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Starlight Instruments 3.5" Adapter for "Takahashi TOA 130/FS 152 Telescopes

SKU SI-A35-503-TOA130
Original price CA$350.00 - Original price CA$350.00
Original price
CA$350.00
CA$350.00 - CA$350.00
Current price CA$350.00
Price Match Policy!
  • Adapts 3.5" Feather Touch focusers to select Takahashi refractors
  • Compatible with Takahashi TOA 130 and FS 152 optical tubes
  • Precision-machined from high-grade aluminum for a rigid connection
  • Anodized finish matches Starlight Instruments components
  • Made in the USA
Backordered
Availability Info
Qualifies for FREE Shipping in Canada on orders over $500.
  • Description
  • FAQ
  • In the Box
  • Warranty
  • Starlight Instruments 3.5" Adapter for Takahashi TOA 130/FS 152 Telescopes

    Securely mount a Starlight Instruments 3.5" Feather Touch focuser to your Takahashi TOA 130 or FS 152 refractor with this precision-machined tube adapter ring. This component creates the correct mechanical interface for upgrading from the stock 4.0" Takahashi focuser assembly, allowing you to install the robust, large-aperture Feather Touch system for demanding imaging applications.

    A Precision-Fit 3.5" Connection for Takahashi Refractors

    This adapter is engineered to provide a seamless, flex-free connection between two premium pieces of equipment. By replacing the stock focuser, you can integrate the acclaimed Feather Touch focusing mechanism, known for its zero image shift and heavy-duty load capacity—essential for modern imaging trains with large cameras and filter wheels.

    While the stock Takahashi focuser is listed as 4.0", that measurement refers to its outside diameter. The Starlight Instruments 3.5" Feather Touch focuser's dimension is its internal clear aperture. This means the Feather Touch system actually provides a larger, less restricted light path, a critical detail for imagers using full-frame sensors to avoid vignetting.

    • Direct Compatibility: Designed specifically to match the tube bolt pattern and threading of the Takahashi TOA 130 and FS 152 refractors.
    • Superior Materials: Machined from a solid piece of high-grade aluminum to ensure rigidity and maintain perfect optical alignment under heavy loads.
    • Signature Finish: Anodized in the classic Starlight Instruments style, ensuring a perfect aesthetic match with your Feather Touch focuser.
  • Why do I need this specific Starlight Instruments adapter for my Takahashi TOA 130?

    This adapter serves as the essential mechanical bridge between the optical tube of a Takahashi TOA 130 or FS 152 and the mounting flange of a 3.5" Feather Touch focuser. Each telescope and focuser combination has a unique bolt pattern and flange size, and this adapter is custom-machined for a perfect, rigid fit between these specific models.

    Will installing a 3.5" Feather Touch focuser on my FS 152 cause vignetting?

    No, quite the opposite. The stock 4.0" Takahashi focuser measurement is its outer diameter, while the 3.5" Feather Touch measurement is its inner clear aperture. This means the Feather Touch focuser actually offers a larger, more illuminated light path, reducing the risk of vignetting, especially with large format camera sensors.

    Is the Starlight Instruments Takahashi adapter difficult to install?

    Installation is straightforward for users comfortable with basic telescope hardware adjustments. The adapter is designed to replace the entire stock focuser assembly, attaching directly to the rear cell of the telescope tube. You will need to consult the manuals for both your Takahashi telescope and your Starlight Instruments focuser for detailed instructions.

    What is this adapter made of?

    This adapter is machined from high-quality aluminum by Starlight Instruments in the USA. It is then anodized for durability and to provide the signature aesthetic that matches their line of Feather Touch focusers.

    I have a Takahashi FSQ-106. Will this adapter work?

    No. This adapter is specifically engineered for the Takahashi TOA 130 and FS 152 models. The Takahashi FSQ-106, and other Takahashi telescopes, have different rear cell designs and require their own specific adapters to mount a Feather Touch focuser.

    Does this adapter allow the Feather Touch focuser to rotate?

    The ability to rotate the camera and eyepiece is a feature of the 3.5" Feather Touch focuser itself, not the adapter. This adapter provides the solid, non-rotating connection between the focuser body and the optical tube. Once installed, you will use the focuser's own rotation mechanism to frame your targets.

    • 3.5" Adapter for Takahashi TOA 130 / FS 152 Telescopes

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  • Starlight Instruments 2-Year Warranty