The 2026 R1 release of Ansys Zemax OpticStudio brings one of the most impactful sets of improvements in recent years—especially for teams designing compact cameras, complex imaging systems, and cross‑product workflows that span OpticStudio, Speos, Lumerical, and Ansys MultiPhysics tools.
As an Ansys Elite Channel Partner, PADT works closely with optical and optomechanical engineers across the Southwest, and this release directly addresses many of the bottlenecks we see in day‑to‑day design work.
This post highlights the updates that matter most for accelerating design cycles, improving manufacturability, and tightening integration across the Ansys Optics ecosystem.
Design for Manufacturing: NEST Brings Guided, Visual Tolerancing
The new Nested Elements and System Tolerancing (NEST) workflow is a major step forward for teams building real camera assemblies and off‑axis systems. Instead of manually inserting coordinate breaks, guessing pivot points, or juggling dozens of operands, NEST provides a visual, guided approach to optomechanical tolerancing.
Key improvements include:
- Automatic insertion of coordinate breaks and tolerance operands for nested groups
- Smart pivot presets that calculate correct tilt/decenter behavior
- Real‑time layout updates that show mechanical structure and pivot motion
- Full support for off‑axis and reflective systems
For engineers who have struggled with setup complexity or error‑prone tolerancing workflows, NEST dramatically reduces the time from concept to manufacturable design.
NSC Imaging Becomes a Practical Workflow
Non‑Sequential Mode has long been the powerhouse for stray light, scattering, and complex folded geometries—but not always the easiest environment for imaging tasks. The 2026 R1 release changes that with a suite of NSC imaging enhancements that make it a viable, efficient design path.
NSC Stop Object
- Dedicated stop objects now allow rays to interact directly with the defined clear aperture, enabling explicit stop behavior within nonsequential systems. Sequential stop definitions are preserved when converting to NSC, and elliptical stops are supported in Speos export.
NSC Quick Focus
- Automatic detector alignment—based on intended ray paths—removes the guesswork from positioning detectors in folded, diffractive, or multi‑source systems. This is especially valuable for teams working with complex illumination systems.
NSC Sequence Grouping
- Large ray‑path sets are now manageable through Sequence Grouping in the NSC Sequence Selector. Grouping can be automatic (ghost order, diffraction, TIR, source–detector pairing) or manual, and groups update dynamically.
NSC Spot Diagram
- For the first time, OpticStudio provides a native spot diagram in NSC, enabling direct evaluation of image quality without switching modes. RMS and geometric spot size, flux, reference coordinates, and optional Airy disk display are all supported. A new RSNC operand even allows optimization on NSC RMS spot size.
Together, these updates turn NSC into a practical imaging environment—not just an illumination and stray‑light tool.
Export Optical Design (ODX) to Speos Enhancements
This release significantly improves the fidelity and completeness of OpticStudio‑to‑Speos transfers:
- Full support for systems using coordinate breaks, including prisms and composite elements
- Table Glasses (ZTG) exported with wavelength‑dependent dispersion and absorption
- Sequential field points are automatically imported as surface sources within Speos, with one surface source created per field
Multiphysics & Productivity Enhancements
Several updates improve performance and day‑to‑day usability:
- Improved STAR ZST file handling for smoother multiphysics workflows
- Granta Material Picker integration into Zemax User Interface for better material selection
- Simplified edition selection and a cleaner Messages Window
- MTF analysis performance improvements
- CODE V converter enhancements
- ZOS‑API updates including session identification
- Polarization upgrades, including Mueller Matrix surfaces and improved Jones Matrix support
- New binary file format for NSC Sequence Selector
These updates may not be flashy, but they directly reduce friction for teams running large studies or integrating optics into broader simulation pipelines.
Why These Updates Matter for Engineering Teams
Across industries—high‑tech, aerospace & defense, healthcare, automotive—the pressure to deliver optical systems that are smaller, more precise, and quicker to manufacture continues to grow. The 2026 R1 release focuses on exactly those challenges:
- Faster tolerancing with fewer setup errors
- Better imaging workflows in complex NSC systems
- More accurate cross‑product transfers
For teams already using OpticStudio, these updates unlock new efficiencies. For teams evaluating Ansys Optics tools, they represent a more unified, more capable ecosystem.
Learn More with PADT
Register for the Ansys 2026 R1 Optics Update webinar here to learn about updates for additional optics products, and keep an eye out for future presentations on this latest release.
If you’re exploring how these new capabilities fit into your optical design workflow—or you want a guided walkthrough of the features most relevant to your team—PADT is here to help.
Learn how the 2026 R1 updates apply to your optics workflows—schedule a meeting with PADT’s simulation experts to see how these updates can accelerate your imaging, illumination, and optomechanical workflows.
Contact us:
Via Phone: 480-813-4884
Current Ansys Customers: swsupport@padtinc.com
New to Ansys: productinfo@padtinc.com
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