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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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End Caps and Flanges

  • Original price $90.00 USD - Original price $90.00 USD
    Original price
    $90.00 USD
    $90.00 USD - $90.00 USD
    Current price $90.00 USD

    Howie Glatter 2.0" Parallizer Eyepiece Centering Adapter

    SI-A20-SCT-P

    Introducing the SCT Parallizer®. This new application of Howie Glatter’s patented Parallizer® principle raises the bar for performance. The 2” hol...

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    Original price $90.00 USD - Original price $90.00 USD
    Original price
    $90.00 USD
    $90.00 USD - $90.00 USD
    Current price $90.00 USD
  • Original price $90.00 USD - Original price $90.00 USD
    Original price
    $90.00 USD
    $90.00 USD - $90.00 USD
    Current price $90.00 USD

    Howie Glatter 2.0" to 1.25" Eyepiece Centering Adapter

    SI-EA20-205P

    User InstructionsThere is a misconception that the problem of the cylindrical slip-fit system we use for eyepieces and other optical accessories is...

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    Original price $90.00 USD - Original price $90.00 USD
    Original price
    $90.00 USD
    $90.00 USD - $90.00 USD
    Current price $90.00 USD
  • Original price $90.00 USD - Original price $90.00 USD
    Original price
    $90.00 USD
    $90.00 USD - $90.00 USD
    Current price $90.00 USD

    Howie Glatter T-Adater w/ Parallizer Design

    SI-EA20-205P-T

    T-adapter with Howie Glatter's Parallizer Patent alignment feature allows your image train to stay parallelThere is a misconception that the proble...

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    Original price $90.00 USD - Original price $90.00 USD
    Original price
    $90.00 USD
    $90.00 USD - $90.00 USD
    Current price $90.00 USD