Quote:
Originally Posted by Peter Ward
Yes, you could place the AO higher up the imaging train. But I'm not sure whether you'd see any distortion as a result.
My AOX is about 5 years old...still works flawlessly. The SBIG version does not use motors. Electromagnetic coils are use to modulate a "floating" refractive element's position.
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Good to know - thank you Peter.
As for star shapes in front of the corrector - I believe that uncorrected field curvature in front of a flattener and far away from the optical axis will most certainly result in highly elongated star shapes in a guide camera. Whether that would impact guiding - I don’t know.