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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.

  • Original price $35,990.00 - Original price $35,990.00
    Original price
    $35,990.00
    $35,990.00 - $35,990.00
    Current price $35,990.00

    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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    Original price $35,990.00 - Original price $35,990.00
    Original price
    $35,990.00
    $35,990.00 - $35,990.00
    Current price $35,990.00
  • Original price $27,990.00 - Original price $27,990.00
    Original price
    $27,990.00
    $27,990.00 - $27,990.00
    Current price $27,990.00

    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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    Original price $27,990.00 - Original price $27,990.00
    Original price
    $27,990.00
    $27,990.00 - $27,990.00
    Current price $27,990.00
  • Original price $21,990.00 - Original price $21,990.00
    Original price
    $21,990.00
    $21,990.00 - $21,990.00
    Current price $21,990.00

    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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    Original price $21,990.00 - Original price $21,990.00
    Original price
    $21,990.00
    $21,990.00 - $21,990.00
    Current price $21,990.00
  • Original price $17,990.00 - Original price $17,990.00
    Original price
    $17,990.00
    $17,990.00 - $17,990.00
    Current price $17,990.00

    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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    Original price $17,990.00 - Original price $17,990.00
    Original price
    $17,990.00
    $17,990.00 - $17,990.00
    Current price $17,990.00
  • Original price $13,990.00 - Original price $13,990.00
    Original price
    $13,990.00
    $13,990.00 - $13,990.00
    Current price $13,990.00

    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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    Original price $13,990.00 - Original price $13,990.00
    Original price
    $13,990.00
    $13,990.00 - $13,990.00
    Current price $13,990.00
  • Original price $5,195.00 - Original price $5,195.00
    Original price
    $5,195.00
    $5,195.00 - $5,195.00
    Current price $5,195.00

    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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    Original price $5,195.00 - Original price $5,195.00
    Original price
    $5,195.00
    $5,195.00 - $5,195.00
    Current price $5,195.00
  • Original price $1,295.00 - Original price $1,295.00
    Original price
    $1,295.00
    $1,295.00 - $1,295.00
    Current price $1,295.00

    DayStar QUARK Eyepiece Solar Filter - Calcium H

    DayStar
    Coming soon

    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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    Original price $1,295.00 - Original price $1,295.00
    Original price
    $1,295.00
    $1,295.00 - $1,295.00
    Current price $1,295.00
    Special Order
  • Original price $1,495.00 - Original price $1,495.00
    Original price
    $1,495.00
    $1,495.00 - $1,495.00
    Current price $1,495.00

    DayStar QUARK Eyepiece Solar Filter - Magnesium I b2 Line

    DayStar
    Coming soon

    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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    Original price $1,495.00 - Original price $1,495.00
    Original price
    $1,495.00
    $1,495.00 - $1,495.00
    Current price $1,495.00
    Special Order
  • Original price $1,295.00 - Original price $1,295.00
    Original price
    $1,295.00
    $1,295.00 - $1,295.00
    Current price $1,295.00

    DayStar QUARK Eyepiece Solar Filter - Sodium D Line

    DayStar
    Coming soon

    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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    Original price $1,295.00 - Original price $1,295.00
    Original price
    $1,295.00
    $1,295.00 - $1,295.00
    Current price $1,295.00
    Special Order
  • Original price $1,295.00 - Original price $1,295.00
    Original price
    $1,295.00
    $1,295.00 - $1,295.00
    Current price $1,295.00

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

    DayStar
    Coming soon

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

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    Original price $1,295.00 - Original price $1,295.00
    Original price
    $1,295.00
    $1,295.00 - $1,295.00
    Current price $1,295.00
    Special Order
  • Original price $1,295.00 - Original price $1,295.00
    Original price
    $1,295.00
    $1,295.00 - $1,295.00
    Current price $1,295.00

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

    DayStar
    Coming soon

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

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    Original price $1,295.00 - Original price $1,295.00
    Original price
    $1,295.00
    $1,295.00 - $1,295.00
    Current price $1,295.00
    Special Order
  • Original price $1,295.00 - Original price $1,295.00
    Original price
    $1,295.00
    $1,295.00 - $1,295.00
    Current price $1,295.00

    DayStar Combo QUARK H-Alpha Eyepiece Solar Filter - Prominence

    DayStar
    Coming soon

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

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    Original price $1,295.00 - Original price $1,295.00
    Original price
    $1,295.00
    $1,295.00 - $1,295.00
    Current price $1,295.00
    Special Order
  • Original price $2,595.00 - Original price $2,595.00
    Original price
    $2,595.00
    $2,595.00 - $2,595.00
    Current price $2,595.00

    DayStar QUARK H-Alpha Eyepiece Solar Filter - Gemini

    DayStar
    Coming soon

    DayStar QUARK H-Alpha "Eyepiece" Solar Filter - Gemini Model - DSZ4G Presenting the DayStar Quark H-Alpha Eyepiece Solar Filter - Gemini: a groundb...

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    Original price $2,595.00 - Original price $2,595.00
    Original price
    $2,595.00
    $2,595.00 - $2,595.00
    Current price $2,595.00
    Special Order
  • Original price $1,295.00 - Original price $1,295.00
    Original price
    $1,295.00
    $1,295.00 - $1,295.00
    Current price $1,295.00

    DayStar QUARK H-Alpha Eyepiece Solar Filter - Prominence

    DayStar
    Coming soon

    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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    Original price $1,295.00 - Original price $1,295.00
    Original price
    $1,295.00
    $1,295.00 - $1,295.00
    Current price $1,295.00
    Special Order
  • Original price $149.00 - Original price $149.00
    Original price
    $149.00
    $149.00 - $149.00
    Current price $149.00

    Vaonis Vespera Solar Filter

    Vaonis
    Out of 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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    Original price $149.00 - Original price $149.00
    Original price
    $149.00
    $149.00 - $149.00
    Current price $149.00
    Sold out
  • Original price $399.00 - Original price $399.00
    Original price
    $399.00
    $399.00 - $399.00
    Current price $399.00

    Vaonis Vespera Dual Nebula Band Filter

    Vaonis
    Out of stock

    Vaonis Dual Nebula Band Filter for Vespera - AC022 The Vespera Dual Band Filter is a dual narrowband interference filter that will significantly im...

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    Original price $399.00 - Original price $399.00
    Original price
    $399.00
    $399.00 - $399.00
    Current price $399.00
    Sold out
  • Original price $3,564.00 - Original price $3,564.00
    Original price
    $3,564.00
    $3,564.00 - $3,564.00
    Current price $3,564.00

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

    Lunt Solar Systems
    Coming soon

    Lunt Internal Double Stack Module For Lunt 130mm & 152mm Telescopes Boost your solar viewing with the Lunt Internal Double Stack Module for Lun...

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    Original price $3,564.00 - Original price $3,564.00
    Original price
    $3,564.00
    $3,564.00 - $3,564.00
    Current price $3,564.00
    Special Order
  • Original price $6,561.00 - Original price $6,561.00
    Original price
    $6,561.00
    $6,561.00 - $6,561.00
    Current price $6,561.00

    Lunt LS100FHa 100mm Solar Filter

    Lunt Solar Systems
    Coming soon

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

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    Original price $6,561.00 - Original price $6,561.00
    Original price
    $6,561.00
    $6,561.00 - $6,561.00
    Current price $6,561.00
    Special Order
  • Original price $1,188.00 - Original price $1,188.00
    Original price
    $1,188.00
    $1,188.00 - $1,188.00
    Current price $1,188.00

    Lunt Front Mount 50mm Double Stack Solar Filter

    Lunt Solar Systems
    Coming soon

    Lunt Front Mount 50mm Double Stack Solar Filter - LS50FHa Presenting the Lunt LS50FHa Front Mount 50mm Double Stack Solar Filter: The LS50FHa is a...

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    Original price $1,188.00 - Original price $1,188.00
    Original price
    $1,188.00
    $1,188.00 - $1,188.00
    Current price $1,188.00
    Special Order
  • Original price $179.99 - Original price $179.99
    Original price
    $179.99
    $179.99 - $179.99
    Current price $179.99

    Explore Scientific Nebula Filter H-Beta 2.0-inch

    Explore Scientific
    In stock

    Explore Scientific H-Beta 2.0-inch Nebula Filter - 310230 Presenting Explore Scientific's 1.25" H-Beta Nebula Filter, featuring a range from 478nm ...

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    Original price $179.99 - Original price $179.99
    Original price
    $179.99
    $179.99 - $179.99
    Current price $179.99
  • Original price $119.99 - Original price $119.99
    Original price
    $119.99
    $119.99 - $119.99
    Current price $119.99

    Explore Scientific Nebula Filter CLS 2.0-inch

    Explore Scientific
    In stock

    Explore Scientific CLS 2.0-inch Nebula Filter - 310220 Presenting Explore Scientific's 1.25" CLS Nebula Filter, with a range from 436nm to 536nm an...

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    Original price $119.99 - Original price $119.99
    Original price
    $119.99
    $119.99 - $119.99
    Current price $119.99
  • Original price $139.99 - Original price $139.99
    Original price
    $139.99
    $139.99 - $139.99
    Current price $139.99

    Explore Scientific Nebula Filter UHC 2.0-inch

    Explore Scientific
    In stock

    Explore Scientific UHC 2.0-inch Nebula Filter - 310210 Introducing the Explore Scientific 2.0" UHC Nebula Filter, featuring a range from 458nm to 5...

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    Original price $139.99 - Original price $139.99
    Original price
    $139.99
    $139.99 - $139.99
    Current price $139.99
  • Original price $139.99 - Original price $139.99
    Original price
    $139.99
    $139.99 - $139.99
    Current price $139.99

    Explore Scientific Nebula Filter Oxygen III 2.0-inch

    Explore Scientific
    In stock

    Explore Scientific Oxygen III 2.0-inch Nebula Filter - 310200 Presenting the Explore Scientific Nebula Filter 1.25" O-III, with a wavelength range ...

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    Original price $139.99 - Original price $139.99
    Original price
    $139.99
    $139.99 - $139.99
    Current price $139.99
  • Original price $129.99 - Original price $129.99
    Original price
    $129.99
    $129.99 - $129.99
    Current price $129.99

    Explore Scientific Nebula Filter H-Beta 1.25-inch

    Explore Scientific
    In stock

    Explore Scientific H-Beta 1.25-inch Nebula Filter - 310235 Introducing Explore Scientific's 1.25" H-Beta Nebula Filter, with a range from 478nm to...

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    Original price $129.99 - Original price $129.99
    Original price
    $129.99
    $129.99 - $129.99
    Current price $129.99