Optec FocusLynx TEC with DirectSync

Starting Price: $325.00
Price as Configured: $325.00
Brand: Optec / SKU: OP-19777
Important Note:  TEC has discontinued the native TEC Large Focuser and is currently shipping new TEC OTA's with the FeatherTouch FTF3545 focuser.  However, Optec continues to offer this customized motor solution for this focuser. See the FocusLynx FT40 kit for motorizing the FTF3545 focuser for large  TEC telescopes.

FocusLynx DirectSync TEC The FocusLynx DirectSync TEC system is an aftermarket add-on for the TEC Large Focuser and includes the FocusLynx focus controller and new DirectSync digital motor with built-in temperature sensor. The new DirectSync motor provides a direct drive motor that can be easily disengaged for manual focusing. The DirectSync motor kit is easy to install and provides a digital focusing solution that also allows manual focus when at the telescope. 

This version requires the external Optec FocusLynx controller.


  • TEC APO110ED Large Focuser
  • TEC APO140ED Large Focuser
  • TEC APO160FL Large Focuser
  • TEC APO180FL Large Focuser
  • TEC APO250VT Large Focuser


Price as Configured: $325.00

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  • Motor Housing Width:  1.9" (48mm)
  • Overall Length:  3.35" (85mm)
  • Weight: 5.2 oz (150 g)
  • Step Resolution:    1.25 micron per step
  • Stepper Motor:    Bi-polar NPM 15-ohm with 1:25 gearhead
  • Connection to FocusLynx:    Standard Ethernet cable (included)
  • Temperature Probe:    Integrated Digital Sensor type TMP04FT9Z
  • Current Draw:    Maximum draw approx. 350mA