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Hi Matthew,
Yes, you found the cause with the final inwards move, though it seems you have "reverse direction" selected in the driver - the focuser tube will actually be further out on the red than the lum? But I recommend putting the inward move back on to a large setting as it eliminates any backlash issues you may have when switching between filters, which can cause focus to be well off. Note that this setting ONLY has an effect with an outward move of the focuser tube, inwards move will only be the specified number of steps.
EDIT: How many steps is your focuser capable of from the calibration? Saying 5997 must be "near its limit" seems a bit low to me. My focuser only has a very small travel distance, 48mm I think, and the focuser tops out at 17,000 steps. My friends ED80 has much longer travel and tops out at 35,000!
Cheers,
Mark
Last edited by Drac0; 08-06-2023 at 12:07 AM.
Reason: Question?
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