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Filters

Choose from our selection of Moon Filters, Nebular Filters, Solar Filters, Solar Glasses, Protective Filters & more from reputable brands such as Explore Scientific, Kowa, Lunt Solar Systems, DayStar, Astrozap, Unistellar, Dwarf Lab, and Vaonis.

  • DayStar 100mm ERF with 120mm Inside Diameter Cap
    Special Order
    $960.00 CAD - $960.00 CAD
    $960.00 CAD
    $960.00 CAD - $960.00 CAD
    $960.00 CAD

    DayStar 100mm ERF with 120mm Inside Diameter Cap

    DayStar
    Coming soon

    DayStar 100mm Energy Rejection Filter with 120mm Inside Diameter Cap - for Refractors - E-120N100 Presenting the DayStar 100mm Energy Rejection Fil...

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    $960.00 CAD - $960.00 CAD
    $960.00 CAD
    $960.00 CAD - $960.00 CAD
    $960.00 CAD
    Special Order
  • DayStar 80mm ERF with 120mm Inside Diameter Cap
    Special Order
    $759.00 CAD - $759.00 CAD
    $759.00 CAD
    $759.00 CAD - $759.00 CAD
    $759.00 CAD

    DayStar 80mm ERF with 120mm Inside Diameter Cap

    DayStar
    Coming soon

    DayStar 80mm Energy Rejection Filter with 120mm Inside Diameter Cap - For Refractor - E-120N80 The DayStar 80mm Energy Rejection Filter featuring a...

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    $759.00 CAD - $759.00 CAD
    $759.00 CAD
    $759.00 CAD - $759.00 CAD
    $759.00 CAD
    Special Order
  • DayStar 80mm ERF with 110mm Inside Diameter Cap Set
    DayStar Energy Rejection-Refractor 80mm and 110mm ID Cap - For Refractor
    Special Order
    $759.00 CAD - $759.00 CAD
    $759.00 CAD
    $759.00 CAD - $759.00 CAD
    $759.00 CAD

    DayStar 80mm ERF with 110mm Inside Diameter Cap

    DayStar
    Coming soon

    DayStar 80mm Energy Rejection Filter with 110mm Inside Diameter Cap - For Refractor - E-110N80 Introducing the DayStar Energy Rejection-Refractor 8...

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    $759.00 CAD - $759.00 CAD
    $759.00 CAD
    $759.00 CAD - $759.00 CAD
    $759.00 CAD
    Special Order
  • DayStar Quantum H-Alpha 0.8Å PE Solar Filter 0.8 Angstrom
    DayStar Quantum Hydrogen Alpha 0.8A PE Solar Filter - .8QPE
    $16,547.00 CAD - $16,547.00 CAD
    $16,547.00 CAD
    $16,547.00 CAD - $16,547.00 CAD
    $16,547.00 CAD

    DayStar Quantum H-Alpha 0.8Å PE Solar Filter

    DayStar
    In stock

    DayStar Quantum Hydrogen Alpha 0.8Å PE Solar Filter - .8QPE The cutting-edge DayStar Quantum Hydrogen Alpha 0.8Å PE Solar Filter, meticulously desi...

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    $16,547.00 CAD - $16,547.00 CAD
    $16,547.00 CAD
    $16,547.00 CAD - $16,547.00 CAD
    $16,547.00 CAD
  • DayStar Quantum H-Alpha 0.3-0.5A SE Solar Filter
    $12,414.00 CAD - $12,414.00 CAD
    $12,414.00 CAD
    $12,414.00 CAD - $12,414.00 CAD
    $12,414.00 CAD

    DayStar Quantum H-Alpha 0.3-0.5Å SE Solar Filter

    DayStar
    In stock

    DayStar Quantum Hydrogen Alpha 0.3-0.5Å SE Solar Filter - QSE-C Discover the DayStar Quantum H-Alpha 0.3-0.5Å SE Solar Filter, specializes in captu...

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    $12,414.00 CAD - $12,414.00 CAD
    $12,414.00 CAD
    $12,414.00 CAD - $12,414.00 CAD
    $12,414.00 CAD
  • DayStar Quantum 0.4Å PE Solar Filter - Sodium D-Line
    $24,827.00 CAD - $24,827.00 CAD
    $24,827.00 CAD
    $24,827.00 CAD - $24,827.00 CAD
    $24,827.00 CAD

    DayStar Quantum 0.4Å PE Solar Filter - Sodium D-Line

    DayStar
    In stock

    DayStar Quantum 0.4Å PE Solar Filter - Sodium D-Line - NAD.4UNI The DayStar Quantum 0.4Å PE Solar Filter in Sodium D-Line variant is designed for ...

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    $24,827.00 CAD - $24,827.00 CAD
    $24,827.00 CAD
    $24,827.00 CAD - $24,827.00 CAD
    $24,827.00 CAD
  • DayStar Quantum 2Å PE Solar Filter Calcium II K-Line Close Up Image of the Sun
    DayStar Quantum 2A PE Solar Filter - Calcium II K-Line
    $24,827.00 CAD - $24,827.00 CAD
    $24,827.00 CAD
    $24,827.00 CAD - $24,827.00 CAD
    $24,827.00 CAD

    DayStar Quantum 2Å PE Solar Filter - Calcium II K-Line

    DayStar
    In stock

    DayStar Quantum 2Å PE Solar Filter - Calcium II K-Line - CK2AUNI The DayStar Quantum 2Å PE Solar Filter, meticulously crafted to precisely capture ...

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    $24,827.00 CAD - $24,827.00 CAD
    $24,827.00 CAD
    $24,827.00 CAD - $24,827.00 CAD
    $24,827.00 CAD
  • Image_No.2_Taken_Using_DayStar_Quantum_5_PE_Solar_Filter_Calcium_II_H-Line
    DayStar Quantum 5A PE Solar Filter - Calcium II H-Line
    $19,307.00 CAD - $19,307.00 CAD
    $19,307.00 CAD
    $19,307.00 CAD - $19,307.00 CAD
    $19,307.00 CAD

    DayStar Quantum 5Å PE Solar Filter - Calcium II H-Line

    DayStar
    In stock

    DayStar Quantum 5Å PE Solar Filter - Calcium II H-Line - CH5AUNI Introducing the DayStar Quantum 5Å PE Solar Filter, precisely tuned for capturing ...

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    $19,307.00 CAD - $19,307.00 CAD
    $19,307.00 CAD
    $19,307.00 CAD - $19,307.00 CAD
    $19,307.00 CAD
  • DayStar Quantum H-Alpha 0.3Å PE Solar Filter 0.3 Angstrom
    DayStar Quantum Hydrogen Alpha 0.3Å PE Solar Filter - .3QPE
    $49,667.00 CAD - $49,667.00 CAD
    $49,667.00 CAD
    $49,667.00 CAD - $49,667.00 CAD
    $49,667.00 CAD

    DayStar Quantum H-Alpha 0.3Å PE Solar Filter

    DayStar
    In stock

    DayStar Quantum Hydrogen Alpha 0.3Å PE Solar Filter - .3QPE Introducing the DayStar Quantum Hydrogen Alpha 0.3Å PE Solar Filter, optimized for capt...

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    $49,667.00 CAD - $49,667.00 CAD
    $49,667.00 CAD
    $49,667.00 CAD - $49,667.00 CAD
    $49,667.00 CAD
  • Image No.1 Captured Using DayStar Quantum Hydrogen Alpha 0.4A PE Solar Filter - .4QPE
    DayStar Quantum Hydrogen Alpha 0.4A PE Solar Filter - .4QPE
    $38,627.00 CAD - $38,627.00 CAD
    $38,627.00 CAD
    $38,627.00 CAD - $38,627.00 CAD
    $38,627.00 CAD

    DayStar Quantum H-Alpha 0.4Å PE Solar Filter

    DayStar
    In stock

    DayStar Quantum Hydrogen Alpha 0.4Å PE Solar Filter - .4QPE Presenting the DayStar Quantum Hydrogen Alpha 0.4Å PE Solar Filter, meticulously engine...

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    $38,627.00 CAD - $38,627.00 CAD
    $38,627.00 CAD
    $38,627.00 CAD - $38,627.00 CAD
    $38,627.00 CAD
  • DayStar Quantum H-Alpha 0.5Å PE Solar Filter 0.5 Angstrom
    DayStar Quantum Hydrogen Alpha 0.5A PE Solar Filter - .5QPE
    $30,347.00 CAD - $30,347.00 CAD
    $30,347.00 CAD
    $30,347.00 CAD - $30,347.00 CAD
    $30,347.00 CAD

    DayStar Quantum H-Alpha 0.5Å PE Solar Filter

    DayStar
    In stock

    DayStar Quantum Hydrogen Alpha 0.5Å PE Solar Filter - .5QPE Presenting the DayStar Quantum Hydrogen Alpha 0.5Å PE Solar Filter, meticulously design...

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    $30,347.00 CAD - $30,347.00 CAD
    $30,347.00 CAD
    $30,347.00 CAD - $30,347.00 CAD
    $30,347.00 CAD
  • DayStar Quantum Hydrogen Alpha 0.6A PE Solar Filter - .6QPE Academic Standard Hydrogen Alpha Filters
    DayStar Quantum Hydrogen Alpha 0.6A PE Solar Filter - .6QPE
    $24,827.00 CAD - $24,827.00 CAD
    $24,827.00 CAD
    $24,827.00 CAD - $24,827.00 CAD
    $24,827.00 CAD

    DayStar Quantum H-Alpha 0.6Å PE Solar Filter

    DayStar
    In stock

    DayStar Quantum Hydrogen Alpha 0.6Å PE Solar Filter - .6QPE Introducing the DayStar Quantum Hydrogen Alpha 0.6Å PE Solar Filter, optimized for capt...

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    $24,827.00 CAD - $24,827.00 CAD
    $24,827.00 CAD
    $24,827.00 CAD - $24,827.00 CAD
    $24,827.00 CAD
  • Image Captured Using DayStar Quantum Hydrogen Alpha 0.7A PE Solar Filter - .7QPE
    DayStar Quantum Hydrogen Alpha 0.7A PE Solar Filter - .7QPE
    $19,307.00 CAD - $19,307.00 CAD
    $19,307.00 CAD
    $19,307.00 CAD - $19,307.00 CAD
    $19,307.00 CAD

    DayStar Quantum H-Alpha 0.7Å PE Solar Filter

    DayStar
    In stock

    DayStar Quantum Hydrogen Alpha 0.7Å PE Solar Filter - .7QPE Welcome to the world of solar exploration with the DayStar Quantum Hydrogen Alpha 0.7Å ...

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    $19,307.00 CAD - $19,307.00 CAD
    $19,307.00 CAD
    $19,307.00 CAD - $19,307.00 CAD
    $19,307.00 CAD
  • DayStar Quantum H-Alpha 0.7-0.9A SE Solar Filter
    $7,170.00 CAD - $7,170.00 CAD
    $7,170.00 CAD
    $7,170.00 CAD - $7,170.00 CAD
    $7,170.00 CAD

    DayStar Quantum H-Alpha 0.7-0.9Å SE Solar Filter

    DayStar
    In stock

    DayStar Quantum Hydrogen Alpha 0.7-0.9Å SE Solar Filter - QSE-P Presenting the DayStar Quantum H-Alpha 0.7-0.9Å SE Solar Filter, engineered for cap...

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    $7,170.00 CAD - $7,170.00 CAD
    $7,170.00 CAD
    $7,170.00 CAD - $7,170.00 CAD
    $7,170.00 CAD
  • DayStar QUARK Eyepiece Solar Filter - Calcium H - DSZCH
    DayStar QUARK Eyepiece Solar Filter Calcium H Body Side Profile
    $1,788.00 CAD - $1,788.00 CAD
    $1,788.00 CAD
    $1,788.00 CAD - $1,788.00 CAD
    $1,788.00 CAD

    DayStar QUARK Eyepiece Solar Filter - Calcium H

    DayStar
    In stock

    DayStar QUARK "Eyepiece" Solar Filter - Calcium H Model - DSZCH Introducing our groundbreaking All-In-One design, a fusion of top-tier adapters, pr...

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    $1,788.00 CAD - $1,788.00 CAD
    $1,788.00 CAD
    $1,788.00 CAD - $1,788.00 CAD
    $1,788.00 CAD
  • DayStar QUARK Eyepiece Solar Filter Magnesium I b2 Line Body Side Profile
    DayStar QUARK Eyepiece Solar Filter - Magnesium I b2 Line
    $2,064.00 CAD - $2,064.00 CAD
    $2,064.00 CAD
    $2,064.00 CAD - $2,064.00 CAD
    $2,064.00 CAD

    DayStar QUARK Eyepiece Solar Filter - Magnesium I b2 Line

    DayStar
    In stock

    DayStar QUARK "Eyepiece" Solar Filter - Magnesium I b2 Line Model - DSZMG The DayStar QUARK Eyepiece Solar Filter in Magnesium I b2 Line, a respons...

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    $2,064.00 CAD - $2,064.00 CAD
    $2,064.00 CAD
    $2,064.00 CAD - $2,064.00 CAD
    $2,064.00 CAD
  • DayStar QUARK Eyepiece Solar Filter Sodium D Line Lower Body Side Profile
    DayStar QUARK Eyepiece Solar Filter Sodium D Line Upper Body Side Profile
    $1,788.00 CAD - $1,788.00 CAD
    $1,788.00 CAD
    $1,788.00 CAD - $1,788.00 CAD
    $1,788.00 CAD

    DayStar QUARK Eyepiece Solar Filter - Sodium D Line

    DayStar
    In stock

    DayStar QUARK "Eyepiece" Solar Filter - Sodium D Line Model - DSZSD Presenting The DayStar QUARK Solar Filter in Sodium D Line, a revelation for so...

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    $1,788.00 CAD - $1,788.00 CAD
    $1,788.00 CAD
    $1,788.00 CAD - $1,788.00 CAD
    $1,788.00 CAD
  • Image Taken Using a Refractor with DayStar QUARK H-Alpha Eyepiece Solar Filter for Questar Telescopes Prominence
    DayStar QUARK H-Alpha Eyepiece Solar Filter For Questar Telescopes - Prominence
    $1,788.00 CAD - $1,788.00 CAD
    $1,788.00 CAD
    $1,788.00 CAD - $1,788.00 CAD
    $1,788.00 CAD

    DayStar QUARK H-Alpha Eyepiece Solar Filter for Questar Telescopes - Prominence

    DayStar
    In stock

    DayStar QUARK H-Alpha "Eyepiece" Solar Filter For Questar Telescopes - Prominence Model - DSZQP Presenting the Daystar Instruments QUARK, a pioneer...

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    $1,788.00 CAD - $1,788.00 CAD
    $1,788.00 CAD
    $1,788.00 CAD - $1,788.00 CAD
    $1,788.00 CAD
  • Image Taken Using a Refractor with DayStar QUARK H-Alpha Eyepiece Solar Filter For Questar Telescopes - Chromosphere
    DayStar QUARK H-Alpha Eyepiece Solar Filter For Questar Telescopes - Chromosphere
    $1,788.00 CAD - $1,788.00 CAD
    $1,788.00 CAD
    $1,788.00 CAD - $1,788.00 CAD
    $1,788.00 CAD

    DayStar QUARK H-Alpha Eyepiece Solar Filter For Questar Telescopes - Chromosphere

    DayStar
    In stock

    DayStar QUARK H-Alpha "Eyepiece" Solar Filter For Questar Telescopes - Chromosphere Model - DSZQC Introducing the Daystar Instruments QUARK, a revo...

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    $1,788.00 CAD - $1,788.00 CAD
    $1,788.00 CAD
    $1,788.00 CAD - $1,788.00 CAD
    $1,788.00 CAD
  • Image Taken Using a Refractor with DayStar Combo QUARK H-Alpha Eyepiece Solar Filter - Prominence
    DayStar Combo QUARK Prominence H-Alpha Eyepiece Solar Filter DSZCP
    $1,788.00 CAD - $1,788.00 CAD
    $1,788.00 CAD
    $1,788.00 CAD - $1,788.00 CAD
    $1,788.00 CAD

    DayStar Combo QUARK H-Alpha Eyepiece Solar Filter - Prominence

    DayStar
    In stock

    DayStar Combo QUARK H-Alpha "Eyepiece" Solar Filter - Prominence Model - DSZCP The Daystar Instruments QUARK represents the initial Hydrogen Alpha ...

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    $1,788.00 CAD - $1,788.00 CAD
    $1,788.00 CAD
    $1,788.00 CAD - $1,788.00 CAD
    $1,788.00 CAD
  • Image Taken Using a Refractor with DayStar QUARK H-Alpha Eyepiece Solar Filter Prominence
    DayStar QUARK H-Alpha Eyepiece Solar Filter Prominence
    $1,788.00 CAD - $1,788.00 CAD
    $1,788.00 CAD
    $1,788.00 CAD - $1,788.00 CAD
    $1,788.00 CAD

    DayStar QUARK H-Alpha Eyepiece Solar Filter - Prominence

    DayStar
    In stock

    DayStar QUARK H-Alpha "Eyepiece" Solar Filter - Prominence Model - DSZ4P The cutting-edge All-In-One design seamlessly incorporates high-quality co...

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    $1,788.00 CAD - $1,788.00 CAD
    $1,788.00 CAD
    $1,788.00 CAD - $1,788.00 CAD
    $1,788.00 CAD
  • Vaonis Vespera Solar Filter Back Profile
    Vaonis Vespera Solar Filter Front Profile
    $248.00 CAD - $248.00 CAD
    $248.00 CAD
    $248.00 CAD - $248.00 CAD
    $248.00 CAD

    Vaonis Vespera Solar Filter

    Vaonis
    In stock

    Turn your Vaonis Vespera into a Solar Telescope will this Smart Solar Filter Astronomer by night, astronomer by day! Observe the closest star to Ea...

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    $248.00 CAD - $248.00 CAD
    $248.00 CAD
    $248.00 CAD - $248.00 CAD
    $248.00 CAD
  • Lunt Internal Double Stack Module For Lunt 130mm and 152mm Telescopes
    Lunt Internal Double Stack Module For Lunt 130mm and 152mm Telescopes Body
    $4,134.00 CAD - $4,134.00 CAD
    $4,134.00 CAD
    $4,134.00 CAD - $4,134.00 CAD
    $4,134.00 CAD

    Lunt Internal Double Stack Module For Lunt 130mm and 152mm Telescopes

    Lunt Solar Systems
    In stock

    Lunt Internal Double Stack Module For Lunt 130mm & 152mm Telescopes The LFPT is the internal double-stack module for Lunt's 130mm and 152mm tel...

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    $4,134.00 CAD - $4,134.00 CAD
    $4,134.00 CAD
    $4,134.00 CAD - $4,134.00 CAD
    $4,134.00 CAD
  • Lunt LS100FHa 100mm Solar Filter Aperture
    Lunt LS100FHa 100mm Solar Filter
    Sold out
    $6,204.00 CAD - $6,204.00 CAD
    $6,204.00 CAD
    $6,204.00 CAD - $6,204.00 CAD
    $6,204.00 CAD

    Lunt LS100FHa 100mm Solar Filter

    Lunt Solar Systems
    Out of stock

    Lunt 100mm Solar Filter - LS100FHa Presenting the Lunt LS100FHa 100mm Solar Filter—a dedicated add-on designed for augmenting solar observation ex...

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    $6,204.00 CAD - $6,204.00 CAD
    $6,204.00 CAD
    $6,204.00 CAD - $6,204.00 CAD
    $6,204.00 CAD
    Sold out