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 2.5" Adapter for Vixen VC200L/VMC200L Telescopes

Starlight Instruments 2.5" Adapter for Vixen VC200L/VMC200L Telescopes

by Starlight Instruments
SKU SI-A25-2003-10
$270.00 - $270.00
$270.00
$270.00 - $270.00
$270.00
Price Match Policy!
  • Connects 2.5" Feather Touch Focusers to Vixen VC200L & VMC200L Telescopes
  • Precision-Machined for a Secure, No-Flexure Fit
  • Enables a Critical Focusing Upgrade for Astrophotography
  • Designed for Starlight Instruments FTF2515B-A Focuser
Backordered
Request Stock Alert
Availability Info
Qualifies for FREE Shipping in CONUS on orders over $350.
  • Description
  • FAQ
  • Specifications
  • In the Box
  • Warranty

  • Starlight Instruments 2.5" Adapter for Vixen VC200L/VMC200L Telescopes

    This Starlight Instruments 2.5" Adapter provides a robust, precision-machined connection between your Vixen VC200L or VMC200L telescope and a 2.5" Feather Touch focuser. It enables a critical upgrade path, allowing you to replace the stock focuser with a high-payload, zero-image-shift 2.5" system like the FTF2515B-A for serious astrophotography.

    Upgrade Your Vixen VC200L/VMC200L with a 2.5" Feather Touch Focuser

    This adapter is the key to unlocking the full imaging potential of your Vixen telescope. Machined in-house by Starlight Instruments from high-grade aluminum, it creates a solid, direct-threaded connection to the rear cell of the VC200L and VMC200L, ensuring perfect alignment with your optical axis. This purpose-built component is designed specifically for mounting a 2.5" Feather Touch focuser, such as the FTF2515B-A, replacing the telescope's original focusing mechanism entirely.

    Eliminating Image Shift for Critical Astrophotography

    The primary reason to upgrade the focuser on a catadioptric telescope is to eliminate the image shift inherent in moving-mirror focus systems. By installing a high-end external focuser like a Feather Touch, you bypass the stock mechanism completely. This adapter facilitates that change, allowing you to achieve repeatable, razor-sharp focus with heavy cameras and filter wheels without any unwanted movement of the target star during fine adjustments.

  • What is the purpose of this Starlight Instruments adapter for the Vixen VC200L?

    This adapter allows you to remove the stock focuser from a Vixen VC200L or VMC200L telescope and replace it with a superior 2.5" Starlight Instruments Feather Touch focuser. This is a common and highly effective upgrade for astrophotography.

    Which specific Starlight Instruments focuser is this adapter designed for?

    This adapter is designed to be used with a 2.5" Feather Touch focuser, specifically the Starlight Instruments FTF2515B-A model. It provides the correct threading and spacing to mount this focuser securely to the telescope's rear cell.

    Will this adapter improve my astrophotography with a Vixen VMC200L?

    Yes, indirectly. The adapter itself is a mechanical part, but by enabling the use of a Feather Touch focuser, it solves one of the biggest challenges with the VMC200L for imaging: image shift. A rack-and-pinion Feather Touch focuser eliminates this issue and can handle much heavier camera payloads without flexure, leading to sharper stars and more reliable autofocusing routines.

    Why should I replace the stock focuser on my Vixen telescope?

    Upgrading to a Starlight Instruments Feather Touch focuser provides several key advantages over the stock unit:

    • Zero Image Shift: The external rack-and-pinion design doesn't move the primary mirror, so your target stays perfectly centered while focusing.
    • Higher Load Capacity: Securely holds heavy imaging trains, including CCD cameras, filter wheels, and off-axis guiders.
    • Dual-Speed Fine Focus: Offers extremely precise control for achieving critical focus, which is essential for high-resolution imaging.

    Is installation of this adapter and a new focuser difficult?

    Installation is straightforward for users comfortable with basic telescope hardware adjustments. It typically involves unthreading the stock focuser assembly from the telescope's rear cell and threading this adapter in its place. The new Feather Touch focuser then attaches to the adapter. Starlight Instruments components are machined to precise tolerances for an exact fit.

    Does this adapter allow the focuser to rotate for framing targets like the Orion Nebula (M42)?

    Yes. When used with a rotatable focuser like the Starlight Instruments FTF2515B-A, this adapter allows the entire focuser and attached camera to be rotated a full 360 degrees. This is essential for properly framing large targets like the Orion Nebula (M42) or the Andromeda Galaxy (M31) without having to rotate the entire optical tube in its rings.

  • Telescope Compatibility Vixen VC200L, Vixen VMC200L
    Focuser Compatibility Starlight Instruments 2.5" Feather Touch Focusers (e.g., FTF2515B-A)
    Material Black Anodized Aluminum

    • 2.5" Adapter for Vixen VC200L/VMC200L Telescopes

      × 1

  • Starlight Instruments 2-Year Warranty