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Until May 2nd, 2025, orders under US$800 will not incur any duties or taxes upon delivery. Please note that orders under US$800 crossing the Canada-USA border after this date will be subject to duties. They will be billed by the carrier, and you will be responsible to pay them. Prioritize ordering items that are in stock!
Until May 2nd, 2025, orders under US$800 will not incur any duties or taxes upon delivery. Please note that orders under US$800 crossing the Canada-USA border after this date will be subject to duties. They will be billed by the carrier, and you will be responsible to pay them. Prioritize ordering items that are in stock!

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    $273.02 USD
    $273.02 USD - $273.02 USD
    $273.02 USD
    $230.09 USD
    $230.09 USD - $230.09 USD
    $230.09 USD

    Baader 4nm 1.25" Ultra-Narrowband OIII Filter - CMOS-Optimized (USED)

    BAA-2961400-125-USED
    Only 1 left!

    In perfect condition, used Baader H-alpha / O-III / S-II Ultra-Narrowband (Narrowband) filter set - Premium Grade 3.5 / 4 nm half width (to harmo...

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    $273.02 USD
    $273.02 USD - $273.02 USD
    $273.02 USD
    $230.09 USD
    $230.09 USD - $230.09 USD
    $230.09 USD
    Save 16% Save %
  • Save 6% Save %
    $186.47 USD
    $186.47 USD - $186.47 USD
    $186.47 USD
    $174.51 USD
    $174.51 USD - $174.51 USD
    $174.51 USD

    Baader 6.5nm 36mm H-alpha Filter - CMOS-Optimized (OPEN BOX)

    BAA-2961100-36-OPENBOX
    Only 1 left!

    In perfect condition, open box Baader H-alpha / O-III / S-II Narrowband Filter Set - Precision Grade 6.5 nm FWHM, recommended for optical systems...

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    $186.47 USD
    $186.47 USD - $186.47 USD
    $186.47 USD
    $174.51 USD
    $174.51 USD - $174.51 USD
    $174.51 USD
    Save 6% Save %
  • Save 31% Save %
    $295.53 USD
    $295.53 USD - $295.53 USD
    $295.53 USD
    $202.65 USD
    $202.65 USD - $202.65 USD
    $202.65 USD

    Baader CCD LRGB 31mm Unmounted Filter Set (OPEN BOX)

    BAA-2459474-OPENBOX
    Only 1 left!

    In perfect condition, open box Filter size 31 mm - round, unmounted - filter thickness 2 mm Set of L-R-G-B filters High-quality anti-reflective ...

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    $295.53 USD
    $295.53 USD - $295.53 USD
    $295.53 USD
    $202.65 USD
    $202.65 USD - $202.65 USD
    $202.65 USD
    Save 31% Save %