronomers and astrophotographers, especially wh...

View full details
$55.00 - $55.00
$55.00
$55.00 - $55.00
$55.00
Antlia ALP-T Dual Band SII & Hb 3.5nm 2'' Filter Antlia
Antlia ALP-T Dual Band SII & Hb 3.5nm 2'' Filter Antlia
Save $25.55 Save $0.00
$511.00
$511.00 - $511.00
$511.00
$485.45
$485.45 - $485.45
$485.45

Antlia ALP-T Dual Band SII & Hb 3.5nm 2" Filter

Antlia

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...

View full details
$511.00
$511.00 - $511.00
$511.00
$485.45
$485.45 - $485.45
$485.45
Save $25.55 Save $0.00
Antlia U-Venus Imaging Filter - 1.25'' (UVENUS) Antlia
Save $14.10 Save $0.00
$282.00
$282.00 - $282.00
$282.00
$267.90
$267.90 - $267.90
$267.90

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

Antlia

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...

View full details
$282.00
$282.00 - $282.00
$282.00
$267.90
$267.90 - $267.90
$267.90
Save $14.10 Save $0.00
Antlia LRGBR+ Dark series filters - Astronomy Plus
Antlia LRGBR+ Dark series filters - Astronomy Plus
Save up to $53.25 Save $0.00
$85.00 - $1,065.00
$85.00 - $1,065.00
$85.00
$80.75 - $1,011.75
$80.75 - $1,011.75
$80.75

Antlia LRGBR+ Dark series filters

Antlia

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

View full details
$85.00 - $1,065.00
$85.00 - $1,065.00
$85.00
$80.75 - $1,011.75
$80.75 - $1,011.75
$80.75
Save up to $53.25 Save $0.00
Antlia IR Pass 850nm Planetary 1.25" Filter - Astronomy Plus
Save $2.75 Save $0.00
$55.00
$55.00 - $55.00
$55.00
$52.25
$52.25 - $52.25
$52.25

Antlia IR Pass 850nm Planetary 1.25" Filter

Antlia

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 ...

View full details
$55.00
$55.00 - $55.00
$55.00
$52.25
$52.25 - $52.25
$52.25
Save $2.75 Save $0.00
Optolong Moon & Skyglow Filter - Astronomy Plus
$44.00 - $67.00
$44.00 - $67.00
$44.00 - $67.00
$44.00

Optolong Moon & Skyglow Filter

Optolong

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

View full details
$44.00 - $67.00
$44.00 - $67.00
$44.00 - $67.00
$44.00
Optolong IR Pass685 Planetary Filter - Astronomy Plus
$110.00 - $160.00
$110.00 - $160.00
$110.00 - $160.00
$110.00

Optolong IR Pass685 Planetary Filter

Optolong

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 ...

View full details
$110.00 - $160.00
$110.00 - $160.00
$110.00 - $160.00
$110.00
Daystar Combo Quark Chromosphere H-alpha Filter (DSZCC) - Astronomy Plus
Daystar Combo Quark Chromosphere H-alpha Filter (DSZCC) - Astronomy Plus
Save $149.00 Save $0.00
$1,799.00
$1,799.00 - $1,799.00
$1,799.00
$1,650.00
$1,650.00 - $1,650.00
$1,650.00

Daystar Combo Quark Chromosphere H-alpha Filter (DSZCC)

Daystar

Daystar Combo Quark Chromosphere H-alpha Filter The Daystar Combo Quark Chromosphere H-alpha Filter marries high quality components of adapters, sn...

View full details
$1,799.00
$1,799.00 - $1,799.00
$1,799.00
$1,650.00
$1,650.00 - $1,650.00
$1,650.00
Save $149.00 Save $0.00
Baader Clearglass Filter (C) for focusing/dust protection - Astronomy Plus
Baader Clearglass Filter (C) for focusing/dust protection - Astronomy Plus
$63.00 - $152.00
$63.00 - $152.00
$63.00 - $152.00
$63.00

Baader Clearglass Filter (C) for focusing/Dust Protection

Baader Planetarium

Baader Clearglass Filter (C) for focusing/Dust Protection Baader Premium grade impermeable RGB-C Clearglass Filters. The Baader clear glass filte...

View full details
$63.00 - $152.00
$63.00 - $152.00
$63.00 - $152.00
$63.00
Astronomik CLS-CCD filter - Astronomy Plus
Astronomik CLS-CCD filter - Astronomy Plus
$135.00 - $720.00
$135.00 - $720.00
$135.00 - $720.00
$135.00

Astronomik CLS-CCD filter

Astronomik

Astronomik CLS-CCD filter The Astronomik CLS CCD is suitable under light-polluted skies for DSLR Cameras, which have been remodeled for astronomica...

View full details
$135.00 - $720.00
$135.00 - $720.00
$135.00 - $720.00
$135.00
$139.00 - $559.00
$139.00 - $559.00
$139.00 - $559.00
$139.00

QHY Minicam8 Filter Sets

QHYCCD

QHY Minicam8 Filter Sets The miniCAM8 IMX585 filter kits are purpose-built all-in-one solutions designed for seamless integration with the camera’s...

View full details
$139.00 - $559.00
$139.00 - $559.00
$139.00 - $559.00
$139.00
$181.00 - $335.00
$181.00 - $335.00
$181.00 - $335.00
$181.00

Touptek LRGB Filters for Astrophotography

Touptek

Touptek LRGB Filters for Astrophotography Designed to overcome light pollution, the ToupTek Astro LRGB filter set empowers astrophotographers to re...

View full details
$181.00 - $335.00
$181.00 - $335.00
$181.00 - $335.00
$181.00
Sightron IR640 Pro II IR Pass Filter Sightron Japan
$97.00 - $111.00
$97.00 - $111.00
$97.00 - $111.00
$97.00

Sightron IR640 Pro II IR Pass Filter

Sightron Japan

Sightron IR640 Pro II IR Pass Filter  Japanese-made IR-pass filter. Fully blocking below 640nm.  Steep cut-off line & high transmission rate.  ...

View full details
$97.00 - $111.00
$97.00 - $111.00
$97.00 - $111.00
$97.00
Antlia ALP-T Dual Band SII & OIII 3nm 2" Filter Antlia
Save $27.70 Save $0.00
$554.00
$554.00 - $554.00
$554.00
$526.30
$526.30 - $526.30
$526.30

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

Antlia

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

View full details
$554.00
$554.00 - $554.00
$554.00
$526.30
$526.30 - $526.30
$526.30
Save $27.70 Save $0.00
$419.00 - $419.00
$419.00
$419.00 - $419.00
$419.00

Daystar Combo Quark 2.8X Telecentric Barlow (CC28B)

Daystar

Daystar Combo Quark 2.8X Telecentric Barlow This  brand new QUARK optimized accessories is designed to fit our classic Combo Quark Hydrogen Alpha F...

View full details
$419.00 - $419.00
$419.00
$419.00 - $419.00
$419.00
$419.00 - $419.00
$419.00
$419.00 - $419.00
$419.00

Daystar Combo Quark 4.3X Telecentric Barlow (CC43B)

Daystar

Daystar Combo Quark 4.3X Telecentric Barlow This  brand new QUARK optimized accessories is designed to fit our classic Combo Quark Hydrogen Alpha F...

View full details
$419.00 - $419.00
$419.00
$419.00 - $419.00
$419.00
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
Save $24.05 Save $0.00
$481.00
$481.00 - $481.00
$481.00
$456.95
$456.95 - $456.95
$456.95

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

Antlia

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

View full details
$481.00
$481.00 - $481.00
$481.00
$456.95
$456.95 - $456.95
$456.95
Save $24.05 Save $0.00
Askar Color Magic 3nm Deep-Sky Narrowband filter - Astronomy Plus
Save $235.00 Save $0.00
$735.00
$735.00 - $735.00
$735.00
$500.00
$500.00 - $500.00
$500.00

Askar Color Magic 3nm Duo-Narrowband Filter (CM-3nm)

Askar

Askar Color Magic 3nm Duo-Narrowband Filter For all astrophotography enthusiasts, filters are one of the indispensable accessories to achieve perfe...

View full details
$735.00
$735.00 - $735.00
$735.00
$500.00
$500.00 - $500.00
$500.00
Save $235.00 Save $0.00
Antlia CaK 3nm 393.3nm filter - 1.25'' Mounted (CAK-1.25) - Astronomy Plus
Save $17.00 Save $0.00
$340.00
$340.00 - $340.00
$340.00
$323.00
$323.00 - $323.00
$323.00

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

Antlia

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...

View full details
$340.00
$340.00 - $340.00
$340.00
$323.00
$323.00 - $323.00
$323.00
Save $17.00 Save $0.00
ZWO Methane CH4 Filter 1.25" (CH4) - Astronomy Plus
ZWO Methane CH4 Filter 1.25" (CH4) - Astronomy Plus
$139.00 - $139.00
$139.00
$139.00 - $139.00
$139.00

ZWO Methane CH4 Filter 1.25" (CH4)

ZWO

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...

View full details
$139.00 - $139.00
$139.00
$139.00 - $139.00
$139.00
Tele Vue Bandmate OIII Filter - Astronomy Plus
Tele Vue Bandmate OIII Filter - Astronomy Plus
$200.00 - $364.00
$200.00 - $364.00
$200.00 - $364.00
$200.00

Tele Vue Bandmate OIII Filter

Tele Vue

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...

View full details
$200.00 - $364.00
$200.00 - $364.00
$200.00 - $364.00
$200.00
Sign Up to Astronomy Plus Newsletters

Subscribe to our Newsletter to be the first to be inform about Promotions, New Products and More!

Free Shipping

in Canada over 500$+* bf txs

Buy Now, Pay Later

Paybright and Sezzle at Check Out

Target the Right Equipment

Contact us!

Price Match

Find a Better Price? We Will Match it!

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare