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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 Quantum H-Alpha 0.3Å PE Solar Filter 0.3 Angstrom
    DayStar Quantum Hydrogen Alpha 0.3Å PE Solar Filter - .3QPE
    $35,990.00 - $35,990.00
    $35,990.00
    $35,990.00 - $35,990.00
    $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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    $35,990.00 - $35,990.00
    $35,990.00
    $35,990.00 - $35,990.00
    $35,990.00
  • 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
    $27,990.00 - $27,990.00
    $27,990.00
    $27,990.00 - $27,990.00
    $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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    $27,990.00 - $27,990.00
    $27,990.00
    $27,990.00 - $27,990.00
    $27,990.00
  • DayStar Quantum H-Alpha 0.5Å PE Solar Filter 0.5 Angstrom
    DayStar Quantum Hydrogen Alpha 0.5A PE Solar Filter - .5QPE
    $21,990.00 - $21,990.00
    $21,990.00
    $21,990.00 - $21,990.00
    $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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    $21,990.00 - $21,990.00
    $21,990.00
    $21,990.00 - $21,990.00
    $21,990.00
  • 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
    $17,990.00 - $17,990.00
    $17,990.00
    $17,990.00 - $17,990.00
    $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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    $17,990.00 - $17,990.00
    $17,990.00
    $17,990.00 - $17,990.00
    $17,990.00
  • Image Captured Using DayStar Quantum Hydrogen Alpha 0.7A PE Solar Filter - .7QPE
    DayStar Quantum Hydrogen Alpha 0.7A PE Solar Filter - .7QPE
    $13,990.00 - $13,990.00
    $13,990.00
    $13,990.00 - $13,990.00
    $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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    $13,990.00 - $13,990.00
    $13,990.00
    $13,990.00 - $13,990.00
    $13,990.00
  • DayStar Quantum H-Alpha 0.7-0.9A SE Solar Filter
    $5,195.00 - $5,195.00
    $5,195.00
    $5,195.00 - $5,195.00
    $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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    $5,195.00 - $5,195.00
    $5,195.00
    $5,195.00 - $5,195.00
    $5,195.00
  • DayStar QUARK Eyepiece Solar Filter - Calcium H - DSZCH
    DayStar QUARK Eyepiece Solar Filter Calcium H Body Side Profile
    Special Order
    $1,295.00 - $1,295.00
    $1,295.00
    $1,295.00 - $1,295.00
    $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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    $1,295.00 - $1,295.00
    $1,295.00
    $1,295.00 - $1,295.00
    $1,295.00
    Special Order
  • DayStar QUARK Eyepiece Solar Filter Magnesium I b2 Line Body Side Profile
    DayStar QUARK Eyepiece Solar Filter - Magnesium I b2 Line
    Special Order
    $1,495.00 - $1,495.00
    $1,495.00
    $1,495.00 - $1,495.00
    $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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    $1,495.00 - $1,495.00
    $1,495.00
    $1,495.00 - $1,495.00
    $1,495.00
    Special Order
  • DayStar QUARK Eyepiece Solar Filter Sodium D Line Lower Body Side Profile
    DayStar QUARK Eyepiece Solar Filter Sodium D Line Upper Body Side Profile
    Special Order
    $1,295.00 - $1,295.00
    $1,295.00
    $1,295.00 - $1,295.00
    $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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    $1,295.00 - $1,295.00
    $1,295.00
    $1,295.00 - $1,295.00
    $1,295.00
    Special Order
  • 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
    Special Order
    $1,295.00 - $1,295.00
    $1,295.00
    $1,295.00 - $1,295.00
    $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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    $1,295.00 - $1,295.00
    $1,295.00
    $1,295.00 - $1,295.00
    $1,295.00
    Special Order
  • 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
    Special Order
    $1,295.00 - $1,295.00
    $1,295.00
    $1,295.00 - $1,295.00
    $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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    $1,295.00 - $1,295.00
    $1,295.00
    $1,295.00 - $1,295.00
    $1,295.00
    Special Order
  • 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
    Special Order
    $1,295.00 - $1,295.00
    $1,295.00
    $1,295.00 - $1,295.00
    $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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    $1,295.00 - $1,295.00
    $1,295.00
    $1,295.00 - $1,295.00
    $1,295.00
    Special Order
  • Image Taken Using a Refractor with DayStar QUARK H-Alpha Eyepiece Solar Filter Gemini
    DayStar QUARK Gemini H-Alpha Eyepiece Solar Filter DSZ4G
    Special Order
    $2,595.00 - $2,595.00
    $2,595.00
    $2,595.00 - $2,595.00
    $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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    $2,595.00 - $2,595.00
    $2,595.00
    $2,595.00 - $2,595.00
    $2,595.00
    Special Order
  • Image Taken Using a Refractor with DayStar QUARK H-Alpha Eyepiece Solar Filter Prominence
    DayStar QUARK H-Alpha Eyepiece Solar Filter Prominence
    Special Order
    $1,295.00 - $1,295.00
    $1,295.00
    $1,295.00 - $1,295.00
    $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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    $1,295.00 - $1,295.00
    $1,295.00
    $1,295.00 - $1,295.00
    $1,295.00
    Special Order
  • Vaonis Vespera Solar Filter Back Profile
    Vaonis Vespera Solar Filter Front Profile
    Sold out
    $149.00 - $149.00
    $149.00
    $149.00 - $149.00
    $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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    $149.00 - $149.00
    $149.00
    $149.00 - $149.00
    $149.00
    Sold out
  • Vaonis Vespera Dual Nebula Band Filter Back Profile
    Vaonis Vespera Dual Nebula Band Filter Front Profile
    Sold out
    $399.00 - $399.00
    $399.00
    $399.00 - $399.00
    $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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    $399.00 - $399.00
    $399.00
    $399.00 - $399.00
    $399.00
    Sold out
  • Lunt Internal Double Stack Module For Lunt 130mm and 152mm Telescopes
    Lunt Internal Double Stack Module For Lunt 130mm and 152mm Telescopes Body
    Special Order
    $3,564.00 - $3,564.00
    $3,564.00
    $3,564.00 - $3,564.00
    $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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    $3,564.00 - $3,564.00
    $3,564.00
    $3,564.00 - $3,564.00
    $3,564.00
    Special Order
  • Lunt LS100FHa 100mm Solar Filter Aperture
    Lunt LS100FHa 100mm Solar Filter
    Special Order
    $6,561.00 - $6,561.00
    $6,561.00
    $6,561.00 - $6,561.00
    $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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    $6,561.00 - $6,561.00
    $6,561.00
    $6,561.00 - $6,561.00
    $6,561.00
    Special Order
  • Lunt Front Mount 50mm Double Stack Solar Filter Aperture
    Lunt Front Mount 50mm Double Stack Solar Filter
    Special Order
    $1,188.00 - $1,188.00
    $1,188.00
    $1,188.00 - $1,188.00
    $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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    $1,188.00 - $1,188.00
    $1,188.00
    $1,188.00 - $1,188.00
    $1,188.00
    Special Order
  • Explore Scientific Nebula Filter H-Beta 2.0-inch
    Explore Scientific Nebula Filter H-Beta 2.0-inch with Box
    $179.99 - $179.99
    $179.99
    $179.99 - $179.99
    $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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    $179.99 - $179.99
    $179.99
    $179.99 - $179.99
    $179.99
  • Explore Scientific Nebula Filter CLS 2.0-inch
    Explore Scientific Nebula Filter CLS 2.0-inch with Box
    $119.99 - $119.99
    $119.99
    $119.99 - $119.99
    $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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    $119.99 - $119.99
    $119.99
    $119.99 - $119.99
    $119.99
  • Explore Scientific Nebula Filter UHC 2.0-inch
    Explore Scientific Nebula Filter UHC 2.0-inch with Box
    $139.99 - $139.99
    $139.99
    $139.99 - $139.99
    $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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    $139.99 - $139.99
    $139.99
    $139.99 - $139.99
    $139.99
  • Explore Scientific Nebula Filter Oxygen III 2.0-inch
    Explore Scientific Nebula Filter Oxygen III 2.0-inch with Box
    $139.99 - $139.99
    $139.99
    $139.99 - $139.99
    $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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    $139.99 - $139.99
    $139.99
    $139.99 - $139.99
    $139.99
  • Explore Scientific Nebula Filter H-Beta 1.25-inch
    Explore Scientific Nebula Filter H-Beta 1.25-inch with Box
    $129.99 - $129.99
    $129.99
    $129.99 - $129.99
    $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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    $129.99 - $129.99
    $129.99
    $129.99 - $129.99
    $129.99