Shouldn't the mirror be parabolic and not spherical?
@GordonWaite
2 жыл бұрын
For most typical telescope mirrors, you make them spherical first, and then alter them to be parabolic. The final goal is a parabola.
@ghlscitel6714
2 жыл бұрын
@@GordonWaite I see. How large is according to your experience the deviation between the ideal theoretical paraboloid and the real practically crafted surface curvature? How do you measure it?
@phonotical
4 жыл бұрын
was really hoping for a video of the binoscope in use1d like a great project!
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