Good luck with your project, Bojan!
By the way, the scintillation effect that I mentioned is due to the corrector plate being distorted in many different directions, so the photons were being scattered in all sorts of directions. Two things were the consequence:
1, if seeing was not perfect, then this was exacerbated with the photons being thrown around in every direction, so the image appeared to vibrate and shimmer beyond what seeing does;
2, the image will not focus sharp at high magnification - it can't, the figure of the optics is stuffed so the photons are not all going where they are supposed to.
Alex.
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