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Starlight Instruments True 3.0" Adapter for Aluminum Explore Scientific 127mm Telescope

by Starlight Instruments
SKU SI-A32-3203-ES130A
CA$378.00 - CA$378.00
CA$378.00
CA$378.00 - CA$378.00
CA$378.00
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  • Connects a Starlight Instruments True 3.0" Feather Touch focuser to your telescope
  • Custom-designed for the Explore Scientific 127mm APO Triplet Refractor (Aluminum Tube)
  • Ensures a rigid, flex-free connection for heavy imaging payloads
  • Machined from high-grade aluminum for a perfect, secure fit
  • Enables the full capabilities of a premium aftermarket focuser
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Warranty

  • Starlight Instruments True 3.0" Adapter for Aluminum Explore Scientific 127mm Telescope

    This Starlight Instruments adapter provides the critical mechanical link for upgrading your aluminum Explore Scientific 127mm refractor with a True 3.0" Feather Touch focuser. Machined to exacting tolerances in the USA, it replaces the telescope's stock focuser mounting flange, creating a seamless, rigid connection that eliminates the possibility of tilt or flexure under heavy loads.

    A Rock-Solid Foundation for Your True 3.0" Feather Touch Focuser

    Upgrading to a Feather Touch focuser is one of the most significant improvements you can make for serious astrophotography. This adapter is the essential first step, creating a non-negotiable, solid base that allows the focuser to perform to its full potential. It ensures that your heavy camera, filter wheel, and off-axis guider are held perfectly orthogonal to the optical axis, preserving the flat field of your ES127 refractor.

    Without a purpose-built adapter, you risk introducing mechanical instabilities that undermine the very precision you seek. This component is engineered by Starlight Instruments to integrate their focuser with your telescope as if they were a single unit from the factory.

    Precision Fit for the Explore Scientific 127mm Aluminum OTA

    This adapter is not a universal part; it is specifically designed for the aluminum tube version of the Explore Scientific 127mm APO Triplet Refractor that features a sliding dew shield. The bolt pattern and curvature are precisely matched to the rear cell of this telescope, guaranteeing a secure installation without any modification to your optical tube.

    Once installed, the adapter allows your Feather Touch focuser to be rotated a full 360 degrees, letting you frame your target perfectly without rotating the entire optical tube. This is a crucial feature for imagers working on complex targets or trying to fit a large nebula like the North American Nebula (NGC 7000) into the frame.

  • What is the purpose of this Starlight Instruments adapter for the ES 127mm?

    This adapter's sole purpose is to allow you to remove the stock focuser from your Explore Scientific 127mm aluminum refractor and replace it with a premium Starlight Instruments True 3.0" Feather Touch focuser. It provides the necessary mechanical interface for a secure, stable connection.

    Will this adapter fit the carbon fiber version of the Explore Scientific 127mm telescope?

    No. This adapter is specifically machined for the aluminum tube version of the ES 127mm refractor. A different adapter is required for the carbon fiber model due to differences in the tube's rear cell and mounting points.

    Which focuser is this adapter designed for?

    This adapter is engineered to work with Starlight Instruments' True 3.0" Feather Touch focusers, such as the FTF3015B-A or FTF3025B-A. It will not fit 2.0" or 3.5" focusers from Starlight Instruments, nor will it fit focusers from other manufacturers.

    Is installing this True 3.0" adapter on my ES 127mm difficult?

    Installation is straightforward for those comfortable with basic tools. It typically involves unthreading the stock focuser from the telescope's rear cell and threading this adapter in its place. The Feather Touch focuser then attaches to the adapter. Always refer to the installation instructions provided with your Feather Touch focuser for detailed steps.

    I want to image the Andromeda Galaxy (M31) with a heavy camera on my Explore Scientific 127mm. Is this adapter strong enough?

    Absolutely. This adapter is precisely what you need for such a setup. It is machined from solid aluminum to create a rigid, flex-free platform that supports the full load capacity of the True 3.0" Feather Touch focuser, ensuring your entire imaging train remains perfectly aligned throughout a long imaging session.

    Why should I upgrade the stock focuser on my Explore Scientific 127mm refractor?

    While the stock focuser is functional, a Starlight Instruments Feather Touch focuser offers significant advantages for both visual and imaging use. Key benefits include:

    • Zero Image Shift: Critical for maintaining precise framing and focus.
    • Heavy Load Capacity: Securely holds large cameras and accessory stacks without sagging or flexure.
    • Dual-Speed Fine Focus: Allows for incredibly precise focus adjustments, essential for achieving sharp stars and planetary detail.
    • Repeatability: The smooth, backlash-free mechanism is ideal for use with autofocusing software.
  • Compatible Focuser Starlight Instruments True 3.0" Feather Touch
    Compatible Telescope Explore Scientific 127mm APO Refractor (Aluminum Tube w/ Sliding Dew Shield)
    Material Anodized Aluminum

    • True 3.0" Adapter for Aluminum Explore Scientific 127mm Telescope

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  • Starlight Instruments 2-Year Warranty