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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.

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Starlight Instruments Eyepiece Adapter for Vixen Focal Reducer

SKU SI-EA20-205-60
Original price $110.00 - Original price $110.00
Original price
$110.00
$110.00 - $110.00
Current price $110.00
Price Match Policy!
  • Connects Vixen Focal Reducers to 2.0" eyepiece holders
  • Standard 2.0" barrel diameter for universal compatibility
  • Machined by Starlight Instruments
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  • Description
  • FAQ
  • Warranty
  • Starlight Instruments Eyepiece Adapter for Vixen Focal Reducer

    This Starlight Instruments Eyepiece Adapter is the essential component for connecting a Vixen Focal Reducer to any standard 2.0" focuser, diagonal, or visual back. It provides a secure, precisely machined link, allowing you to use your favorite 2.0" wide-field eyepieces with Vixen's optical systems.

    A 2.0" Connection for Vixen Focal Reducers

    The Vixen Focal Reducer is designed to decrease your telescope's focal ratio, but it often terminates in a proprietary thread. This adapter solves that problem by converting the reducer's output to a standard 2.0" barrel, opening up a world of eyepiece options that would otherwise be incompatible. This exclusive Starlight Instruments part ensures a solid mechanical connection, preventing tilt and maintaining optical alignment for sharp, wide-field views.

  • What does the Starlight Instruments Eyepiece Adapter for Vixen Focal Reducer do?

    This adapter allows you to attach a Vixen Focal Reducer to any standard 2.0" opening, such as a focuser, diagonal, or visual back. This enables you to use 2.0" eyepieces with the focal reducer, achieving wider fields of view.

    Will this Starlight Instruments adapter fit any 2.0" focuser?

    Yes. The adapter features a standard 2.0" barrel, making it compatible with any focuser, visual back, or accessory holder that accepts 2.0" eyepieces.

    Can I use this adapter with reducers other than the Vixen model?

    This adapter is specifically designed for the threads and optical spacing of the Vixen Focal Reducer. It is not intended for use with focal reducers from other manufacturers.

    How does this Starlight adapter help me observe the Andromeda Galaxy (M31) with my Vixen setup?

    By using the Vixen Focal Reducer, you shorten your telescope's effective focal length. This adapter then lets you insert a low-power, 2.0" wide-field eyepiece. The combination provides a significantly larger true field of view, allowing you to frame large objects like the Andromeda Galaxy (M31) or the Pleiades (M45) in a single view.

    What is the benefit of using this adapter with my Vixen Focal Reducer and a 2.0" eyepiece?

    The primary benefit is gaining a wider true field of view. The focal reducer makes your telescope "faster," and the ability to use a 2.0" eyepiece maximizes the amount of sky you can see at one time. This is ideal for observing large nebulae, open clusters, and star fields in the Milky Way.

    Is the Starlight Instruments Vixen Reducer Adapter threaded for 2.0" filters?

    The manufacturer does not specify if this adapter includes standard M48 filter threads. You should assume it is not threaded for filters unless confirmed otherwise.

  • Starlight Instruments 2-Year Warranty