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Spare Parts & Upgrades

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  1. Sirius Optics Cassegrain Finder Scope Base
    AUD $39.00

    In Stock

    • Standard Synta Finder Scope Shoe
    • Dual Retaining Screws
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  2. Socket Cap Bolt 1/4 Inch UNC (20tpi) 3/4 Inch Long
  3. Socket Cap Bolt M4 12mm
    AUD $1.50

    In Stock

  4. Sirius Optics 1.25 Inch to M48 Adapter
  5. Sirius Optics Red Dot Finder Synta Support
  6. Nylon Washer M4
    AUD $0.50

    In Stock

  7. Celestron 1.25 Inch Visual Back for SCT
    AUD $74.99

    In Stock

    • Threads onto the rear of Celestron 5” - 11” Schmidt-Cassegrain telescopes.
    • Accepts any accessory with a 1.25” insert barrel, including diagonals, eyepieces, Barlows, and other adapters
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  8. Spring Washer 1/4 inch Stainless Steel
  9. saxon Counterweight for EQ2 Mount (3.5kg)
    AUD $54.00

    Backorder Available

    Out of stock

    saxon Counterweight for EQ2 Mount (3.5kg)

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  10. Celestron Dielectric Star Diagonal, 2 inch with Twist-lock
    AUD $424.99

    Backorder Available

    Out of stock

    • Enjoy better views through your telescope with this premium diagonal featuring diffraction-limited optics and dielectric coatings
    • Provides a 90° viewing angle, perfect for more comfortable viewing through refractor and Cassegrain-type telescopes
    • 58 layers of dielectric coatings provide an over 99% reflective surface, ensuring the maximum amount of light collected by the telescope reaches the eyepiece
    • Twist-lock keeps the eyepiece centered in the diagonal to provide better optical alignment
    • Includes a stepdown adapter, so the diagonal accepts eyepieces, Barlow lenses, threaded filters, and other accessories in both 2” and 1.25” sizes
    • Two interchangeable adapters allow you to switch between a Schmidt-Cassegrain thread adapter and a 2” barrel adapter so you can use this diagonal with a wide variety of telescopes
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