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Starlight Instruments 2.0" Adapter for GSO Carbon Truss Newtonian

by Starlight Instruments
SKU SI-A20-305
CA$224.00 - CA$224.00
CA$224.00
CA$224.00 - CA$224.00
CA$224.00
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  • Enables Installation of 2.0" Feather Touch Focusers
  • Custom-Designed for GSO Carbon Truss Newtonians
  • Two-Piece Design Utilizes Stock Mounting Plate
  • Requires No Drilling or Permanent Tube Modification
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  • Description
  • FAQ
  • Warranty

  • Starlight Instruments 2.0" Adapter for GSO Carbon Truss Newtonian

    This Starlight Instruments 2.0" Adapter is specifically engineered to mount a 2.0" Feather Touch focuser onto a GSO Carbon Truss Newtonian without modification. The two-piece assembly cleverly utilizes the stock rectangular base plate, creating a rigid connection that avoids the need to drill permanent new holes in your carbon fiber tube.

    2-Piece Design for a No-Drill Installation

    Upgrading a focuser often means drilling into your telescope tube—a permanent modification many astronomers are hesitant to make. This adapter solves that problem with a unique design where a bottom ring installs underneath the stock base plate, securely attaching to the top ring. This creates a solid, stable platform for your new 2.0" focuser while preserving the original state of your GSO Carbon Truss Newtonian.

  • What is the main benefit of using the Starlight Instruments 2.0" Adapter for my GSO Carbon Truss Newtonian?

    The primary benefit is that it allows you to upgrade to a high-precision 2.0" Starlight Instruments Feather Touch focuser without drilling any new holes in your telescope's tube. It uses the existing factory mounting plate for a clean, reversible installation.

    How does this GSO adapter achieve a no-drill installation?

    The adapter consists of two interlocking pieces. A bottom ring is placed underneath your GSO's stock rectangular base plate, and the top ring attaches to it from above. This sandwiches the original plate, creating a secure mounting point for the new focuser.

    I'm planning to install a Feather Touch FTF2015BCR-LW on my GSO Carbon Truss. Is this the right adapter?

    Yes, this is the correct adapter to mount a 2.0" Starlight Instruments focuser like the FTF2015BCR-LW onto a GSO Carbon Truss Newtonian. Its design ensures a secure fit using the telescope's original mounting points without requiring you to drill into the tube.

    I want to upgrade the stock focuser on my GSO 10" Carbon Truss for astrophotography. Is this the right adapter?

    Yes. If you are installing a 2.0" Starlight Instruments focuser on your GSO 10" Carbon Truss, this adapter provides the correct mechanical interface. A Feather Touch focuser is a critical upgrade for astrophotography, eliminating image shift and allowing for precise, repeatable focus.

    Is this adapter compatible with any telescope other than the GSO Carbon Truss Newtonian?

    No, this adapter is custom-designed specifically for the mounting pattern and hardware of the GSO Carbon Truss Newtonian series. It is not intended for use with other telescope models.

    Does this adapter add significant height to the focuser on my GSO Carbon Truss Newtonian?

    The adapter is designed to be as low-profile as possible while providing a secure mounting solution. However, any adapter will add some height compared to a focuser mounted directly to the tube. You should ensure you have sufficient focuser in-travel to reach focus with your eyepieces and camera.

  • Starlight Instruments 2-Year Warranty