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OpticStudio help documentation

  • November 18, 2025
  • 8 replies
  • 266 views

Jeff.Wilde
Luminary
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I don’t know about other users, but I find the new help system that requires an internet connection with login to an Ansys account to be rather annoying and less user friendly than the previous built-in CHM help file.

A while back, Tom posted a note that an option for accessing help files without needing an internet connection was in the works:

Just wondering if someone from Ansys can comment?

Thanks,

Jeff

Best answer by Chris Normanshire

Hi ​@Jeff.Wilde ​@Sean Turner.

@Allie has just confirmed in her recent reply to Suspect Bug: Go To Surface | Zemax Community. That the offline help is scheduled to be included in OpticStudio 2026R1.

 

8 replies

Sean Turner
Fully Spectral
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  • Fully Spectral
  • November 18, 2025

I agree. The online help documentation is much slower to navigate than the local help document. Each time I want to step down a level in the navigation, the entire webpage has to refresh.

A few months ago, ​Allie mentioned a new approach similar to the old CHM file is in the works. I wonder how soon that might be implemented. 

 


Jeff.Wilde
Luminary
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  • Author
  • Luminary
  • November 18, 2025

Yes, I hope a local help solution is re-implemented sooner rather than later.  I understand that Zemax probably had to adopt an Ansys practice when this change was made, but unfortunately in doing so they violated a basic axiom, namely: “If it ain’t broke, don’t fix it!”


Chris Normanshire
Zemax Staff
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Hi ​@Jeff.Wilde ​@Sean Turner.

@Allie has just confirmed in her recent reply to Suspect Bug: Go To Surface | Zemax Community. That the offline help is scheduled to be included in OpticStudio 2026R1.

 


  • Monochrome
  • November 19, 2025

I don’t know about other users, but I find the new help system that requires an internet connection with login to an Ansys account to be rather annoying and less user friendly than the previous built-in CHM help file.

You’re not alone.

While it is not an actual solution - install an older version of Zemax to get the .chm help file. You can save the .chm file elsewhere if you want to remove the older version.

I find that an online help system is very slow too.


Jeff.Wilde
Luminary
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  • Author
  • Luminary
  • November 19, 2025

@Egis, Yes, on occasion I use a copy of the 2024 chm file, but of course the primary limitation is that there is no link to the 2025 GUI topical help (?) buttons.  


  • Monochrome
  • March 19, 2026

Lifting up.

With 26 R1 - Does F1 work for you? It opens here but only one page is good “Ansys Help” how to use it. No Table of Contents nor search.


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  • Fully Spectral
  • March 19, 2026

Lifting up.

With 26 R1 - Does F1 work for you? It opens here but only one page is good “Ansys Help” how to use it. No Table of Contents nor search.

Did Ansys release OpticStudio 2026 R1 ?


Jeff.Wilde
Luminary
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  • Author
  • Luminary
  • March 19, 2026

Yes, ZOS 26 R1 has been released, and it contains support for off-line help, similar to the older *.chm file version. Search capability is included. 

Details are here:  Installing Off-Line Help for ZOS 26 R1