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Starlight Instruments Micro Pinion Assembly Retrofit - fits Takahashi 2.7" Diameter Focusers

Starlight Instruments Micro Pinion Assembly Retrofit - fits Takahashi 2.7" Diameter Focusers

by Starlight Instruments
SKU SI-MPA-TAK2.7
CA$602.00 - CA$602.00
CA$602.00
CA$602.00 - CA$602.00
CA$602.00
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  • Adds 10:1 dual-speed fine focusing to stock Takahashi focusers
  • Directly fits Takahashi 2.7-inch diameter focusers
  • Planetary reduction mechanism provides ultra-smooth, zero-backlash control
  • Replaces the original pinion assembly while retaining the focuser body
  • Designed and manufactured in the USA
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Downloads
  • Warranty

  • Starlight Instruments Micro Pinion Assembly Retrofit - fits Takahashi 2.7" Diameter Focusers

    The Starlight Instruments Micro Pinion Assembly (MPA) brings acclaimed 10:1 ratio Feather Touch focusing to your Takahashi telescope's stock 2.7-inch focuser. This direct-retrofit component replaces the standard single-speed knob, adding the fine control necessary for critical imaging and high-power visual work on premium refractors like the Takahashi TOA-130 and TSA-120.

    The 10:1 Dual-Speed Feather Touch Upgrade for 2.7" Focusers

    This assembly upgrades the heart of your telescope's focuser without requiring a full replacement of the drawtube assembly. The 10:1 planetary reduction mechanism means that ten turns of the fine-focus knob equal one turn of the coarse-focus knob, allowing for minute, repeatable adjustments that are impossible with a single-speed control. This level of precision is essential for achieving perfect focus with a modern CMOS camera or when observing planets at the limit of your telescope's resolution.

    Zero-Backlash Mechanics for Critical Imaging at f/5 and Slower

    For astrophotographers, focus point stability is non-negotiable. The Starlight Instruments MPA is engineered for virtually zero backlash, eliminating the frustrating image shift that occurs when changing focus direction. This ensures that autofocus routines run accurately and that manual tweaks at the eyepiece translate directly to drawtube movement, preserving your target's precise framing and focus.

    MPA Retrofit vs. Stock Takahashi Focuser: A Worthwhile Upgrade

    A stock Takahashi focuser is a robust, well-made piece of equipment. For many visual applications, it performs admirably. However, for the imager or discerning planetary observer, the lack of fine control is a significant limitation.

    • Stock Takahashi Focuser: Offers reliable, single-speed focusing that is durable and sufficient for general visual use with longer focal length eyepieces.
    • Starlight MPA Retrofit: Transforms the existing focuser into a dual-speed instrument. It preserves the original Takahashi mechanics while adding the critical 10:1 fine adjustment needed for modern high-resolution imaging and high-magnification observing, making it a highly cost-effective precision upgrade.

  • What is the main benefit of installing the Starlight Instruments MPA on my Takahashi telescope?

    The primary benefit is adding dual-speed 10:1 fine focusing. This allows for extremely precise adjustments, which is critical for achieving sharp focus with imaging cameras or when using high magnification for planetary viewing. It replaces the stock single-speed knob with the renowned Feather Touch mechanism.

    Is the installation of the MPA-TAK Retrofit difficult?

    No, the installation is designed to be straightforward for the user. It involves removing the stock pinion block from your Takahashi focuser and replacing it with the Starlight Instruments assembly using simple hand tools. Detailed instructions are included in the downloadable manual.

    Will this Starlight Instruments MPA fit my Takahashi FC-100DZ?

    This specific model is designed for Takahashi's 2.7-inch diameter focusers, such as those found on the TOA-130 and TSA-120. The FC-100DZ uses a different, smaller focuser body, and this MPA would not be compatible. Always verify your telescope's focuser diameter before purchasing.

    How does the Starlight MPA help with astrophotography on a TOA-130?

    On an imaging platform like the TOA-130, perfect focus is critical. The MPA's zero-backlash design and fine control are essential for automated focusing routines managed by software like N.I.N.A. or Sequence Generator Pro. It ensures the focuser can make tiny, repeatable movements in both directions without image shift, resulting in consistently sharp stars across your entire imaging run.

    Does the Starlight Instruments MPA introduce any flexure compared to the original Takahashi part?

    No. The MPA is precision-machined in the USA from high-grade materials to meet or exceed the stability of the original components. It is designed as a rigid, direct replacement for the pinion assembly and does not compromise the focuser's load-bearing capacity.

    Can I motorize my Takahashi focuser after installing the MPA retrofit?

    Yes. The Feather Touch pinion assembly is designed for easy motorization. Starlight Instruments offers motor systems like the Handy Stepper Motor (HSM) that are specifically designed to attach to this MPA, allowing for fully remote and automated focusing.

  • Compatibility Takahashi 102, FS102 TSA120, FS-128, TOA-130, 152N, and any other Takahashi 2.7-inch stock focuser
    Focusing Ratio 10:1 Fine Focus Reduction
    Country of Origin USA (designed, machined and assembled)

    • Micro Pinion Assembly for Takahashi 2.7" Focuser

      × 1

  • Starlight Instruments 2-Year Warranty