Feather Touch® Micro Telescope Focuser for Celestron CPC-11 Schmidt-Cassegrain (FTM-CPC11)


Known To Fit Celestron CPC11-C11 Edge HD, and RASA 11″
Reduction Ratio 10:1
Weight of focuser .404 pounds


Delivery: ~2 Weeks Lead Time

In stock



Starlight Instruments Micro Focusers are perfect choice for advanced astronomical telescopes. Known World Wide for their amazing quality and durability, Starlight Instruments focuser’s gives absolute precision and eliminates inherent image-shift and backlash, even when the primary mirror in the telescope is moved to focus.

THE PERFECT FIT: Starlight Instruments microfocuser telescope upgrade is an ideal fit to the Celestron CPC11/C11 Edge HD Telescope. It fits into the focus shaft of the telescope for smooth control and fine focusing. Get rid of backlash when adjusting the angle or direction!

DUAL SPEED FOCUSER: For a clear and detailed view, this Celestron telescope focuser has a dual-speed focusing mechanism that offers a 10:1 reduction ratio. This focuser will ensure enhanced optical precision of your telescope without any shift.

QUICK INSTALLATION: This telescope dual focuser is an easy upgrade that takes minutes to install on your telescope. It is precision machined to high tolerance that makes installation a breeze. Upgrade and enjoy the enhanced telescope performance within minutes!

PERFECT FOR ASTROPHOTOGRAPHY: Starlight Instruments Celestron telescope accessories are perfect for observing the stars and our universe! Their microfocuser provides extensive and responsive control to the eyepiece and is stable for observing or working on Astro-photography.

MADE IN THE USA: Constructed with premium quality materials and precision tolerances, Starlight Instruments Focusers are ideal focuser for telescope upgrades and provides long-lasting service. Starlight Instruments Micro Focusers are made right here in the USA!



Before installation, confirm the back cell style of the Celestron SCT telescope, whether it has a flat or triangular pattern. If your telescope has a triangular pattern on the back, then this is the correct model for you.

  1. Remove the black rubber focus knob from the telescope.
  2. Remove the flat plate on the focus assembly cover by unscrewing the screws.
  3. Unthread the cylinder and bearing assembly by rotating it in a counter-clockwise direction.
  4. Unscrew the stop from the end of the micro focuser and thread it to the shaft of the telescope.
  5. Attach the micro focuser to the stop and screw it until the base sits flat on the telescope.
  6. Use Black Knob for coarse focus and Brass Knob for fine focus.


  • Item Type: Focuser For Telescope
  • Compatible Models: Celestron CPC11/C11 Edge HD Telescope

Feather Touch Micro Focuser for Celestron CPC-11, C11 Edge HD Schmidt-Cassegrain Telescope



If your telescope is less than a few years old, check the style of the back cell to see which version of the Feather Touch® SCT Micro Focuser you need: If your telescope has a flat back (left picture), you need the standard “C” Micro Focuser. If your telescope has a triangular pattern on the back (right picture), you will need the “CPC” version of the Micro Focuser


Click here to view the installation instructions

Supplemental Instructions


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