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Hi there,

I found a very helpful description of Mark Nicholson on “How to model a black-box optical system using Zernike coefficients”.

When I start calculating Huygens PSF in that paraxial equivalent model, I see some deviations to the real system (especially when I go to large field angles).

Why and what should I consider to make Huygens PSF work “correctly” in that case? Any ideas?

Kind regards!

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