Skip to content
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 Sky-Watcher Esprit 120 and 150mm Telescope

by Starlight Instruments
SKU SI-A30-1903-103
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00
Price Match Policy!
  • Direct Fit for Esprit 120 & 150: Custom-engineered to thread directly onto the optical tube of the Sky-Watcher Esprit 120mm and 150mm apochromatic refractors.
  • 3.0" Feather Touch Integration: Allows the use of Starlight Instruments' 3.0" series focusers, providing a significant upgrade in load capacity and focusing precision.
  • Zero-Flexure Design: Machined from a single piece of high-grade aluminum to ensure a rigid, stable connection between the telescope and heavy imaging payloads.
  • Made in the USA: Precision crafted by Starlight Instruments in their US facility, ensuring exacting tolerances and lasting durability.
Backordered
Request Stock Alert
Availability Info
Qualifies for FREE Shipping in CONUS on orders over $350.
  • Description
  • FAQ
  • Warranty

  • Starlight Instruments 3.0" Adapter for Sky-Watcher Esprit 120 and 150mm Telescope

    The Starlight Instruments 3.0" Adapter for Sky-Watcher Esprit 120 and 150mm Telescope provides the essential, high-precision mechanical interface to upgrade your refractor with a large-format 3.0" Feather Touch focuser.

    Upgrade Your Esprit 120/150 with a 3.0" Feather Touch Focuser

    While the Sky-Watcher Esprit 120mm and 150mm are premium instruments, this adapter enables a critical upgrade by allowing the installation of a Starlight Instruments 3.0" Feather Touch focuser. This change is essential for astrophotographers whose heavy imaging trains demand the superior load capacity and fine control of a Feather Touch.

    Machined with the exceptional precision Starlight Instruments is known for, the adapter creates a solid, threaded connection that eliminates the potential for tilt or flexure. This ensures that your entire optical train remains perfectly collimated, preserving the flat-field, color-corrected performance of your Esprit refractor.

  • What is the purpose of the Starlight Instruments adapter for the Sky-Watcher Esprit 120/150?

    This adapter is a custom-machined component that allows you to replace the stock focuser on a Sky-Watcher Esprit 120mm or 150mm telescope with a larger, more robust 3.0" Starlight Instruments Feather Touch focuser.

    Will this adapter fit any other Sky-Watcher telescopes?

    No, this adapter is specifically designed for the thread pattern and mechanical interface of the Sky-Watcher Esprit 120mm and 150mm models. It is not compatible with other telescopes.

    Why would I replace the stock focuser on my Esprit 120 with a Feather Touch?

    Upgrading to a 3.0" Feather Touch focuser provides significantly higher load capacity and finer focusing precision. This is crucial for serious astrophotography with heavy equipment like large sensor cameras, filter wheels, and rotators, where the stock focuser might introduce flexure or slipping.

    Does this adapter cause any flexure with a heavy camera on my Esprit 150?

    No. The adapter is precision-machined from solid aluminum by Starlight Instruments to create a rigid, zero-flexure connection. It is designed to maintain the stability of the imaging train, even with heavy payloads, ensuring your optics remain perfectly aligned.

    How is the Starlight Instruments adapter installed on the Esprit telescope?

    Installation is straightforward. You first unthread and remove the stock focuser from the rear of the Esprit's optical tube. This adapter then threads directly onto the exposed telescope threads, providing the correct mounting point for your 3.0" Feather Touch focuser.

    Is this adapter compatible with both visual observing and astrophotography?

    Yes. While the primary benefit is for astrophotography due to the increased load capacity, the superior smoothness and precision of a Feather Touch focuser also enhances the visual observing experience, especially at high magnifications.

  • Starlight Instruments 2-Year Warranty