Skip to content

Language

Country

Starlight Instruments Feather Touch Micro for Celestron C11 SCT (NOT CPC1100)

SKU SI-FTM-C11
Original price CA$490.00 - Original price CA$490.00
Original price
CA$490.00
CA$490.00 - CA$490.00
Current price CA$490.00
Price Match Policy!
  • Replaces stock focuser on Celestron C11 SCTs
  • Adds dual-speed fine focusing control
  • Eliminates image shift and backlash
  • Designed for C11 telescopes with a flat rear cell
  • Machined and assembled in the USA
Backordered
Availability Info
Qualifies for FREE Shipping in Canada on orders over $500.
  • Description
  • FAQ
  • Specifications
  • In the Box
  • Downloads
  • Warranty
  • Starlight Instruments Feather Touch Micro for Celestron C11 SCT (NOT CPC1100)

    The Starlight Instruments Feather Touch Micro Focuser replaces the imprecise stock focuser on your Celestron C11 SCT, eliminating mirror shift and providing the critical fine control needed for high-magnification planetary imaging. This USA-made upgrade installs directly onto C11 models with a flat rear cell, adding a dual-speed mechanism for achieving perfect focus without the backlash or coarse jumps inherent in the original design.

    Dual-Speed Focusing for the Celestron C11: Eliminate Image Shift

    The primary challenge of focusing a Schmidt-Cassegrain is "image shift"—the slight movement of the view caused by the primary mirror tilting on the baffle tube. The stock single-speed focuser magnifies this issue, making it nearly impossible to achieve critical focus on planets or tight double stars without the target jumping. The Feather Touch Micro Focuser solves this by adding a secondary fine-focus knob, allowing you to make minute, smooth adjustments that keep your target perfectly centered and stable in the eyepiece.

    The 2-Speed Feather Touch Mechanism: Planetary Reduction Gearing

    At the heart of the Feather Touch system is a robust planetary reduction assembly, engineered for zero backlash and a supremely smooth feel. This mechanism provides two focusing speeds: a standard coarse focus for initial adjustments and an ultra-fine focus for nailing the final, sharpest view. Manufactured from hardened stainless steel and other premium materials in the USA, this focuser is built for a lifetime of reliability, giving your C11 the focusing precision it deserves.

    C11 Compatibility Check: For Flat-Back SCTs Only

    This micro focuser is specifically designed for older Celestron C11 models that feature a completely flat rear cell. It is crucial to verify your telescope's design before purchasing. If your C11 has a triangular pattern cast into the rear cell, you will need the CPC version of the Feather Touch Micro Focuser instead. This model is not compatible with CPC, NexStar Evolution, or EdgeHD telescopes.

  • How does the Feather Touch Micro Focuser for the C11 improve planetary imaging on objects like Jupiter?

    The Feather Touch Micro Focuser allows for the minute focus adjustments required to resolve fine details like the cloud bands on Jupiter or the Cassini Division in Saturn's rings. Achieving this level of sharpness is nearly impossible with the coarse stock focuser due to its inherent image shift and lack of fine control.

    Will this Starlight Instruments Micro Focuser fit my Celestron CPC1100 telescope?

    No. This model is specifically for older C11 telescopes with a flat rear cell. CPC models and newer EdgeHD scopes that have a triangular pattern on the back require the "CPC" version of the Micro Focuser. Always check the back of your telescope to ensure compatibility.

    Is installing the Feather Touch Micro Focuser on my C11 difficult?

    Installation is straightforward for most users and can be accomplished with simple hand tools. The unit is designed to directly replace the original focus knob assembly on the telescope's rear cell. Starlight Instruments provides detailed instructions for the process.

    What is the benefit of a dual-speed focuser like the Feather Touch Micro on an f/10 SCT like the C11?

    At the long focal length of an f/10 C11, the critical focus zone is extremely small. The fine-focus knob provides the high precision needed to hit that narrow zone perfectly, ensuring the sharpest possible views for visual observation and the tightest stars for astrophotography.

    Does the Feather Touch Micro Focuser for the C11 eliminate mirror flop entirely?

    The Feather Touch Micro Focuser does not change the internal mirror-focusing mechanism, but it effectively negates the main cause of mirror flop. By allowing you to make tiny, smooth inputs with the fine-focus knob, you can achieve critical focus without making the large, jerky adjustments that cause the primary mirror to shift.

    Why is the Starlight Instruments Feather Touch Micro Focuser a better option than just adding an external focuser?

    The Feather Touch Micro Focuser is a more integrated, compact, and often more affordable solution. It directly improves the telescope's native focusing system without adding the extra weight, length, and potential for flexure that an external Crayford or rack-and-pinion focuser introduces to the optical path.

  • Made In USA (designed, machined and assembled)
    • Feather Touch Micro Focuser for Celestron C11 (Flat Back)

      × 1

  • Starlight Instruments 2-Year Warranty