About

Thank you for installing the TCF-S Focuser control program. TCF-S Focuser is a stand-alone Windows program designed for testing, setting parameters, and operating the Optec TCF-S line of Temperature Compensating Focusers. The latest version of this program will communicate with and control all revisions of the following focuser models:

TCF-S
TCF-Si

TCF-S3

TCF-S3i

You can learn more about the TCF-S focusers by visiting the Optec web page located at: http://www.optecinc.com/astronomy/tcf-s.htm

Check the Optec, Inc. web site often to download the most current version of TCF-S Focuser Control or to download the ASCOM standard driver or Linux drivers (soon to be released).

A pdf copy of this help file can be found by visiting the Optec website. Click here to download the current pdf version for this help file.