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Optec Astro-Physics 2.7x24tpi Extension Tubes

SKU : OP-19883

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  • More on the Way in 14 - 28 Days

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Spacer Lengths:

  • 0.5-inch
  • 0.75-inch
  • 1-inch
  • 1.5-inch
  • 3-inch
  • 4-Piece Set: 1 each of the 0.5-inch, 0.75-inch, 1-inch, and 1.5-inches
  • 5-Piece Set: 1 each of the 0.5-inch, 0.75-inch, 1-inch, 1.5-inches, and 3-inches 

 

Product Details

  • These Optec extension tubes are made to fit an Astro-Physics 2.7-inch connection; these spacers will add either 0.5-inch, 0.75-inch, 1-inch, 1.5-inch, or 3-inch to your path length. 

    Each spacer has a clear aperture of 2.52-inches (64 mm) and threads on with 24tpi.

     

    These two sets are listed on the size tab:

    - - The 4-Piece set includes 1 each of the 0.5-inch, 0.75-inch, 1-inch, and 1.5-inch spacer lengths.

    - - The 5-Piece set includes 1 each of the 0.5-inch, 0.75-inch, 1-inch, 1.5-inch, and 3-inch spacer lengths. 

     

  • specifications

    Back Focus12.7mm
    Back Focus19.1mm
    Back Focus38.1mm
    Back Focus76.2mm
    Camera Side ConnectionMale 2.7x24tpi
    Telescope Side ConnectionFemale 2.7x24tpi
  • included items

    Spacer Lengths:

    • 0.5-inch
    • 0.75-inch
    • 1-inch
    • 1.5-inch
    • 3-inch
    • 4-Piece Set: 1 each of the 0.5-inch, 0.75-inch, 1-inch, and 1.5-inches
    • 5-Piece Set: 1 each of the 0.5-inch, 0.75-inch, 1-inch, 1.5-inches, and 3-inches 

     

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