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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 Eyepiece Adapter for Leica Eyepiece

by Starlight Instruments
SKU SI-EA20-EP2-L-37
$270.00 - $270.00
$270.00
$270.00 - $270.00
$270.00
Price Match Policy!
  • Adapts select Leica eyepieces for astronomical use
  • Precision-machined by Starlight Instruments for a secure fit
  • Enables use of premium spotting scope optics on telescopes
  • Designed to integrate into a standard astronomy focuser
  • Durable, high-grade construction for long-term reliability
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  • Description
  • FAQ
  • Warranty

  • Starlight Instruments Eyepiece Adapter for Leica Eyepiece

    This Starlight Instruments Eyepiece Adapter bridges the gap between world-class terrestrial optics and astronomical observing. It allows you to connect specific Leica eyepieces, renowned for their exceptional sharpness and contrast, directly to your telescope's focuser. This custom-machined component provides a secure, perfectly aligned optical path, enabling you to leverage your investment in premium Leica glass for celestial viewing.

    Unlocking Leica Eyepieces for Astronomical Use

    Leica eyepieces, often designed for their high-end spotting scopes, feature proprietary mounting systems incompatible with standard 1.25" or 2" telescope focusers. This adapter solves that problem. Machined with the same precision as their Feather Touch focusers, Starlight Instruments ensures a zero-flexure connection that maintains the optical alignment critical for high-magnification views of planets and the Moon.

    By using this adapter, you can experience the high-contrast, color-pure views of a Leica eyepiece across the night sky. The build quality reflects Starlight Instruments' reputation, featuring robust materials and a design that protects your valuable eyepiece while holding it securely in the optical train.

  • What is the primary purpose of the Starlight Instruments Adapter for Leica Eyepieces?

    This adapter is designed to connect a Leica eyepiece, typically from a high-end spotting scope, to a standard telescope focuser. It allows observers who own premium Leica optics to use them for astronomical viewing, leveraging their exceptional optical quality on celestial objects.

    How would using a Leica eyepiece with this adapter affect views of the Moon or Jupiter?

    Leica optics are known for their outstanding sharpness, contrast, and neutral color transmission. When properly adapted to a quality telescope, you can expect to see extremely fine details, such as subtle banding on Jupiter's cloud tops or minute features within lunar craters. The adapter's precise machining ensures the optical quality is maintained.

    I have a Leica APO-Televid spotting scope. Can I use its eyepiece on my Takahashi refractor with this adapter?

    This adapter is designed for specific Leica eyepiece models. You must first confirm the exact mount type of your APO-Televid eyepiece and verify that it matches this adapter's intended connection. Secondly, you must ensure the adapter's barrel size (typically 2") is compatible with your Takahashi's focuser. Compatibility must be verified for both the eyepiece and the telescope.

    What focuser size does the Starlight Instruments Leica Adapter fit into?

    While specifications are not provided, Starlight Instruments typically designs high-end accessories for 2-inch focusers to ensure maximum stability and compatibility with their own product lines. We strongly recommend confirming the barrel size of the adapter and your focuser before purchasing.

    Why should I trust a Starlight Instruments adapter with my expensive Leica eyepiece?

    Starlight Instruments is a world-renowned manufacturer of high-precision astronomical equipment, most notably their Feather Touch focusers. Their products are machined in-house in the USA to extremely high tolerances. This adapter is built to the same standard, ensuring a secure, non-marring fit that protects your investment while providing a rigid optical connection.

    Will adapting a spotting scope eyepiece affect optical performance on a telescope?

    While Leica eyepieces are optically superb, they are designed for a specific optical system (a spotting scope). While they generally perform very well in telescopes, there can sometimes be minor edge-of-field aberrations depending on the telescope's focal ratio. However, the on-axis sharpness and contrast are typically exceptional.

  • Starlight Instruments 2-Year Warranty