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Zemax OpticStudio ZOS-API 2026 R1

Changelog

Last update: 13.03.2026

Updates and fixes to the ZOS-API by OpticStudio release.

26 R1

25 R2.04

25 R2

25 R1.01

  • Fixes
    • Fixed a bug in the IZRDReader causing incorrect data for all segments except the first

25 R1

  • Updates
    • Added the MPVT operand
    • Added chief ray export and ray filter support to IExportCAD

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