SUMMARY As far as I know, all focusers have a backlash. This can be very annoying when trying to find the best focus. And this can be corrected by a backlash correction. Would it be possible to add a backlash correction to the EKOS focuser panel ? Thank you. STEPS TO REPRODUCE 1. 2. 3. OBSERVED RESULT EXPECTED RESULT SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: (available in About System) KDE Plasma Version: KDE Frameworks Version: Qt Version: ADDITIONAL INFORMATION
Thanks, I'll check if this can be implemented. Not all focusers have backlash though.
(In reply to Jasem Mutlaq from comment #1) > Thanks, I'll check if this can be implemented. Not all focusers have > backlash though. I'm looking forward to see this implementation. I have a motorised Microtouch focuser and the backlash I measured is around 200 steps for a focus found around 29000 steps. In my setting, 1 step = 1 micron. So 200 steps = 1/5 mm. It's a lot. The implementation of a focuser backlash compensation in KStars should also improve the Autofocus procedure.
Git commit 54d617fa45954b28bec1cbf8e6aac9ae5faf626d by Jasem Mutlaq. Committed on 13/08/2019 at 20:08. Pushed by mutlaqja into branch 'master'. Add support to setting backlash directly in Ekos focus module IF supported by the INDI driver. M +23 -1 kstars/ekos/focus/focus.cpp M +113 -97 kstars/ekos/focus/focus.ui M +47 -0 kstars/indi/indifocuser.cpp M +5 -0 kstars/indi/indifocuser.h https://commits.kde.org/kstars/54d617fa45954b28bec1cbf8e6aac9ae5faf626d
Superb ! Thanks a lot. I'll wait the next KStars release.