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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 2.5" Adapter for Meade 10, 12, 14" SCT Telescopes

Starlight Instruments 2.5" Adapter for Meade 10, 12, 14" SCT Telescopes

by Starlight Instruments
SKU SI-A25-2003-13
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00
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  • Connects 2.5" Feather Touch focusers to large Meade SCTs
  • Compatible with Meade 10", 12", and 14" SCT optical tubes
  • Designed to thread onto the FTF2515HD focuser's standard tube ring
  • Enables precise, zero image-shift focusing for imaging
  • Provides a rigid, non-flexing connection for heavy cameras
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  • Description
  • FAQ
  • In the Box
  • Warranty

  • Starlight Instruments 2.5" Adapter for Meade 10, 12, 14" SCT Telescopes

    The Starlight Instruments 2.5" Adapter for Meade SCTs provides the precise mechanical interface to mount a 2.5" Feather Touch focuser, such as the FTF2515HD, onto your Meade 10", 12", or 14" Schmidt-Cassegrain telescope tube.

    Upgrade Your Meade 10", 12", or 14" SCT with a 2.5" Feather Touch Focuser

    This adapter is the key to overcoming the primary optical limitation of standard Schmidt-Cassegrain telescopes: image shift. By allowing you to attach an external Starlight Instruments focuser, you can lock the telescope's primary mirror in place and bypass the stock focusing mechanism entirely. This results in ultra-precise, repeatable focusing with zero mirror flop—a critical requirement for high-magnification planetary imaging and long-exposure deep-sky astrophotography.

    Machined from high-grade aluminum, this adapter creates a solid, flexure-free connection between the rear cell of your Meade SCT and the tube adapter ring on a 2.5" Feather Touch focuser. This ensures your entire imaging train, from the focuser to a heavy camera and filter wheel, remains perfectly aligned with the optical axis.

  • Which Starlight Instruments focuser does the Meade SCT Adapter work with?

    This adapter is specifically designed to connect to 2.5" Feather Touch focusers from Starlight Instruments, such as the popular FTF2515HD model. It threads directly onto the tube adapter ring that comes standard with that focuser series.

    Will this adapter fit my Meade 8" SCT?

    No, this adapter is only compatible with the Meade 10", 12", and 14" SCT models. The rear cell thread on the 8" Meade SCT is a different size and requires a different adapter.

    Why should I use the Starlight Instruments 2.5" Adapter on my Meade 14" SCT instead of the stock focuser?

    The primary reason is to eliminate image shift, also known as mirror flop. The stock focuser moves the primary mirror, which can cause the target to move in the field of view. This adapter allows you to install a high-precision external focuser and lock the mirror, providing the stability needed for critical imaging and visual observation.

    I'm trying to image Jupiter with my Meade 12" SCT and a heavy camera. How does this adapter help?

    This adapter provides two key benefits for imaging Jupiter. First, it creates a rigid, non-flexing platform for your focuser and camera, preventing tilt. Second, and more importantly, it lets you use a Feather Touch focuser for critical fine adjustments without causing the image of Jupiter to shift in the frame, a common and frustrating problem when using the stock mirror-focusing knob.

    Is installation of this Meade SCT adapter difficult?

    Installation is straightforward. The adapter threads directly onto the large threads on the rear cell of your Meade telescope. The 2.5" Feather Touch focuser then attaches to the adapter. The main procedural step is to achieve rough focus with the telescope's stock focuser first, then lock the primary mirror to prevent it from moving further.

    I want to do automated focusing for deep-sky imaging on my Meade 10" SCT. Is this adapter part of that solution?

    Yes, it is the crucial first step. This adapter lets you mount a motorized Feather Touch focuser, which can then be controlled by a system like the Focuser Boss II. This setup enables precise, repeatable automated focusing routines on deep-sky targets like the Orion Nebula (M42), which is essential for maintaining sharp stars throughout an imaging session.

    • 2.5" Adapter for Meade 10, 12, 14" SCT Telescopes

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  • Starlight Instruments 2-Year Warranty