I have few points, but guees you will need to figure it out yourself: $Xu3s~:S
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1. You left Surface Aperture Max Radius = 38mm for all the surfaces simply because of mechanical construction concern? e;6KxvX~
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2. If you define your aperture using Object NA and Gauusian apodization, I suppose you wish to simulate a laser beam source, since you also defined Surface Apeture Raidus, some rays aiming at the edge will certainly "miss" the surfaces 8v& \F
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3. Why afocal mode?? k*hl"oL"X
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