Discussions

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  AttributeError: 'Optic' object has no attribute 'surfaces'

  hellerkopf asked Mar 28, 2026 in Q&A · Unanswered

  

  

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  Effective focal length of a subset of lenses

  ZvejysMegejas started Feb 13, 2026 in Ideas

  

  

  

  

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  Generic optimization for tolerancing not working with SciPy 1.17.1

  PhilipWestergaard started Feb 27, 2026 in General

  

  

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  MTF vs Field

  ZvejysMegejas started Feb 13, 2026 in Ideas

  

  

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  Problem with tutorial-1c

  lruba939 asked Feb 17, 2026 in Q&A · Unanswered

  

  

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  Ray aiming and apterture stop location for folded reflective systems

  TheKorbi asked Feb 17, 2026 in Q&A · Closed · Unanswered

  

  

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  PyTorch Backend Error

  muslikhah10-alt asked Dec 7, 2025 in Q&A · Closed · Unanswered

  

  

  

  

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  A question about SampleMTF in opliand docs : what's the meaning of fx >0 and fy >0

  wuxujiong asked Feb 7, 2026 in Q&A · Unanswered

  

  

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  How to compute the phase map and zernikes of a collimated beam?

  victoire00 asked Feb 3, 2026 in Q&A · Unanswered

  

  

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  A question about PTV(peak-to-valley) default merit function

  AhuRanger1027 asked Jan 28, 2026 in Q&A · Answered

  

  

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  Abbe defined at e

  ZvejysMegejas asked Jan 3, 2026 in Q&A · Unanswered

  

  

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  GUI launch error from console

  francocheli-gif started Jan 7, 2026 in General

  

  

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  Wavelength-dependent PhaseInteractionModel

  blu-canopus started Jan 24, 2026 in Ideas

  

  

  

  

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  the problem of pytorch based optimizer

  wuxujiong asked Dec 23, 2025 in Q&A · Closed · Unanswered

  

  

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  FieldCurvature.view() displays absolute z-coordinates instead of delta from paraxial focus?

  leeseunguk started Dec 22, 2025 in General · Closed

  

  

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  Extending optimization features to use Levenberg-Marquardt algorithm

  kalosu started Nov 17, 2025 in General

  

  

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  Micro lens arrays

  JacobSimuT started Dec 12, 2025 in Ideas

  

  

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  feed optical fibre.

  mxhf asked Dec 8, 2025 in Q&A · Unanswered

  

  

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  Trying to understand wavefront aberration calculation

  dibyendumajumdar asked Dec 11, 2025 in Q&A · Answered

  

  

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  Looking for Multi-configuration in Zemax files

  pattabhiecon started Nov 20, 2025 in General

  

  

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  Transformation Optics Lens

  katto01 asked Nov 26, 2025 in Q&A · Unanswered

  

  

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  Plane diffraction grating

  bassistTech started Jun 5, 2025 in Ideas

  

  

  

  

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  Creating an Optics Textbook Based on Optiland

  goldengrape started Nov 5, 2025 in Ideas

  

  

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  Problems with importing Thorlabs lenses

  raulcantos asked Nov 7, 2025 in Q&A · Closed · Answered

  

  

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  Will using Torch improve optimization speed?

  Yekai97 asked Nov 5, 2025 in Q&A · Unanswered

  

  

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