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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.
Starlight Instruments 2.0" Adapter for Takahashi CN212 and MEWLON 180, 210 and 250 NON CRS Telescopes
Starlight Instruments 2.0" Adapter for Takahashi CN212 and MEWLON 180, 210 and 250 NON CRS Telescopes
Starlight Instruments 2.0" Adapter for Takahashi CN212 and MEWLON 180, 210 and 250 NON CRS Telescopes
Starlight Instruments 2.0" Adapter for Takahashi CN212 and MEWLON 180, 210 and 250 NON CRS Telescopes
Starlight Instruments 2.0" Adapter for Takahashi CN212 and MEWLON 180, 210 and 250 NON CRS Telescopes

Starlight Instruments 2.0" Adapter for Takahashi CN212 and MEWLON 180, 210 and 250 NON CRS Telescopes

by Starlight Instruments
SKU SI-A20-261
$130.00 - $130.00
$130.00
$130.00 - $130.00
$130.00
Price Match Policy!
  • Adapts 2.0" Feather Touch Focusers
  • Fits Takahashi CN212, Mewlon 180, 210, & 250 (Non-CRS)
  • Thread Specification: 71x1mm Female Thread
  • Adapter Length: 0.62 inches
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Warranty

  • Starlight Instruments 2.0" Adapter for Takahashi CN212 and MEWLON 180, 210 and 250 NON CRS Telescopes

    This Starlight Instruments 2.0" Adapter provides the critical, rock-solid connection for upgrading select Takahashi telescopes with a Feather Touch focuser, attaching via a precision-machined 71x1mm female thread. With a minimal optical path length of just 0.62", this adapter ensures your focuser is mounted with perfect concentricity to the optical tube of a CN212, Mewlon 180, Mewlon 210, or Mewlon 250 (non-CRS models).

    A Precision-Machined 71x1mm Threaded Connection for Takahashi Telescopes

    This adapter is engineered to create a direct, non-flexing interface between your telescope and a Starlight Instruments focuser. The 71x1mm female thread exactly matches the rear cell of the compatible Takahashi CN212 and non-CRS Mewlon models, ensuring a secure, tilt-free foundation essential for critical astrophotography and high-power visual observation.

    Upgrading to a 2.0" Feather Touch Focuser

    Installing a 2.0" Feather Touch focuser transforms the usability of these excellent optical systems, and this adapter is the key. It allows you to replace the stock focuser with a unit capable of handling heavy imaging cameras and accessory loads with zero image shift. The 0.62" length is designed to position the focuser correctly within the telescope's available back focus, enabling you to achieve sharp focus with a wide range of eyepieces and cameras.

  • Which telescopes is the Starlight Instruments 71x1mm adapter compatible with?

    This adapter is specifically designed for the Takahashi CN212 and the non-CRS versions of the Mewlon 180, Mewlon 210, and Mewlon 250 telescopes. It will not fit CRS models or other Takahashi telescopes.

    What Starlight Instruments focuser does this adapter allow me to install?

    This adapter allows you to mount any Starlight Instruments 2.0" Feather Touch focuser, such as the FTF20xx series, onto your compatible Takahashi telescope. It provides the necessary threaded connection between the telescope tube and the focuser body.

    I have a Takahashi Mewlon-210. Will this adapter let me use a Feather Touch focuser for astrophotography?

    Yes, absolutely. If you have the standard (non-CRS) Mewlon-210, this is the correct adapter to mount a 2.0" Feather Touch focuser. The rigidity of this threaded connection is critical for astrophotography, as it prevents the focuser and camera from tilting or sagging, which maintains sharp stars across the field.

    Why is a threaded adapter like this one better than a generic slip-fit adapter?

    A threaded connection provides a far more secure and precisely aligned attachment. It ensures the focuser is perfectly square to the optical axis, eliminating tilt and wobble that can ruin image quality, especially with heavy cameras or when observing at high magnification. A slip-fit adapter cannot guarantee this level of rigidity.

    Will this adapter work with the newer Takahashi Mewlon-210CRS model?

    No. This adapter is specifically for the non-CRS versions of the Mewlon series. The newer CRS models with the built-in corrector have a different rear thread and require a different adapter from Starlight Instruments.

    Is installation of this Starlight Instruments adapter difficult?

    Installation is typically straightforward. It involves unthreading the stock focuser assembly from the telescope's rear cell and carefully threading this adapter in its place. The Starlight Instruments focuser then attaches to the adapter. Always refer to your telescope and focuser manuals for specific instructions.

  • Product Type Telescope to Focuser Adapter
    Focuser Compatibility Starlight Instruments 2.0" Focusers
    Telescope Compatibility Takahashi CN212, Mewlon 180, Mewlon 210, Mewlon 250 (Non-CRS Models)
    Telescope-Side Thread 71x1mm Female
    Length 0.62" (15.75mm)

    • 2.0" Adapter for Takahashi Telescopes

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  • Starlight Instruments 2-Year Warranty