Hello!
I’m reverse-engineering a system, and have come across some problems.
Why are the rays that are coming from the first surface stopping at the imaginary radius of surface 2 in the below image? The bottom part shows it more clearly.
Solved
Aperture Question
Best answer by Christian Zimmermann
Hello Oscar,
unfortunately I don’t see the Lens Data Editor. Nevertheless I would say it has got to do with the “Clear Semi-Diamter” vs. “Mechanical Semi-Diameter” settings. Did you apply a certain amount of “Chip-Zone” to the surfaces? How about the vignetting settings shown in Field Data Editor? Have you got “Float-by-Stop-Size” or Image Space F/# defined as aperture of the lens?
Kind regards,
Christian
Hello Oscar,
unfortunately I don’t see the Lens Data Editor. Nevertheless I would say it has got to do with the “Clear Semi-Diamter” vs. “Mechanical Semi-Diameter” settings. Did you apply a certain amount of “Chip-Zone” to the surfaces? How about the vignetting settings shown in Field Data Editor? Have you got “Float-by-Stop-Size” or Image Space F/# defined as aperture of the lens?
Kind regards,
Christian
+1Christian and Andrey both made a lot of good points. All of the problematic rays are passing outside the clear semi-diameter and moving forward in a non-physical way. The rays are trying to go where their optical path is not well defined, and we’re seeing the points where OS’s best effort to trace them fails.
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