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IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
Starlight Instruments 3.0" Adapter for William Optics 110 Megrez Telescopes
Starlight Instruments 3.0" Adapter for William Optics 110 Megrez Telescopes
Starlight Instruments 3.0" Adapter for William Optics 110 Megrez Telescopes
Starlight Instruments 3.0" Adapter for William Optics 110 Megrez Telescopes

Starlight Instruments 3.0" Adapter for William Optics 110 Megrez Telescopes

by Starlight Instruments
SKU SI-A30-1903-20
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00
Price Match Policy!
  • Connects a 3.0" Feather Touch focuser to a William Optics 110 Megrez
  • Provides a secure, no-flex mounting interface
  • Machined for a precise fit to the optical tube
  • Enables heavy-duty imaging and visual use
  • Manufactured by Starlight Instruments in the USA
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  • Description
  • FAQ
  • Warranty

  • Starlight Instruments 3.0" Adapter for William Optics 110 Megrez Telescopes

    This Starlight Instruments adapter provides the specific threaded interface required to mount a 3.0" Feather Touch focuser onto the optical tube of a William Optics 110 Megrez telescope. It replaces the stock focuser mounting hardware, creating a rigid, zero-flexure connection essential for astrophotography with heavy cameras and accessories.

    A Secure Foundation for a 3.0" Feather Touch Focuser

    Upgrading your telescope's focuser is one of the most significant improvements you can make for imaging. This adapter is the critical first step, enabling the installation of a Starlight Instruments 3.0" Feather Touch focuser on your William Optics 110 Megrez. The adapter is precisely machined to match the telescope's tube, ensuring perfect alignment and stability.

    By providing a solid mechanical base, this adapter allows you to take full advantage of the Feather Touch focuser's capabilities. It eliminates the potential for tilt or sag that can compromise focus with heavy imaging trains, ensuring your stars remain sharp corner-to-corner. This robust connection is the key to unlocking the ultra-precise, repeatable focusing and heavy load capacity that Feather Touch focusers are known for.

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

    This adapter is designed specifically to allow you to remove the stock focuser from a William Optics 110 Megrez telescope and replace it with a high-precision Starlight Instruments 3.0" Feather Touch focuser. It provides the necessary mechanical interface between the telescope tube and the new focuser body.

    Which Feather Touch focuser models are compatible with this adapter for the 110 Megrez?

    This adapter is made for the 3.0" diameter Feather Touch focusers, such as the FTF30xx series. It is not compatible with 2.0", 2.5", or 3.5" Starlight Instruments focusers. Always confirm your focuser model before purchasing an adapter.

    Why should I upgrade the focuser on my William Optics 110 Megrez?

    While the stock focuser on the William Optics 110 Megrez is capable, a Starlight Instruments Feather Touch focuser offers significant advantages for astrophotography:

    • Higher Load Capacity: Securely holds heavy cameras, filter wheels, and off-axis guiders without slipping or flexing.
    • Zero Image Shift: The precision rack-and-pinion or Crayford designs eliminate focus shift, which is critical for sharp images.
    • Fine Focus Control: The 10:1 dual-speed reduction allows for extremely precise focus adjustments, essential for achieving critical focus with modern sensors.
    • Automation Ready: Feather Touch focusers are easily motorized for autofocus routines with systems like the Focuser Boss II.

    Is the installation of this 3.0" adapter a difficult process?

    Installation is typically straightforward for users comfortable with basic hand tools. It involves unthreading the stock focuser assembly from the telescope tube and threading this adapter in its place. The Feather Touch focuser then attaches to the adapter. No permanent modification to your telescope is required.

    Will this adapter allow me to rotate my camera and focuser on the 110 Megrez?

    Yes. Starlight Instruments 3.0" focusers are designed to be fully rotatable. This adapter provides the base, and the focuser itself contains the rotation mechanism, typically locked with several thumbscrews. This allows you to frame your imaging target perfectly without loosening your camera or other accessories.

    Will I need other accessories to use a Feather Touch focuser on my WO 110 Megrez?

    Beyond the 3.0" Feather Touch focuser and this adapter, you may need to consider the total back focus of your imaging train. Depending on your camera, filter wheel, or any reducers/flatteners, you might need extension tubes to reach focus. However, this adapter is the primary component required for the mechanical connection.

  • Starlight Instruments 2-Year Warranty