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Free Shipping in Canada for Orders Over 500$ before txs.* Some exception may apply.

Filters

An astronomical filter is a telescope accessory consisting of an optical filter used by amateur astronomers to simply improve details and contrast.
  • Original price $4.00 - Original price $4.00
    Original price
    $4.00
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    Current price $4.00

    Daystar Solar Eclipse Glasses (x1)

    Daystar Solar Eclipse Glasses All Daystar manufactured Solar Glasses are certified MADE IN USA and pass ISO standard 12312-2:2015 for protective ey...

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    Original price $4.00 - Original price $4.00
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    $4.00
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    Current price $4.00
  • Original price $190.00 - Original price $368.00
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    $190.00 - $368.00
    Current price $190.00

    Optolong L-Pro Filter

    Optolong L-Pro Filter The Optolong L-Pro Filter is designed to improve the visibility of various deepsky objects. By selectively reducing the trans...

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    Original price $190.00 - Original price $368.00
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    $190.00 - $368.00
    $190.00 - $368.00
    Current price $190.00
  • Original price $211.00
    Original price $131.00 - Original price $352.00
    Original price $211.00
    $131.00 - $352.00
    $131.00 - $352.00
    Current price $131.00

    Astrozap Full Aperture Solar Filter

    Astrozap Full Aperture Solar Filter Please see that document before choosing the size of your filter: How to Choose the right Astrozap Solar Filter...

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    Original price $211.00
    Original price $131.00 - Original price $352.00
    Original price $211.00
    $131.00 - $352.00
    $131.00 - $352.00
    Current price $131.00
    Save up to $14.00 Save $0.00
  • Original price $3.00 - Original price $3.00
    Original price
    $3.00
    $3.00 - $3.00
    Current price $3.00

    Astronomy Plus Solar Eclipse Glasses Made by Daystar (x1)

    Daystar Solar Eclipse Glasses / Astronomy Plus Design These solar glasses are sold separately. All Daystar manufactured Solar Glasses are certified...

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    Original price $3.00 - Original price $3.00
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    $3.00
    $3.00 - $3.00
    Current price $3.00
  • Original price $339.00 - Original price $2,994.01
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    $339.00 - $2,994.01
    Current price $339.00

    Antlia SHO 3nm Narrowband PRO Filters

    Antlia SHO 3nm Narrowband Pro Filters Antlia SHO Pro narrowband filter optimizes the FWHM (full width half maximum) to 3nm bandpass. As the bandwid...

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    Original price $339.00 - Original price $2,994.01
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    $339.00 - $2,994.01
    $339.00 - $2,994.01
    Current price $339.00
  • Original price $202.99 - Original price $202.99
    Original price
    $202.99
    $202.99 - $202.99
    Current price $202.99

    Vaonis Vespera Solar Filter (AC021)

    Vaonis Vespera Solar Filter Astronomer by night, astronomer by day! Observe the closest star to Earth during the day with the Vespera solar filter....

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    Original price $202.99 - Original price $202.99
    Original price
    $202.99
    $202.99 - $202.99
    Current price $202.99
  • Original price $56.00 - Original price $83.00
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    $56.00 - $83.00
    Current price $56.00

    Optolong UV/IR CUT

    Optolong UV/IR CUT Optolong UV/IR Cut filter is designed for ultraviolet and infrared wavelength blocking to improve sharpness of the image as most...

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    Original price $56.00 - Original price $83.00
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    $56.00 - $83.00
    Current price $56.00
  • Original price $20.00 - Original price $22.00
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    Current price $20.00

    SVBONY 1.25"/2'' Variable Polarizing Filters for Eyepieces

    SVBONY 1.25"/2'' Variable Polarizing Filters for Eyepieces The VPL Filter has premium quality metal rim and optics glass lens . Reduce glare and in...

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    Original price $20.00 - Original price $22.00
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    Current price $20.00
  • Original price $30.00 - Original price $66.00
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    $30.00 - $66.00
    Current price $30.00

    ZWO UV/IR Cut Filter

    ZWO UV/IR Cut Filter The ZWO UV/IR Cut Filter  filter is suitable for color camera with AR protect window. It’s available in 1.25″ or 2″ round moun...

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    Original price $30.00 - Original price $66.00
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    $30.00 - $66.00
    Current price $30.00
  • Original price $319.00 - Original price $410.00
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    $319.00 - $410.00
    Current price $319.00

    Optolong L-Extreme Dual-Band Filter

    Optolong L-Extreme Dual-Band Astronomy NarrowBand Filter The advantage of the L-eXtreme filter is that there is no transmission between the H-beta ...

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    Original price $319.00 - Original price $410.00
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    $319.00 - $410.00
    Current price $319.00
  • Original price $18.00 - Original price $34.00
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    Current price $18.00

    Daystar White Light ULF - Universal Solar Filters

    Daystar White Light ULF - Universal Solar Filters Available in 3 sizes.ULF-50ULF-70ULF-90 Safe, Thousand Oaks brand SolarLite Film. Ships flat for...

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    Original price $18.00 - Original price $34.00
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    $18.00 - $34.00
    Current price $18.00
  • Original price $80.00 - Original price $242.00
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    $80.00 - $242.00
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    Current price $80.00

    Thousand Oaks Full Aperture Solar Filters Solarlite Polymer

    Thousand Oaks Full Aperture Solarlite Polymer After years of R&D we have developed a new solar film that has the optical quality of glass with ...

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    Original price $80.00 - Original price $242.00
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    $80.00 - $242.00
    Current price $80.00
  • Original price $66.00 - Original price $107.00
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    Current price $66.00

    Thousand Oaks Threaded Camera Filters

    Thousand Oaks Threaded Camera Filters Thousand Oaks Threaded Camera Filters boast superior quality and performance. They create a clear, crisp pict...

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    Original price $66.00 - Original price $107.00
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    $66.00 - $107.00
    $66.00 - $107.00
    Current price $66.00
  • Original price $530.00 - Original price $530.00
    Original price
    $530.00
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    Current price $530.00

    Vespera Duo-Band Filter (AC022)

    Vespera Duo Band Filter The Vespera Dual Band Filter is a dual narrowband interference filter that will significantly improve your photo quality ...

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    Original price $530.00 - Original price $530.00
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    $530.00
    $530.00 - $530.00
    Current price $530.00
  • Original price $240.00 - Original price $240.00
    Original price
    $240.00
    $240.00 - $240.00
    Current price $240.00

    Antlia Triband RGB Ultra 2" Filter (RGB)

    Antlia Triband RGB Ultra 2" Filter It is designed for light pollution suppression for OSC and Mono cameras. The spectral design selected the most s...

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    Original price $240.00 - Original price $240.00
    Original price
    $240.00
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    Current price $240.00
  • Original price $380.00 - Original price $762.00
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    Current price $380.00

    Antlia LRGB-V Filters

    Antlia LRGB-V Filters The Antlia LRGB-V Pro series filters are designed for monochrome cameras that use both CCD and CMOS sensors. Suitable sensors...

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    Original price $380.00 - Original price $762.00
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    $380.00 - $762.00
    $380.00 - $762.00
    Current price $380.00
  • Original price $107.00 - Original price $201.00
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    $107.00 - $201.00
    $107.00 - $201.00
    Current price $107.00

    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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    Original price $107.00 - Original price $201.00
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    $107.00 - $201.00
    $107.00 - $201.00
    Current price $107.00
  • Original price $310.99 - Original price $310.99
    Original price
    $310.99
    $310.99 - $310.99
    Current price $310.99

    Vespera Light Pollution Filter (AC023)

    Vespera Light Pollution Filter The Vespera light pollution filter or CLS (City Light Suppression) filter allows you to improve the quality of your ...

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    Original price $310.99 - Original price $310.99
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    $310.99
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    Current price $310.99
  • Original price $318.00 - Original price $398.00
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    $318.00 - $398.00
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    Current price $318.00

    IDAS NBZ duo-band filter

    IDAS NBZ duo-band filter IDAS NBZ duo-band filter is designed to enhance the contrast of Hα and OIII emission nebula, yet accommodate the filter sp...

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    Original price $318.00 - Original price $398.00
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    $318.00 - $398.00
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    Current price $318.00
  • Original price $400.00 - Original price $474.00
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    $400.00 - $474.00
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    Current price $400.00

    Antlia ALP-T Dual Band 5nm Ha&OIII "Gold" Filter

    Antlia ALP-T Dual Band 5nm Ha&OIII Filter ***** Antlia FAMOUS filter known as Gold Filter! ***** The Antlia ALP-T dual band 5nm filter is a dua...

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    Original price $400.00 - Original price $474.00
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    $400.00 - $474.00
    Current price $400.00
  • Original price $240.00 - Original price $350.00
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    Current price $240.00

    Optolong L-eNhance Filter

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

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    Original price $240.00 - Original price $350.00
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    Current price $240.00
  • Original price $173.00 - Original price $173.00
    Original price
    $173.00
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    Current price $173.00

    ZWO Atmospheric Dispersion Corrector (ADC)

    ZWO Atmospheric Dispersion Corrector ZWO Atmospheric Dispersion Corrector (ADC) is used to reduce the effect of atmospheric dispersion on lunar and...

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    Original price $173.00 - Original price $173.00
    Original price
    $173.00
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    Current price $173.00
  • Original price $336.00 - Original price $336.00
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    $336.00
    $336.00 - $336.00
    Current price $336.00

    Unistellar Smart Solar Filter (SOLAR)

    Unistellar Smart Solar Filter ** Release date: September 1st ** Unlock the secrets of our nearest star and uncover the awe-inspiring mysteries of s...

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    Original price $336.00 - Original price $336.00
    Original price
    $336.00
    $336.00 - $336.00
    Current price $336.00
  • Original price $198.00 - Original price $198.00
    Original price
    $198.00
    $198.00 - $198.00
    Current price $198.00

    Vaonis Stellina Solar Filter (AC013)

    Vaonis Stellina Solar Filter Astronomer by night, astronomer by day! Observe the closest star to Earth during the day with the Stellina solar fi...

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    Original price $198.00 - Original price $198.00
    Original price
    $198.00
    $198.00 - $198.00
    Current price $198.00
  • Original price $127.68 - Original price $183.54
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    $127.68 - $183.54
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    Current price $127.68

    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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    Original price $127.68 - Original price $183.54
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    $127.68 - $183.54
    $127.68 - $183.54
    Current price $127.68
  • Original price $49.00 - Original price $49.00
    Original price
    $49.00
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    Current price $49.00

    SVBONY SV155 1.25 " 7-Piece Filters Set for Planetary & Moon

    SVBONY SV155 1.25" 7-Piece Filters Set for Planetary & Moon 7pcs filters set include most popular color planetary and moon telescope eyepiece ...

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    Original price $49.00 - Original price $49.00
    Original price
    $49.00
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    Current price $49.00
  • Original price $22.00 - Original price $24.00
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    Current price $22.00

    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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    Original price $22.00 - Original price $24.00
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    $22.00 - $24.00
    Current price $22.00
  • Original price $250.00 - Original price $1,425.00
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    $250.00 - $1,425.00
    Current price $250.00

    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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    Original price $250.00 - Original price $1,425.00
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    $250.00 - $1,425.00
    Current price $250.00
  • Original price $323.00 - Original price $404.00
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    $323.00 - $404.00
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    Current price $323.00

    IDAS NBZ duo-band filter Ultra High Speed

    IDAS NBZ UHS(Ultra High Speed) versions Ideal for Ultra high speed optics such as RASAs and HyperStars F1.8 to F2.8 & UHS More competitive pri...

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    Original price $323.00 - Original price $404.00
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    $323.00 - $404.00
    Current price $323.00
  • Original price $93.03 - Original price $93.03
    Original price
    $93.03
    $93.03 - $93.03
    Current price $93.03

    Celestron EclipSmart Solar Filter - 8” SCT and EdgeHD (94244)

    Celestron EclipSmart Solar Filter - 8” SCT and EdgeHD Enhance your viewing experience with Celestron's EclipSmart Solar Filter for Celestron 8” tel...

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    Original price $93.03 - Original price $93.03
    Original price
    $93.03
    $93.03 - $93.03
    Current price $93.03
  • Original price $15.00 - Original price $31.00
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    $15.00 - $31.00
    $15.00 - $31.00
    Current price $15.00

    SVBONY Moon Filter 1.25''/2'' for Reduce Glare

    SVBONY Moon Filter 1.25''/2'' for Reduce Glare Moon and skyglow filter is a multi band pass filter transmitting a high percentage of light in the ...

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    Original price $15.00 - Original price $31.00
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    $15.00 - $31.00
    $15.00 - $31.00
    Current price $15.00
  • Original price $1,748.00 - Original price $1,748.00
    Original price
    $1,748.00
    $1,748.00 - $1,748.00
    Current price $1,748.00

    Daystar Quark Chromosphere H-alpha Filter (DSZ4C)

    Daystar Quark Chromosphere H-alpha Filter The Daystar Quark Chromosphere H-alpha Filter marries high quality components of a telecentric barlow, ad...

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    Original price $1,748.00 - Original price $1,748.00
    Original price
    $1,748.00
    $1,748.00 - $1,748.00
    Current price $1,748.00
  • Original price $53.00 - Original price $53.00
    Original price
    $53.00
    $53.00 - $53.00
    Current price $53.00

    Celestron 1.25" Variable Polarizing Filter (94107)

    Celestron 1.25" Variable Polarizing Filter When you want to selectively reduce the brightness of celestial objects for a customized view, the Varia...

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    Original price $53.00 - Original price $53.00
    Original price
    $53.00
    $53.00 - $53.00
    Current price $53.00
  • Original price $400.00 - Original price $475.00
    Original price
    $400.00 - $475.00
    $400.00 - $475.00
    Current price $400.00

    Antlia ALP-T Dual Band 5nm Highspeed Filter

    Antlia ALP-T Dual Band 5nm Highspeed Filter ALP-T Dual Band 5nm Highspeed Filters are further optimized to work with high-speed imaging systems by ...

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    Original price $400.00 - Original price $475.00
    Original price
    $400.00 - $475.00
    $400.00 - $475.00
    Current price $400.00
  • Original price $30.00 - Original price $88.00
    Original price
    $30.00 - $88.00
    $30.00 - $88.00
    Current price $30.00

    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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    Original price $30.00 - Original price $88.00
    Original price
    $30.00 - $88.00
    $30.00 - $88.00
    Current price $30.00
  • Original price $466.00 - Original price $466.00
    Original price
    $466.00
    $466.00 - $466.00
    Current price $466.00

    Antlia ALP-T 2" Dual Band 5nm SII&Hb Filter

    Antlia ALP-T Dual Band 5nm SII&Hb Filter The ALP-T dual band 5nm SII&Hb filter is a dual line-pass filter, which lets the deep red Sulfur-I...

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    Original price $466.00 - Original price $466.00
    Original price
    $466.00
    $466.00 - $466.00
    Current price $466.00
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