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Hi Dave, I received the PIC controller this morning. Thank you.
Now I will see to find a stepper motor. Is there an optimum 'focus travel' per step? That is system dependent I would say. Far away from focus it would be linear (sort of the aperture angle of the cone per step). Rambling on a bit, sorry. Will see to read up on it.
Thanks heaps.
Cheers,
Bram (from boiling Canberra)
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