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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 2.0" Adapter for Vixen ED103
Starlight Instruments 2.0" Adapter for Vixen ED103

Starlight Instruments 2.0" Adapter for Vixen ED103

by Starlight Instruments
SKU SI-A20-231
$120.00 - $120.00
$120.00
$120.00 - $120.00
$120.00
Price Match Policy!
  • Attaches Starlight Instruments 2.0" focusers to Vixen ED103 refractors
  • Precision-machined aluminum for a secure, no-flexure connection
  • Enables a critical focusing upgrade for serious astrophotography
  • Replaces the stock focuser using the telescope's existing threads
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  • Description
  • FAQ
  • Warranty

  • Starlight Instruments 2.0" Adapter for Vixen ED103

    This Starlight Instruments adapter is precisely engineered to connect a 2.0-inch Feather Touch focuser to the optical tube of the Vixen ED103 refractor. It provides a secure, non-flexing mounting point for any Starlight Instruments 2.0-inch focuser, directly replacing the telescope's stock unit. By enabling this critical upgrade, you can equip your Vixen ED103 with a professional-grade 2.0-inch focusing system for demanding astrophotography and visual work.

    Upgrade Your Vixen ED103 with a Feather Touch Focuser

    The Vixen ED103 is a capable optical instrument, but for astrophotography, the stock focuser can be a source of flexure and image shift. This adapter is the essential component for replacing it with a Starlight Instruments 2.0" Feather Touch focuser, transforming the stability and precision of your imaging setup. A Feather Touch focuser (sold separately) provides the rigidity and fine control needed to achieve critical focus with heavy cameras and filter wheels.

    • Rock-Solid Imaging Platform: Eliminates the potential for tilt and movement that can ruin long exposures, ensuring your camera stays perfectly orthogonal to the optical axis.
    • Ultra-Fine Focus Control: Enables the use of a dual-speed Feather Touch focuser, allowing for the minute adjustments necessary to snap stars into perfect points, especially at high magnification.
    • Heavy Payload Capacity: Provides a robust mechanical connection capable of supporting a full imaging train, including a CCD or DSLR camera, off-axis guider, and filter wheel, without sagging.

  • What is the purpose of the Starlight Instruments 2.0" Adapter for the Vixen ED103?

    This adapter serves as the physical connection between the optical tube of a Vixen ED103 refractor and a 2.0" Starlight Instruments Feather Touch focuser. It allows you to remove the telescope's original stock focuser and replace it with a high-precision, heavy-duty Starlight Instruments model.

    Which focusers are compatible with this Vixen ED103 adapter?

    This adapter is designed to work with Starlight Instruments' 2.0" focusers, such as the Feather Touch FTF20xx series. It provides the correct threading and spacing to securely mount these focusers onto the Vixen ED103 optical tube.

    Why should I upgrade the stock focuser on my Vixen ED103 using this adapter?

    Upgrading to a Feather Touch focuser via this adapter provides significant benefits for astrophotography. It offers superior load-bearing capacity for heavy cameras, eliminates image shift, and provides ultra-fine, dual-speed focusing control for achieving perfectly sharp stars. The stock focuser may not offer the same level of rigidity or precision.

    Will this adapter help me achieve better focus on Jupiter with my Vixen ED103?

    Yes. While the adapter itself does not focus, it enables the use of a Feather Touch focuser with 10:1 fine-focus control. This level of precision is crucial for high-magnification planetary viewing of objects like Jupiter and Saturn, where achieving critical focus with a standard focuser can be difficult.

    I want to image the Orion Nebula (M42) with my Vixen ED103 and a heavy camera. Is this adapter necessary?

    Yes, for serious deep-sky imaging with a heavy setup, this adapter is a fundamental part of the upgrade. It creates a solid, non-flexing foundation for a robust focuser that can support the weight of a DSLR or dedicated astronomy camera, filter wheel, and guider without tilting or sagging during a long exposure on the Orion Nebula (M42).

    Is installing this Starlight Instruments adapter on a Vixen ED103 difficult?

    Installation is typically straightforward for those comfortable with their equipment. It generally involves unthreading the entire stock focuser assembly from the rear of the optical tube and carefully threading this adapter in its place. Once the adapter is secure, the new Starlight Instruments focuser can be installed onto it.

  • Starlight Instruments 2-Year Warranty