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Starlight Instruments 3.0" Adapter for TMB152
Starlight Instruments 3.0" Adapter for TMB152
Starlight Instruments 3.0" Adapter for TMB152

Starlight Instruments 3.0" Adapter for TMB152

by Starlight Instruments
SKU SI-C-8063
CA$399.00 - CA$399.00
CA$399.00
CA$399.00 - CA$399.00
CA$399.00
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  • Connects a 3.0" Feather Touch focuser to a TMB152 telescope
  • Precision-machined for a rigid, no-flex connection
  • Replaces the stock extension to achieve correct back focus
  • Enables a dual-focus setup using the stock and Feather Touch focusers
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  • Description
  • FAQ
  • Warranty

  • Starlight Instruments 3.0" Adapter for TMB152

    The Starlight Instruments 3.0" Adapter for the TMB152 refractor provides the precise mechanical interface required to upgrade the telescope with a 3.0" Feather Touch focuser, enabling ultra-fine focus adjustments for critical imaging and visual work.

    3.0" Feather Touch Integration for the TMB152

    This adapter is engineered specifically to mount a Starlight Instruments 3.0" Feather Touch focuser onto the TMB152 refractor. Machined from high-grade aluminum to Starlight's exacting tolerances, it ensures a perfectly square, rigid connection that eliminates tilt and flexure, even with heavy imaging trains.

    It replaces the telescope's stock extension piece, threading directly onto the optical tube assembly. This creates a solid foundation for the Feather Touch focuser, transforming the telescope's focusing system into a high-precision instrument.

    Solving Back Focus on the 152mm TMB Refractor

    The TMB152 requires a specific amount of back focus to accommodate various accessories. This adapter is designed to provide the correct spacing, allowing you to reach focus with a wide range of cameras, diagonals, and eyepieces.

    A unique benefit of this configuration is the ability to create a dual-focus system. You can retain the TMB152's original focuser for coarse travel adjustments while using the newly installed Feather Touch focuser for the critical, backlash-free fine adjustments essential for high-magnification planetary imaging and deep-sky astrophotography.

  • What is the primary purpose of the Starlight Instruments 3.0" Adapter for the TMB152?

    This adapter's main function is to allow a TMB152 refractor owner to install a Starlight Instruments 3.0" Feather Touch focuser. It provides the correct mechanical threading and spacing to replace the stock extension, enabling a significant upgrade in focusing precision.

    How does this adapter for the TMB152 improve focusing?

    By enabling the installation of a Feather Touch focuser, this adapter facilitates a dual-focus system. The original TMB152 focuser can be used for large, coarse adjustments, while the Feather Touch provides the extremely fine, repeatable control needed for sharp, high-resolution images.

    Do I need a Feather Touch focuser to use this Starlight Instruments TMB152 adapter?

    Yes. This adapter is not a standalone component. It is specifically designed as the bridge between the TMB152 optical tube and a 3.0" Feather Touch focuser. It will not work without the focuser it is intended to mount.

    I want to image planetary nebulae like the Ring Nebula (M57) with my TMB152. How does this adapter help?

    For small targets like the Ring Nebula (M57), critical focus is paramount. This adapter lets you add a Feather Touch focuser, whose fine-focus control is essential for achieving the sharpest possible stars and resolving detail in the nebula itself, especially when using long focal lengths or Barlow lenses.

    Does this adapter replace my entire TMB152 stock focuser?

    No, it does not replace the entire stock focuser. It replaces the stock extension piece. This allows you to keep the main body of the stock focuser for coarse travel and add the Feather Touch focuser for fine control, creating a powerful dual-speed system.

    I have a TMB152 refractor; will this adapter work with any 3.0" Feather Touch focuser model?

    Yes, this adapter is designed to work with Starlight Instruments' standard 3.0" Feather Touch focusers. It provides the correct mounting interface for these models to be securely attached to your TMB152 telescope.

  • Starlight Instruments 2-Year Warranty