QuickShot wrote:
> ...I don't want to put masses of A-D converting circuitry
> - the simpler the better. (the camera movement doesn't
> need to be smooth - it's just for positioning)
>
> I'm a little shakey on the analogue side of things.

  Why not a small magnet and a set of these small things -
how are they called in English - hermetically sealed contacts
operated by magnetic field.

Mike.

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