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Starlight Instruments 3.0" Adapter for William Optics GT102 and The Lunt Engineering LE102

by Starlight Instruments
SKU SI-A30-1903-2
CA$350.00 - CA$350.00
CA$350.00
CA$350.00 - CA$350.00
CA$350.00
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  • Custom-designed for William Optics GT102 and Lunt Engineering LE102 refractors
  • Enables mounting of a Starlight Instruments 3.0" Feather Touch focuser
  • Provides a rigid, non-flexing connection for astrophotography
  • Machined for a precise, direct fit to the optical tube
  • Replaces stock mounting hardware for a premium focuser upgrade
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  • Description
  • FAQ
  • Warranty

  • Starlight Instruments 3.0" Adapter for William Optics GT102 and The Lunt Engineering LE102

    This Starlight Instruments 3.0" Adapter provides the essential, custom-machined interface to upgrade your William Optics GT102 or Lunt Engineering LE102 refractor with a premium Feather Touch 3.0" focuser. It creates a solid, direct-fit mechanical connection, eliminating the potential for flexure that can compromise critical focus during long-exposure imaging.

    A Precision Interface for Your GT102 or LE102 Refractor

    Upgrading to a Feather Touch focuser requires an adapter that matches the specific thread and tube curvature of your telescope. This component is not a generic, one-size-fits-all solution; it is engineered by Starlight Instruments to provide a seamless, rigid link between their 3.0" focusers and the optical tubes of the GT102 and LE102. By ensuring perfect alignment and a no-slip fit, this adapter allows your high-end focuser to deliver the precise, repeatable results it was designed for, especially when carrying heavy imaging trains.

  • What is the purpose of this Starlight Instruments 3.0" adapter?

    This adapter is a custom-machined part that allows you to securely attach a Starlight Instruments 3.0" Feather Touch focuser to the optical tube of either a William Optics GT102 or a Lunt Engineering LE102 refractor. It replaces the telescope's original focuser mounting hardware.

    Will this adapter fit my William Optics GT102 telescope?

    Yes, this adapter is specifically designed for the William Optics GT102. It ensures a perfect mechanical fit, providing the rigidity needed for astrophotography with a heavy camera and filter wheel.

    Can I use this adapter to install a Feather Touch focuser on my Lunt Engineering LE102?

    Yes, this adapter is also designed to be fully compatible with the Lunt Engineering LE102 refractor, allowing you to upgrade from the stock focuser to a Starlight Instruments 3.0" model.

    Why do I need a custom adapter for my GT102 instead of a generic one?

    A custom adapter ensures a perfect, no-flexure connection. Generic adapters can introduce tilt or sag into the optical train, which ruins sharp focus, especially at the corners of an image. This Starlight Instruments adapter is machined for the exact specifications of the GT102 and LE102, guaranteeing optimal alignment and stability.

    Does this adapter allow for focuser rotation on my William Optics GT102?

    The ability to rotate the camera and focuser assembly is a feature of the Starlight Instruments focuser itself, not the adapter. This adapter provides the secure base that allows the focuser's rotation mechanism to function correctly and without wobble on your GT102.

    What focuser model is this adapter designed for?

    This adapter is designed to be used with Starlight Instruments' 3.0" Feather Touch focusers, including both the rack-and-pinion and Crayford models in that size class.

  • Starlight Instruments 2-Year Warranty