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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 $25,726.00 - Original price $25,726.00
    Original price
    $25,726.00
    $25,726.00 - $25,726.00
    Current price $25,726.00

    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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    Original price $25,726.00 - Original price $25,726.00
    Original price
    $25,726.00
    $25,726.00 - $25,726.00
    Current price $25,726.00
  • Original price $25,726.00 - Original price $25,726.00
    Original price
    $25,726.00
    $25,726.00 - $25,726.00
    Current price $25,726.00

    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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    Original price $25,726.00 - Original price $25,726.00
    Original price
    $25,726.00
    $25,726.00 - $25,726.00
    Current price $25,726.00
  • Original price $20,006.00 - Original price $20,006.00
    Original price
    $20,006.00
    $20,006.00 - $20,006.00
    Current price $20,006.00

    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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    Original price $20,006.00 - Original price $20,006.00
    Original price
    $20,006.00
    $20,006.00 - $20,006.00
    Current price $20,006.00
  • Original price $51,466.00 - Original price $51,466.00
    Original price
    $51,466.00
    $51,466.00 - $51,466.00
    Current price $51,466.00

    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 $51,466.00 - Original price $51,466.00
    Original price
    $51,466.00
    $51,466.00 - $51,466.00
    Current price $51,466.00
  • Original price $40,026.00 - Original price $40,026.00
    Original price
    $40,026.00
    $40,026.00 - $40,026.00
    Current price $40,026.00

    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 $40,026.00 - Original price $40,026.00
    Original price
    $40,026.00
    $40,026.00 - $40,026.00
    Current price $40,026.00
  • Original price $31,446.00 - Original price $31,446.00
    Original price
    $31,446.00
    $31,446.00 - $31,446.00
    Current price $31,446.00

    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 $31,446.00 - Original price $31,446.00
    Original price
    $31,446.00
    $31,446.00 - $31,446.00
    Current price $31,446.00
  • Original price $25,726.00 - Original price $25,726.00
    Original price
    $25,726.00
    $25,726.00 - $25,726.00
    Current price $25,726.00

    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 $25,726.00 - Original price $25,726.00
    Original price
    $25,726.00
    $25,726.00 - $25,726.00
    Current price $25,726.00
  • Original price $20,006.00 - Original price $20,006.00
    Original price
    $20,006.00
    $20,006.00 - $20,006.00
    Current price $20,006.00

    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 $20,006.00 - Original price $20,006.00
    Original price
    $20,006.00
    $20,006.00 - $20,006.00
    Current price $20,006.00
  • Original price $7,429.00 - Original price $7,429.00
    Original price
    $7,429.00
    $7,429.00 - $7,429.00
    Current price $7,429.00

    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 $7,429.00 - Original price $7,429.00
    Original price
    $7,429.00
    $7,429.00 - $7,429.00
    Current price $7,429.00
  • Original price $1,852.00 - Original price $1,852.00
    Original price
    $1,852.00
    $1,852.00 - $1,852.00
    Current price $1,852.00

    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 $1,852.00 - Original price $1,852.00
    Original price
    $1,852.00
    $1,852.00 - $1,852.00
    Current price $1,852.00
    Special Order
  • Original price $2,138.00 - Original price $2,138.00
    Original price
    $2,138.00
    $2,138.00 - $2,138.00
    Current price $2,138.00

    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 $2,138.00 - Original price $2,138.00
    Original price
    $2,138.00
    $2,138.00 - $2,138.00
    Current price $2,138.00
    Special Order
  • Original price $1,852.00 - Original price $1,852.00
    Original price
    $1,852.00
    $1,852.00 - $1,852.00
    Current price $1,852.00

    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 $1,852.00 - Original price $1,852.00
    Original price
    $1,852.00
    $1,852.00 - $1,852.00
    Current price $1,852.00
    Special Order
  • Original price $1,852.00 - Original price $1,852.00
    Original price
    $1,852.00
    $1,852.00 - $1,852.00
    Current price $1,852.00

    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 $1,852.00 - Original price $1,852.00
    Original price
    $1,852.00
    $1,852.00 - $1,852.00
    Current price $1,852.00
    Special Order
  • Original price $1,852.00 - Original price $1,852.00
    Original price
    $1,852.00
    $1,852.00 - $1,852.00
    Current price $1,852.00

    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 $1,852.00 - Original price $1,852.00
    Original price
    $1,852.00
    $1,852.00 - $1,852.00
    Current price $1,852.00
    Special Order
  • Original price $1,852.00 - Original price $1,852.00
    Original price
    $1,852.00
    $1,852.00 - $1,852.00
    Current price $1,852.00

    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 $1,852.00 - Original price $1,852.00
    Original price
    $1,852.00
    $1,852.00 - $1,852.00
    Current price $1,852.00
    Special Order
  • Original price $3,711.00 - Original price $3,711.00
    Original price
    $3,711.00
    $3,711.00 - $3,711.00
    Current price $3,711.00

    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 $3,711.00 - Original price $3,711.00
    Original price
    $3,711.00
    $3,711.00 - $3,711.00
    Current price $3,711.00
    Special Order
  • Original price $1,852.00 - Original price $1,852.00
    Original price
    $1,852.00
    $1,852.00 - $1,852.00
    Current price $1,852.00

    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 $1,852.00 - Original price $1,852.00
    Original price
    $1,852.00
    $1,852.00 - $1,852.00
    Current price $1,852.00
    Special Order
  • Original price $256.00 - Original price $256.00
    Original price
    $256.00
    $256.00 - $256.00
    Current price $256.00

    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 $256.00 - Original price $256.00
    Original price
    $256.00
    $256.00 - $256.00
    Current price $256.00
    Sold out
  • Original price $571.00 - Original price $571.00
    Original price
    $571.00
    $571.00 - $571.00
    Current price $571.00

    Vaonis Vespera Dual Nebula Band Filter

    Vaonis
    In 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 $571.00 - Original price $571.00
    Original price
    $571.00
    $571.00 - $571.00
    Current price $571.00
  • Original price $5,097.00 - Original price $5,097.00
    Original price
    $5,097.00
    $5,097.00 - $5,097.00
    Current price $5,097.00

    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 $5,097.00 - Original price $5,097.00
    Original price
    $5,097.00
    $5,097.00 - $5,097.00
    Current price $5,097.00
    Special Order
  • Original price $9,383.00 - Original price $9,383.00
    Original price
    $9,383.00
    $9,383.00 - $9,383.00
    Current price $9,383.00

    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 ex...

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    Original price $9,383.00 - Original price $9,383.00
    Original price
    $9,383.00
    $9,383.00 - $9,383.00
    Current price $9,383.00
    Special Order
  • Original price $1,699.00 - Original price $1,699.00
    Original price
    $1,699.00
    $1,699.00 - $1,699.00
    Current price $1,699.00

    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 $1,699.00 - Original price $1,699.00
    Original price
    $1,699.00
    $1,699.00 - $1,699.00
    Current price $1,699.00
    Special Order
  • Original price $258.00 - Original price $258.00
    Original price
    $258.00
    $258.00 - $258.00
    Current price $258.00

    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 $258.00 - Original price $258.00
    Original price
    $258.00
    $258.00 - $258.00
    Current price $258.00
  • Original price $172.00 - Original price $172.00
    Original price
    $172.00
    $172.00 - $172.00
    Current price $172.00

    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 $172.00 - Original price $172.00
    Original price
    $172.00
    $172.00 - $172.00
    Current price $172.00