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  • Original price $109.99 USD - Original price $109.99 USD
    Original price
    $109.99 USD
    $109.99 USD - $109.99 USD
    Current price $109.99 USD

    Explore Scientific Nebula Filter Oxygen III - 1.25"

    ES-310205

    Explore Scientific Nebula Filter Oxygen III - 1.25"

    Original price $109.99 USD - Original price $109.99 USD
    Original price
    $109.99 USD
    $109.99 USD - $109.99 USD
    Current price $109.99 USD
  • Original price $139.99 USD - Original price $139.99 USD
    Original price
    $139.99 USD
    $139.99 USD - $139.99 USD
    Current price $139.99 USD

    Explore Scientific Nebula Filter Oxygen III - 2.0"

    ES-310200

    Explore Scientific Nebula Filter Oxygen III - 2.0"

    Original price $139.99 USD - Original price $139.99 USD
    Original price
    $139.99 USD
    $139.99 USD - $139.99 USD
    Current price $139.99 USD
  • Original price $109.99 USD - Original price $109.99 USD
    Original price
    $109.99 USD
    $109.99 USD - $109.99 USD
    Current price $109.99 USD

    Explore Scientific Nebula Filter UHC - 1.25"

    ES-310215

    Explore Scientific Nebula Filter UHC - 1.25"

    Original price $109.99 USD - Original price $109.99 USD
    Original price
    $109.99 USD
    $109.99 USD - $109.99 USD
    Current price $109.99 USD
  • Original price $139.99 USD - Original price $139.99 USD
    Original price
    $139.99 USD
    $139.99 USD - $139.99 USD
    Current price $139.99 USD

    Explore Scientific Nebula Filter UHC - 2.0"

    ES-310210

    Explore Scientific Nebula Filter UHC - 2.0"

    Original price $139.99 USD - Original price $139.99 USD
    Original price
    $139.99 USD
    $139.99 USD - $139.99 USD
    Current price $139.99 USD
  • Original price $49.99 USD - Original price $49.99 USD
    Original price
    $49.99 USD
    $49.99 USD - $49.99 USD
    Current price $49.99 USD

    Explore Scientific Neutral Density Filter ND 0.9 - 1.25"

    ES-310245

    Explore Scientific Neutral Density Filter ND 0.9 - 1.25"

    Original price $49.99 USD - Original price $49.99 USD
    Original price
    $49.99 USD
    $49.99 USD - $49.99 USD
    Current price $49.99 USD
  • Original price $59.99 USD - Original price $59.99 USD
    Original price
    $59.99 USD
    $59.99 USD - $59.99 USD
    Current price $59.99 USD

    Explore Scientific Neutral Density Filter ND 0.9 - 2"

    ES-310240

    Explore Scientific Neutral Density Filter ND 0.9 - 2"

    Original price $59.99 USD - Original price $59.99 USD
    Original price
    $59.99 USD
    $59.99 USD - $59.99 USD
    Current price $59.99 USD
  • Original price $58.30 USD - Original price $60.50 USD
    Original price
    $58.30 USD - $60.50 USD
    $58.30 USD - $60.50 USD
    Current price $58.30 USD

    Lumicon Neutral Density Filter

    Options available
    2 variants in stock

    ND13Lumicon Neutral Density 13 Filter will tone down the glare from the full Moon and allow more planetary detail than ever! Lumicon ND13 transmits...

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    Original price $58.30 USD - Original price $60.50 USD
    Original price
    $58.30 USD - $60.50 USD
    $58.30 USD - $60.50 USD
    Current price $58.30 USD
  • Original price $25.00 USD - Original price $28.00 USD
    Original price
    $25.00 USD - $28.00 USD
    $25.00 USD - $28.00 USD
    Current price $25.00 USD

    Lunt Polarizing Filter

    Options available

    A Polarizing Filter will help control the brightness of the Sun’s image when using a Lunt White Light Wedge visually. Choose either a 1.25″ or 2″ ...

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    Original price $25.00 USD - Original price $28.00 USD
    Original price
    $25.00 USD - $28.00 USD
    $25.00 USD - $28.00 USD
    Current price $25.00 USD
  • Original price $179.00 USD - Original price $259.00 USD
    Original price
    $179.00 USD - $259.00 USD
    $179.00 USD - $259.00 USD
    Current price $179.00 USD

    Optolong L-Enhance Filter

    Options available
    1 variants in stock

    Optolong L-eNhance is a dual-band pass filter which has been designed for DSLR (digital SLR), color CMOS and monochrome CCD cameras. The convenienc...

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    Original price $179.00 USD - Original price $259.00 USD
    Original price
    $179.00 USD - $259.00 USD
    $179.00 USD - $259.00 USD
    Current price $179.00 USD
  • Original price $239.00 USD - Original price $304.00 USD
    Original price
    $239.00 USD - $304.00 USD
    $239.00 USD - $304.00 USD
    Current price $239.00 USD

    Optolong L-Extreme Filter

    Options available
    1 variants in stock

    L-eXtreme is a two 7nm bandpass filter which can be used with one-shot color cameras like DSLR's (digital SLR), and monochrome CCD cameras, it is a...

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    Original price $239.00 USD - Original price $304.00 USD
    Original price
    $239.00 USD - $304.00 USD
    $239.00 USD - $304.00 USD
    Current price $239.00 USD
  • Original price $149.00 USD - Original price $289.00 USD
    Original price
    $149.00 USD - $289.00 USD
    $149.00 USD - $289.00 USD
    Current price $149.00 USD

    Optolong L-Pro Filter

    Options available
    2 variants in stock

    Optolong L-Pro is multi-bandpass filter which offers better color balance by maximizing the transmission band. The balanced transmission allows ast...

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    Original price $149.00 USD - Original price $289.00 USD
    Original price
    $149.00 USD - $289.00 USD
    $149.00 USD - $289.00 USD
    Current price $149.00 USD
  • Original price $389.00 USD - Original price $389.00 USD
    Original price
    $389.00 USD
    $389.00 USD - $389.00 USD
    Current price $389.00 USD

    Optolong L-Ultimate Filter

    OPT-LULT-2

    It's about a 3nm dual band designed to drastically reduce the effect of light pollution, the 3nm isolates the nebulae's emissions into H-Alpha (red...

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    Original price $389.00 USD - Original price $389.00 USD
    Original price
    $389.00 USD
    $389.00 USD - $389.00 USD
    Current price $389.00 USD
  • Original price $249.00 USD - Original price $359.00 USD
    Original price
    $249.00 USD - $359.00 USD
    $249.00 USD - $359.00 USD
    Current price $249.00 USD

    Optolong LRGB Filter Set

    Options available

    Optolong LRGB filter set is designed for maximum contrast and with extremely high gradients for clear differentiation of colors. The LRGB filter se...

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    Original price $249.00 USD - Original price $359.00 USD
    Original price
    $249.00 USD - $359.00 USD
    $249.00 USD - $359.00 USD
    Current price $249.00 USD
  • Original price $665.00 USD - Original price $1,009.00 USD
    Original price
    $665.00 USD - $1,009.00 USD
    $665.00 USD - $1,009.00 USD
    Current price $665.00 USD

    Optolong LRGB, Ha, OIII & SII Filter Set

    Options available

    Optolong LRGB filter set is designed for maximum contrast and with extremely high gradients for clear differentiation of colors. The LRGB filter se...

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    Original price $665.00 USD - Original price $1,009.00 USD
    Original price
    $665.00 USD - $1,009.00 USD
    $665.00 USD - $1,009.00 USD
    Current price $665.00 USD
  • Original price $55.00 USD - Original price $115.00 USD
    Original price
    $55.00 USD - $115.00 USD
    $55.00 USD - $115.00 USD
    Current price $55.00 USD

    Optolong UHC Filter

    Options available
    1 variants in stock

    Optolong UHC with narrower passband provides higher contrast. Thus it is more suitable for urban environment where you suffer from severe light pol...

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    Original price $55.00 USD - Original price $115.00 USD
    Original price
    $55.00 USD - $115.00 USD
    $55.00 USD - $115.00 USD
    Current price $55.00 USD
  • Original price $44.00 USD - Original price $65.00 USD
    Original price
    $44.00 USD - $65.00 USD
    $44.00 USD - $65.00 USD
    Current price $44.00 USD

    Optolong UV/IR Cut Filter

    Options available
    1 variants in stock

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

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    Original price $44.00 USD - Original price $65.00 USD
    Original price
    $44.00 USD - $65.00 USD
    $44.00 USD - $65.00 USD
    Current price $44.00 USD
  • Original price $50.00 USD - Original price $50.00 USD
    Original price
    $50.00 USD
    $50.00 USD - $50.00 USD
    Current price $50.00 USD

    QHYCCD Expansion Kit for QHY5III462C

    QHY-120001
    1 in stock

    This kit contains a methane filter, an AllSky lens and a lens adapter. It's made for the QHY5III462C camera only.

    Original price $50.00 USD - Original price $50.00 USD
    Original price
    $50.00 USD
    $50.00 USD - $50.00 USD
    Current price $50.00 USD
  • Original price $399.00 USD - Original price $399.00 USD
    Original price
    $399.00 USD
    $399.00 USD - $399.00 USD
    Current price $399.00 USD

    William Optics STC Astro Duo-Narrowband Filter

    WO-YF-STC-ADN

    Dual-bandpass filter for astrophotography Optimized for H-alpha and OIII emission lines Description The William Optics STC Ast...

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    Original price $399.00 USD - Original price $399.00 USD
    Original price
    $399.00 USD
    $399.00 USD - $399.00 USD
    Current price $399.00 USD
  • Original price $198.00 USD - Original price $198.00 USD
    Original price
    $198.00 USD
    $198.00 USD - $198.00 USD
    Current price $198.00 USD

    William Optics STC Ultra Layer Astro Multispectra Filter - 48mm

    WO-YF-STC-M48

    Multi-bandpass filter for astrophotography 48mm thread-on design for easy attachment Description The William Optics STC Ultra ...

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    Original price $198.00 USD - Original price $198.00 USD
    Original price
    $198.00 USD
    $198.00 USD - $198.00 USD
    Current price $198.00 USD
  • Original price $16.00 USD - Original price $39.00 USD
    Original price
    $16.00 USD - $39.00 USD
    $16.00 USD - $39.00 USD
    Current price $16.00 USD

    ZWO AR Protective Window

    Options available

    AR Protective WindowZWO D21 AR protect windowTechnical Parameter:Diameter: 21mmType: AR windowThickness: 1.1mmFlatness: 1/4 λProtect the sensor fro...

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    Original price $16.00 USD - Original price $39.00 USD
    Original price
    $16.00 USD - $39.00 USD
    $16.00 USD - $39.00 USD
    Current price $16.00 USD
  • Original price $99.00 USD - Original price $99.00 USD
    Original price
    $99.00 USD
    $99.00 USD - $99.00 USD
    Current price $99.00 USD

    ZWO CH4 Methane Filter - 20nm 1.25"

    ZWO-CH4
    1 in stock

    The ZWO Methane band (CH4) filter is a special filter for photographical use.Its FWHM is 20nm which is suitable for most IR sensetive color or mono...

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    Original price $99.00 USD - Original price $99.00 USD
    Original price
    $99.00 USD
    $99.00 USD - $99.00 USD
    Current price $99.00 USD
  • Original price $79.00 USD - Original price $149.00 USD
    Original price $79.00 USD - Original price $149.00 USD
    Original price $79.00 USD
    $71.10 USD - $134.10 USD
    $71.10 USD - $134.10 USD
    Current price $71.10 USD

    ZWO Duo-Band Filter

    Options available
    10 variants in stock

    ZWO Duo-Band Filter is a dual narrowband filter primarily aimed at complementing our range of colour ASI cameras. The Duo-Band filter is aimed at t...

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    Original price $79.00 USD - Original price $149.00 USD
    Original price $79.00 USD - Original price $149.00 USD
    Original price $79.00 USD
    $71.10 USD - $134.10 USD
    $71.10 USD - $134.10 USD
    Current price $71.10 USD
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  • Original price $22.00 USD - Original price $22.00 USD
    Original price
    $22.00 USD
    $22.00 USD - $22.00 USD
    Current price $22.00 USD

    ZWO IR 850nm Pass Filter – 1.25"

    ZWO-850IR1-25

    ZWO 1.25″ IR 850nm Pass Filter suitable for IR sensitive cameras. You don’t need to debayer and get the full resolution of this sensor when use it ...

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    Original price $22.00 USD - Original price $22.00 USD
    Original price
    $22.00 USD
    $22.00 USD - $22.00 USD
    Current price $22.00 USD
  • Original price $16.00 USD - Original price $18.00 USD
    Original price
    $16.00 USD - $18.00 USD
    $16.00 USD - $18.00 USD
    Current price $16.00 USD

    ZWO IR-Cut Protective Window

    Options available

    UV IR-CUT Protective WindowZWO D21 UV IR-CUT protect windowTechnical Parameter:Diameter: 21mmType: UV IR-cut windowThickness: 1.1mmFlatness: 1/4 λM...

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    Original price $16.00 USD - Original price $18.00 USD
    Original price
    $16.00 USD - $18.00 USD
    $16.00 USD - $18.00 USD
    Current price $16.00 USD