Today I offset my focus position counter. But didnt do it mechaniqucally, I moved to position 5000 and then reseted the counter. Now I have best focus at position 58900. More details: www.astrofriend.eu/astronomy/projects/pr...rs-raspberrypi4.html Now I just have to do a test and see if the wraparound problem has disappear. Thanks a lot jarno for the info ! LarsRead More...