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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

Filters

An astronomical filter is a telescope accessory consisting of an optical filter used by amateur astronomers to simply improve details and contrast.

Filters

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Seymour Threaded Hyperion Solar Film Camera Filters - Astronomy Plus
Seymour Threaded Hyperion Solar Film Camera Filters - Astronomy Plus
$108.00 - $182.00
$108.00 - $182.00
$108.00 - $182.00
$108.00

Seymour Threaded Hyperion Solar Film Camera Filters

Seymour Threaded Hyperion Solar Film Camera Filters If you want to capture stunning images of the sun and its features, you need a solar filter tha...

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$108.00 - $182.00
$108.00 - $182.00
$108.00 - $182.00
$108.00
Optolong L-eNhance Filter - Astronomy Plus
Optolong L-eNhance Filter - Astronomy Plus Save up to $63.00 Save $0.00
$242.00 - $350.00
$242.00 - $350.00
$242.00
$205.70 - $287.00
$205.70 - $287.00
$205.70

Optolong L-eNhance Duo Band Filter

Optolong L-eNhance Duo Band Filter The relentless spread or urbanization and its associated light pollution have become a growing problem for all a...

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$242.00 - $350.00
$242.00 - $350.00
$242.00
$205.70 - $287.00
$205.70 - $287.00
$205.70
Save up to $63.00 Save $0.00
Celestron EclipSmart Solar Filter for StarSense Explorer LT 80AZ Telescopes (94252) - Astronomy Plus
Celestron EclipSmart Solar Filter for StarSense Explorer LT 80AZ Telescopes (94252) - Astronomy Plus
$34.00 - $34.00
$34.00
$34.00 - $34.00
$34.00

Celestron EclipSmart Solar Filter for StarSense Explorer LT 80AZ Telescopes (94252)

Celestron EclipSmart Solar Filter for StarSense Explorer LT 80AZ Telescopes ISO-CERTIFIED SOLAR TELESCOPE FILTER: Certified to comply with the IS...

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$34.00 - $34.00
$34.00
$34.00 - $34.00
$34.00
SVBONY 1.25''/2'' EOS-C CLS Light Pollution Broadband Filters - Astronomy Plus Save up to $12.30 Save $0.00
$28.00 - $82.00
$28.00 - $82.00
$28.00
$23.80 - $69.70
$23.80 - $69.70
$23.80

SVBONY 1.25''/2'' EOS-C CLS Light Pollution Broadband Filters

SVBONY 1.25''/2''/EOS-C CLS Light Pollution Broadband Filters Electron beam gun evaporation with Ion assisted deposition coating technology for dur...

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$28.00 - $82.00
$28.00 - $82.00
$28.00
$23.80 - $69.70
$23.80 - $69.70
$23.80
Save up to $12.30 Save $0.00
Antlia SHO 4.5nm Narrowband EDGE Filters (SHO-EDGE) - Astronomy Plus
Antlia SHO 4.5nm Narrowband EDGE Filters (SHO-EDGE) - Astronomy Plus
Save up to $71.25 Save $0.00
$250.00 - $1,425.00
$250.00 - $1,425.00
$250.00
$237.50 - $1,353.75
$237.50 - $1,353.75
$237.50

Antlia SHO 4.5nm Narrowband EDGE Filters (SHO-EDGE)

Antlia SHO 4.5nm Narrowband EDGE Filters Antlia SHO EDGE narrowband filter optimizes the FWHM (full width half maximum) to 4.5nm bandpass. The supp...

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$250.00 - $1,425.00
$250.00 - $1,425.00
$250.00
$237.50 - $1,353.75
$237.50 - $1,353.75
$237.50
Save up to $71.25 Save $0.00
Optolong L-Ultimate Dual-Band 3nm Filter 2” (L-ULTIMATE) - Astronomy Plus
Optolong L-Ultimate Dual-Band 3nm Filter 2” (L-ULTIMATE) - Astronomy Plus
Save up to $94.50 Save $0.00
$390.00 - $525.00
$390.00 - $525.00
$390.00
$331.50 - $430.50
$331.50 - $430.50
$331.50

Optolong L-Ultimate Dual-Band 3nm Filter

Optolong L-Ultimate Filter It’s about a 3nm dual band designed to drastically reduce the effect of light pollution, the 3nm isolates the nebulae’s ...

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$390.00 - $525.00
$390.00 - $525.00
$390.00
$331.50 - $430.50
$331.50 - $430.50
$331.50
Save up to $94.50 Save $0.00
Optolong L-Quad Enhance Filter 2" Light Pollution Suppression Filter (L-QEF) - Astronomy Plus
Save $40.35 Save $0.00
$269.00
$269.00 - $269.00
$269.00
$228.65
$228.65 - $228.65
$228.65

Optolong L-Quad Enhance Filter 2" Light Pollution Suppression Filter (L-QEF)

Optolong L-Quad Enhance Filter L-Quad Enhance Filter (L-QEF) is a quad bandpass light pollution suppression filter for colour cameras. It effective...

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$269.00
$269.00 - $269.00
$269.00
$228.65
$228.65 - $228.65
$228.65
Save $40.35 Save $0.00
ZWO Duo-Band Filter - Astronomy Plus
ZWO Duo-Band Filter - Astronomy Plus
Save up to $15.00 Save $0.00
$107.00 - $201.00
$107.00 - $201.00
$107.00
$99.00 - $186.00
$99.00 - $186.00
$99.00

ZWO Duo-Band Filter

ZWO Duo-Band Filter The ZWO Duo-Band Filter is a dual narrowband filter primarily aimed at complementing our range of colour ASI cameras. The Duo-B...

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$107.00 - $201.00
$107.00 - $201.00
$107.00
$99.00 - $186.00
$99.00 - $186.00
$99.00
Save up to $15.00 Save $0.00
Save $12.00 Save $0.00
$240.00
$240.00 - $240.00
$240.00
$228.00
$228.00 - $228.00
$228.00

Antlia Triband RGB II Ultra Filter (RGB-II)

Antlia Triband RGB II Ultra Filter It is designed for light pollution suppression for OSC and Mono cameras. The spectral design selected the most...

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$240.00
$240.00 - $240.00
$240.00
$228.00
$228.00 - $228.00
$228.00
Save $12.00 Save $0.00
Astronomik UHC Filter - Astronomy Plus
Astronomik UHC Filter - Astronomy Plus
$125.00 - $301.00
$125.00 - $301.00
$125.00 - $301.00
$125.00

Astronomik UHC Filter

Astronomik UHC Filter You will enjoy using your Astronomik UHC Filter because you will see more stars and more details in deep-sky-objects compared...

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$125.00 - $301.00
$125.00 - $301.00
$125.00 - $301.00
$125.00
SVBONY 1.25''/2''/EOS-C UHC Filter for Light Pollution - Astronomy Plus
SVBONY 1.25''/2''/EOS-C UHC Filter for Light Pollution - Astronomy Plus
Save up to $13.20 Save $0.00
$30.00 - $88.00
$30.00 - $88.00
$30.00
$25.50 - $74.80
$25.50 - $74.80
$25.50

SVBONY 1.25''/2''/EOS-C UHC Filter for Light Pollution

SVBONY EOS-C UHC Filter for Light Pollution UHC filters or light pollution reduction filters are designed to selectively reduce the transmissio...

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$30.00 - $88.00
$30.00 - $88.00
$30.00
$25.50 - $74.80
$25.50 - $74.80
$25.50
Save up to $13.20 Save $0.00
SVBONY SV164 Dark Filter for CCD Cameras - Astronomy Plus
SVBONY SV164 Dark Filter for CCD Cameras - Astronomy Plus
Save up to $3.60 Save $0.00
$22.00 - $24.00
$22.00 - $24.00
$22.00
$18.70 - $20.40
$18.70 - $20.40
$18.70

SVBONY SV164 Dark Filter for CCD Cameras

SVBONY SV164 Dark Filter for CCD Cameras Quickly capture dark frames to optimize photo quality; SV164 filter blocks all light from imaging camera s...

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$22.00 - $24.00
$22.00 - $24.00
$22.00
$18.70 - $20.40
$18.70 - $20.40
$18.70
Save up to $3.60 Save $0.00
$270.00 - $270.00
$270.00
$270.00 - $270.00
$270.00

Celestron Nebula Filter for Origin Intelligent Home Observatory (93669)

Celestron Nebula Filter for Origin Intelligent Home Observatory Get the Most Out of Your Origin: Enhance your Celestron Origin’s views and images...

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$270.00 - $270.00
$270.00
$270.00 - $270.00
$270.00
Seymour Helios Solar Glass Binocular Filters (Pair) - Astronomy Plus
Seymour Helios Solar Glass Binocular Filters (Pair) - Astronomy Plus
$216.00 - $350.00
$216.00 - $350.00
$216.00 - $350.00
$216.00

Seymour Helios Solar Glass Binocular Filters (Pair)

Seymour Helios Solar Glass Binocular Filters (Pair) This pair of premium solar filters are safe for solar viewing when mounted on binoculars. They ...

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$216.00 - $350.00
$216.00 - $350.00
$216.00 - $350.00
$216.00
Player One Anti-Halo 2″ UV IR-CUT Filter (AH-UV-IR-CUT-2) - Astronomy Plus
Player One Anti-Halo 2″ UV IR-CUT Filter (AH-UV-IR-CUT-2) - Astronomy Plus
Save $17.00 Save $0.00
$82.00
$82.00 - $82.00
$82.00
$65.00
$65.00 - $65.00
$65.00

Player One Anti-Halo 2″ UV IR-CUT Filter (AH-UV-IR-CUT-2)

Player One Anti-Halo 2″ UV IR-CUT Filter Technical Specifications   Frame thickness: body 5mm+ thread 2.5mm, a total of 7.5mm Filter glass thi...

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$82.00
$82.00 - $82.00
$82.00
$65.00
$65.00 - $65.00
$65.00
Save $17.00 Save $0.00
Vaonis Vespera lens ring (spare part) (AC028) - Astronomy Plus
Vaonis Vespera lens ring (spare part) (AC028) - Astronomy Plus
$39.00 - $39.00
$39.00
$39.00 - $39.00
$39.00

Vaonis Vespera Lens Ring (spare part) (AC028)

Vaonis Vespera Lens Ring (spare part) Replacement part. The Vespera Lens Ring comes in the original Vespera pack. Only suitable for the Vespera ob...

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$39.00 - $39.00
$39.00
$39.00 - $39.00
$39.00
SVBONY SV139 1.25'' ND Filter For Moon Viewing - Astronomy Plus
SVBONY SV139 1.25'' ND Filter For Moon Viewing - Astronomy Plus
Save $1.95 Save $0.00
$13.00
$13.00 - $13.00
$13.00
$11.05
$11.05 - $11.05
$11.05

SVBONY SV139 1.25'' ND Filter For Moon Viewing

SVBONY SV139 1.25'' ND Filter For Moon Viewing  Help you watch the moon comfortably; The 1.25" Neutral Density Moon filter can reduce the amount ...

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$13.00
$13.00 - $13.00
$13.00
$11.05
$11.05 - $11.05
$11.05
Save $1.95 Save $0.00
Player One ERF 1.25″ Filter S-series for Quark Chromosphere (ERF125) - Astronomy Plus
Player One ERF 1.25″ Filter S-series for Quark Chromosphere (ERF125) - Astronomy Plus
Save $15.00 Save $0.00
$69.00
$69.00 - $69.00
$69.00
$54.00
$54.00 - $54.00
$54.00

Player One ERF 1.25″ Filter S-series for Quark Chromosphere (ERF125)

Player One ERF 1.25″ Filter S-series for Quark Chromosphere Player One S series filter using high quality optical glass substrate and multi-layer c...

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$69.00
$69.00 - $69.00
$69.00
$54.00
$54.00 - $54.00
$54.00
Save $15.00 Save $0.00
Antlia ALP-T Dual Band 5nm Highspeed Filter - Astronomy Plus
Antlia ALP-T Dual Band 5nm Highspeed Filter - Astronomy Plus
Save up to $23.75 Save $0.00
$400.00 - $475.00
$400.00 - $475.00
$400.00
$380.00 - $451.25
$380.00 - $451.25
$380.00

Antlia ALP-T Dual Band Ha+OIII 5nm Highspeed Filter

Antlia ALP-T Dual Band Ha+OIII 5nm Highspeed Filter ALP-T Dual Band 5nm Highspeed Filters are further optimized to work with high-speed imaging sys...

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$400.00 - $475.00
$400.00 - $475.00
$400.00
$380.00 - $451.25
$380.00 - $451.25
$380.00
Save up to $23.75 Save $0.00
Optolong Clear Focusing Filter - Astronomy Plus
Save up to $8.20 Save $0.00
$32.00 - $41.00
$32.00 - $41.00
$32.00
$25.60 - $32.80
$25.60 - $32.80
$25.60

Optolong Clear Focusing Filter

Optolong Clear Focusing Filter Optolong Clear focusing filter is designed to highly pass the visible spectral region 420-680nm at 98.5% transmissio...

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$32.00 - $41.00
$32.00 - $41.00
$32.00
$25.60 - $32.80
$25.60 - $32.80
$25.60
Save up to $8.20 Save $0.00
Unistellar Odyssey Smart Solar Filter (SOLAR2) - Astronomy Plus
Unistellar Odyssey Smart Solar Filter (SOLAR2) - Astronomy Plus
Save $53.80 Save $0.00
$269.00
$269.00 - $269.00
$269.00
$215.20
$215.20 - $215.20
$215.20

Unistellar Odyssey Smart Solar Filter (SOLAR2)

Unistellar Odyssey Smart Solar Filter Unlock the secrets of the Sun Experience the beauty of the Sun’s ever-changing activity and observe its stri...

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$269.00
$269.00 - $269.00
$269.00
$215.20
$215.20 - $215.20
$215.20
Save $53.80 Save $0.00
Antares UHC Filter (UHC) - Astronomy Plus
Antares UHC Filter (UHC) - Astronomy Plus
$81.00 - $122.00
$81.00 - $122.00
$81.00 - $122.00
$81.00

Antares UHC Filter (UHC)

Antares UHC Filter UHC is a filter that blocks the visual spectrum except for wavelengths between 480nM and 510nM. Often called a Nebular or ALP (a...

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$81.00 - $122.00
$81.00 - $122.00
$81.00 - $122.00
$81.00
Baader Fringe Killer Filter - Astronomy Plus
Baader Fringe Killer Filter - Astronomy Plus
$130.00 - $187.00
$130.00 - $187.00
$130.00 - $187.00
$130.00

Baader Fringe Killer Filter

Baader Fringe Killer Filter Achromat owners rejoice! Baader Planetarium has taken minus violet filtration to a new level. The Fringe Killer brings ...

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$130.00 - $187.00
$130.00 - $187.00
$130.00 - $187.00
$130.00
Daystar Flat Cap Imaging Diffuser - Astronomy Plus
Daystar Flat Cap Imaging Diffuser - Astronomy Plus
$117.00 - $135.00
$117.00 - $135.00
$117.00 - $135.00
$117.00

Daystar Flat Cap Imaging Diffuser

Daystar Flat Cap Imaging Diffuser The DayStar FlatCap is a Gaussian diffuser that is temporarily installed over the front of your telescope when t...

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$117.00 - $135.00
$117.00 - $135.00
$117.00 - $135.00
$117.00
Player One UV IR-CUT 1.25″ Filter S-series (UV-IR-CUT) - Astronomy Plus
Save $6.00 Save $0.00
$31.00
$31.00 - $31.00
$31.00
$25.00
$25.00 - $25.00
$25.00

Player One UV IR-CUT 1.25″ Filter S-series (UV-IR-CUT)

Player One UV IR-CUT 1.25″ Filter S-series Player One S series filter using high quality optical glass substrate and multi-layer composite coating ...

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$31.00
$31.00 - $31.00
$31.00
$25.00
$25.00 - $25.00
$25.00
Save $6.00 Save $0.00
SVBONY 1.25''/2'' Linear Polarizer Filters (F9165A - F9165B) - Astronomy Plus
SVBONY 1.25''/2'' Linear Polarizer Filters (F9165A - F9165B) - Astronomy Plus
Save up to $2.55 Save $0.00
$13.00 - $17.00
$13.00 - $17.00
$13.00
$11.05 - $14.45
$11.05 - $14.45
$11.05

SVBONY 1.25''/2'' Linear Polarizer Filters (F9165A - F9165B)

SVBONY 1.25''/2'' Linear Polarizer Filters 1.25 inch moon filter reduce the amount of light entering the eyepiece and increase the eyepiece contra...

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$13.00 - $17.00
$13.00 - $17.00
$13.00
$11.05 - $14.45
$11.05 - $14.45
$11.05
Save up to $2.55 Save $0.00
Baader Neutral Density Filter (ND 0,6 / 0,9 / 1,8 / 3,0) - Astronomy Plus
$67.00 - $115.00
$67.00 - $115.00
$67.00 - $115.00
$67.00

Baader Neutral Density Filter (ND 0,6 / 0,9 / 1,8 / 3,0)

Baader Neutral Density Filter (ND 0,6 / 0,9 / 1,8 / 3,0) For reducing brightness and during Lunar and Solar observation. Suitable for solar observ...

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$67.00 - $115.00
$67.00 - $115.00
$67.00 - $115.00
$67.00
Astrozap Baader Solar Material - Astronomy Plus
Sold out
$45.00 - $118.00
$45.00 - $118.00
$45.00 - $118.00
$45.00

Astrozap Baader Solar Material

Astrozap Baader Solar Material Make your own! Baader Solar Material Size Choice: 177mm x 177mm (7" x 7") 250mm x 250mm (10" x 10") 250mm x 500...

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$45.00 - $118.00
$45.00 - $118.00
$45.00 - $118.00
$45.00
Sold out
Astrozap Baader Solar Filter - Astronomy Plus
Sold out
$96.00 - $243.00
$96.00 - $243.00
$96.00 - $243.00
$96.00

Astrozap Baader Film Solar Filter

Astrozap Baader Solar Filter With the Astrozap Baader Solar Filter, the Sun appears in neutral white. Other films and some glass filters produce a...

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$96.00 - $243.00
$96.00 - $243.00
$96.00 - $243.00
$96.00
Sold out
Optolong UHC Light Pollution Filter - Astronomy Plus
$75.00 - $255.00
$75.00 - $255.00
$75.00 - $255.00
$75.00

Optolong UHC Light Pollution Filter

Optolong UHC Light Pollution Filter The UHC (Ultra High Contrast) broadband filter is designed to improve the visibility of various deepsky objects...

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$75.00 - $255.00
$75.00 - $255.00
$75.00 - $255.00
$75.00
IDAS 2" NBZ-II 10nm Ha & 8nm OIII Dual Band Filter - Astronomy Plus
IDAS 2" NBZ-II 10nm Ha & 8nm OIII Dual Band Filter - Astronomy Plus
$429.00 - $470.00
$429.00 - $470.00
$429.00 - $470.00
$429.00

IDAS 2" NBZ-II 10nm Ha & 8nm OIII Dual Band Filter

IDAS 2" NBZ-II 10nm Ha & 8nm OIII Dual Band Filter The IDAS NBZ-II is a new dual band nebula booster filter - the successor to the NBZ (NBZex) ...

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$429.00 - $470.00
$429.00 - $470.00
$429.00 - $470.00
$429.00
Antlia SHO 3nm Narrowband PRO Highspeed Filters - Astronomy Plus
Antlia SHO 3nm Narrowband PRO Highspeed Filters - Astronomy Plus
Save up to $104.25 Save $0.00
$362.00 - $2,085.00
$362.00 - $2,085.00
$362.00
$343.90 - $1,980.75
$343.90 - $1,980.75
$343.90

Antlia SHO 3nm Narrowband PRO Highspeed Filters

Antlia SHO 3nm Narrowband PRO Highspeed Filters Antlia's SHO 3nm Pro Highspeed Filters are further optimized for high-speed imaging systems by pre-...

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$362.00 - $2,085.00
$362.00 - $2,085.00
$362.00
$343.90 - $1,980.75
$343.90 - $1,980.75
$343.90
Save up to $104.25 Save $0.00
Astronomik L-3 UV-IR Blocking Filter - Astronomy Plus
Astronomik L-3 UV-IR Blocking Filter - Astronomy Plus
$82.00 - $402.00
$82.00 - $402.00
$82.00 - $402.00
$82.00

Astronomik L-3 UV-IR Blocking Filter

Astronomik L-3 UV-IR Blocking Filter Astronomik now offers you a range of three different UV+IR blockers as Luminance filters. The different spectr...

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$82.00 - $402.00
$82.00 - $402.00
$82.00 - $402.00
$82.00
Shelyak SOL'EX Optical Kit (ES0029) - Astronomy Plus
$668.00 - $668.00
$668.00
$668.00 - $668.00
$668.00

Shelyak SOL'EX Optical Kit (ES0029)

Shelyak SOL’EX OPTICAL KIT  Sol’Ex optical kit: all the optical elements to make your own Sol’Ex instrument, and make new images of the Sun. ...

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$668.00 - $668.00
$668.00
$668.00 - $668.00
$668.00
SVBONY SV133 Filters Wheel 1.25'' Multiple 5-Position (W9103A) - Astronomy Plus
SVBONY SV133 Filters Wheel 1.25'' Multiple 5-Position (W9103A) - Astronomy Plus
Save $8.25 Save $0.00
$55.00
$55.00 - $55.00
$55.00
$46.75
$46.75 - $46.75
$46.75

SVBONY SV133 Filters Wheel 1.25'' Multiple 5-Position (W9103A)

SVBONY SV133 Filters Wheel 1.25'' Multiple 5-Position The SVBONY SV133 is suitable for 1.25-inch eyepieces and for viewing with a T2-fitted singl...

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$55.00
$55.00 - $55.00
$55.00
$46.75
$46.75 - $46.75
$46.75
Save $8.25 Save $0.00
SVBONY SV160 2" SII Filter 7nm Narrow-Band for CCDs (W9122B) - Astronomy Plus
SVBONY SV160 2" SII Filter 7nm Narrow-Band for CCDs (W9122B) - Astronomy Plus
Save $30.30 Save $0.00
$202.00
$202.00 - $202.00
$202.00
$171.70
$171.70 - $171.70
$171.70

SVBONY SV160 2" SII Filter 7nm Narrow-Band for CCDs (W9122B)

SVBONY SV160 2" SII Filter 7nm Narrow-Band for CCDs  SVBONY Sulfur II 7nm Extra Narrowband Filter transmits a 7nm bandwidth of light that is cente...

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$202.00
$202.00 - $202.00
$202.00
$171.70
$171.70 - $171.70
$171.70
Save $30.30 Save $0.00
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