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I have got more steppers see pic at start of thread.The biggest motor in the middle is six wire the others are five.I was thinking of using the six wire for Kens RA drive.I'll have to check the step size it looks like a double layer it is 7.5 deg. ie 48 steps per rev. just counted them.Shoud be able to half step it.
What I want it for is to build a stepper focusser for the new manual 300mm F2.8
Fluorite by just running a toothed belt around the focussing ring on the lens.
Bert
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