SYNOPSYS™ is one of the largest and most powerful lens design programs in the world, with features found nowhere else.  It is also one of the easiest to use.  Some items to note:

The fastest lens optimization in the world.  With its powerful PSD algorithm, SYNOPSYS can do in two seconds a job that takes other programs up to an  hour.  Literally.  For details, click here.

Friendly user interface, using simple commands as well as extensive dialogs and menus.  A few keystrokes can often do the same thing as drilling down through a lengthy menu tree.

A graphical interface, the SketchPad™, to visualize the lens and its image, with sliders to change almost any lens parameter while you watch the effect.  Insert and delete elements or prisms, split and bend elements, and spin a 3-D image around, all in real time.

Simple input can control every aspect of the lens or the image during optimization.

Artificial Intelligence to create new commands or plot almost anything against anything.

A CAM feature that lets you adjust the curve fit while you evaluate image quality, using a slider to smoothly zoom your lens.

Statistical tolerancing to a specified confidence level, with Monte-Carlo verification and fabrication adjustment emulation.

Extensive graphical output showing every aspect of the lens and its image.

Free demo modes: 12-surface limit or read-only.  Evaluate the program at no charge.

Here is an array of small aspheric lenses.

Combine several systems to check for clearances.

SYNOPSYS has an unmatched ability to model unusual edge geometry.

See the beam emerging from a YAG crystal.

Evaluate the forward scattering from a lens.

See your system in the SketchPad™, where you can change anything with a slider.

Examine the properties of a selected glass type.

Create 3-D stereo views of your lens system,either with image pairs or with red-blue anaglyph glasses.

Here is a lens with a buried ghost image.

Examine wavefront quality anywhere in the system.

SYNOPSYS has unmatched graphical output.

Display a selected glass map, showing acid sensitivity, cost, and much more.

Model an array of light sources, with …

or without individual lenses.

Prepare mechanical drawings of your elements, including prisms.

The tolerance program BTOL can automatically prepare data for assembly drawings.

This mode colors the elements according to the index and dispersion of the glass.

See which colors go where in the diffraction pattern.

An array of LED sources with cone reflectors.

The graphical system summary can document your design.

Solid models that you can spin around on the monitor.

Evaluate image quality with the Air Force resolution target.
Unusual filter

A system with an unusual filter wheel.

Combine two systems on a single drawing, showing common components.

One of many forms of image analysis, this shows the diffraction pattern through focus.
NURBS example

This is an example of a non-rotationally-symmetric NURBS surface.

One of eight forms of ghost-image analysis.

See rays in a spot diagram in the visual color of the light.

OSD, Inc. has extensive experience with nearly every kind of optical system, including instrumentation, astronomical, illumination, night-vision, infrared, eyepieces and more. Let our expertise solve your design needs quickly and efficiently.

Call Don Dilworth at 207/633-3711, or send us an email to discuss your optical design needs. We will be happy to provide an estimate at no charge. Or mail your requirements to
Optical Systems Design, Inc.
P.O. Box 247
East Boothbay, ME 04544

Click here to read Mr. Dilworth's resume

The real SYNOPSYS™ lens design program (SYNthesis of OPtical SYStems) is one of the largest and most powerful lens design programs in the world.  Fifty years of development and a native Windows interface make it easy for a novice to use and comprehensive enough for a demanding professional.

Click here to read a recent article about SYNOPSYS™.
Click here to read a recent paper given by Mr Dilworth

In 2008, Mr. Dilworth gave a Colloquium talk at the Optical Sciences Center, University of Arizona.  This talk was titled

Lens Design, 40 Years On:  Where we Were, Where we Are, How we Got There.

This talk gives a concise review of the field of computer-aided lens design for the last 40 or so years.

It is a large file, so I recommend you save it to your hard drive before running it.

Click here to watch a wmv movie of this Colloquium talk.

In November 2013 Mr. Dilworth gave a Colloquium lecture titled

Calculations and Controversy:  A difficult journey: lens design through the ages

Click here to watch a wmv movie of this talk.

(When the page opens, click on "Video:  Link")

Do I have to learn Command Language in order to use SYNOPSYS™?

What are the major differences between SYNOPSYS™ and Zemax™?  Click there to download a zip file of a PowerPoint presentation that compares the two programs.  After unzipping the files, open the .ppt file with Microsoft PowerPoint.  (The file contains animations that do not work with other ppt viewers unless you have Quicktime installed.)

SYNOPSYS™ -- Zemax comparison, in Japanese

What are the major differences between SYNOPSYS™ and Code-V™?  Click there to download a zip file of a PowerPoint presentation that compares the two programs.  After unzipping the files, open the .ppt file with Microsoft PowerPoint.  (The file contains animations that do not work with other ppt viewers.)

How can I purchase SYNOPSYS?  (Scroll down and click the Register button.)

What is the "PSD" optimization algorithm?

Learn lens design and SYNOPSYS™ with our new book.  This is a supplement to Joe Geary’s classic text Introduction to Lens Design, which shows how to work the problems in that book using SYNOPSYS™.  Click the illustration below to go to the Willmann-Bell, Inc. website, where you may purchase this volume.  (You can find the original Geary book at http://www.willbell.com/tm/lens_design/index.htmSYNOPSYS.)

Translate this Web Page:

Click this link to view this page in any of the following languages:

  Chinese  Japanese  Nederlands  Français  Deutsch  Italiano  Português  Русский  Español

Optimization Challenge:
If you are satisfied with some other lens design code, we invite you to take a simple test.  Click HERE.

SYNOPSYS Examples  Click here for more information about SYNOPSYS™. (Allow a few minutes for this page to load. It contains many graphics examples.)

Download SYNOPSYS SYNOPSYS™ Version 14.95.1 5/6/16. Download. (15.7 MB)

Click the above button to download a free trial copy of SYNOPSYS™. 

This revision requires some dll files that may not be installed on your PC.  When you run the program, you might get an error dialog reporting missing dll files.  If that is the case, download InstallSYNOPSYSdll.msi, save it, and double-click it.  The missing files will be installed.  After that, SYNOPSYS™ Version 14 should run.

SYNOPSYS will run on Windows 8.1 if installed and run as Administrator on the desktop.

SYNOPSYS will run on on Windows 10, starting with Version 14.90.2.  (Earlier versions did not execute all features correctly and required Windows 7.)  Download and save the msi files for both the dlls and SYNOPSYS.

To install the files on Windows 10, select the file InstallSYNOPSYSdll.msi and then click Manage in the top toolbar.  That gives you the option Run as Administrator.  Click that option, and then do the same for the SYNOPSYS file.  (You have to select this option even if you are the administrator).  Then reboot. 

Then SYNOPSYS should work on Windows 10.

Revision history  Click here to see a revision history of SYNOPSYS™, and what has changed in the latest update.

Download the new version of the Secure Update Utility. Safenet Sentinel has upgraded their software, and you will need to use this updated version when you access the upw file to update your dongle.  If you downloaded the file Keyfiles.zip prior to 9 January 2012, you need this version.  If you have other software that uses the Safenet Sentinel dongle, and if that software installed the update utility, you probably also have the obsolete version.  To be safe, we recommend you download and install our updated version.

Distributors:  See this link


All SYNOPSYS™ documentation is now contained in the download file.  That means it is always up to date, and you don't have to thumb through a paper copy when you want to look up something.  We recommend that new users print out the Tutorial Manual, read it completely, and work the simple examples.  The second component, the User's Manual, is too long to print -- but it is completely cross-referenced so you can find any topic within seconds, on your monitor screen.  When you run the program, type HELP UM to open the User's Manual, or HELP TM to open the Tutorial Manual. There are many ways to open the manual to a desired topic instantly.  Read about them in Section 13.1 of the manual.  This is probably the friendliest help feature in the software industry.

Click here to download a copy of the User's Manual.  Page through the index to get an idea of the range of features of this powerful program.

RUSSIAN We also provide a pdf file of  the Tutorial Manual in Russian.  Click to download a zip file of the document.

JAPANESE Click here to download a zip file of the Tutorial Manual in Japanese.

FRENCH Click here to download a zip file of the Tutorial Manual in French.

Video TutorialClick here to download a zip file with a video tutorial.  This contains 12 lessons that cover many of the basic features of SYNOPSYS™. Download this file to your hard drive, and extract the contents to a new folder, which you might name "Tutorial".  Then open the file VTUTAVI.html.

Online tutorial Click here to open a collection of tutorial lessons that illustrate how the tools in SYNOPSYS™ can be used for a variety of problems.


SYNOPSYS™ has the best support in the optics industry.  Updates are posted, on average, every two weeks.  Nearly every update contains exciting new features, many of which are the result of a user's request.  When problems are reported, we usually have a corrected version posted within 24 hours, and often the same day.  With SYNOPSYS™, your program is always up to date.  No other optics code comes close to this level of support.

Registered users:

After you purchase a license, we will send you a security dongle, which must be plugged into a USB port in order to run all features of the program.  Registered users also receive a set of anaglyph glasses that can be used to view some of the graphics of SYNOPSYS™ in true 3D.  Click on the Register button below to register your copy.  (This link will send you to the registration page, where you can choose to pay in several ways, including with a credit card.)  We also accept company POs, sent to the address above.

How to install and update your dongle:  Click here to learn about the dongle drivers and what to do when you update your support.

Trial and demo users:

If you want to try out the program first, it will run without the dongle in restricted mode: either with a 12-surface limit or else in read-only mode, which disables saving of lens files.

Read-Only installations:

If your usage of SYNOPSYS™ is confined to examining lens and plot files sent to you by another SYNOPSYS™ user, then you do not have to purchase a license.  Instead, when you start the program and see a dialog telling you that the security key is not present, simply select the Read-Only option.  You can then use all features of the program, with no surface limit – but you will not be able to save lens files.  Most of the features of the program will work in this mode -- although a few that require saving intermediate steps are also disabled.

Site License:

OSD can offer a site license to qualified educational institutions, at a special rate.  Contact OSD to discuss your needs.

To install SYNOPSYS™, click the Download button above and save the file SYNOPSYS200_v14.msi to a temporary directory.  Then double-click it to unzip and install SYNOPSYS™.

Requirements: PC with Windows 95 or higher, 42 MB of free disk space, 128 MB RAM minimum

CommentsClick here for samples of the feedback we have received from our users.

Terms and ConditionsClick here for a list of the terms and conditions that apply to your downloading and installing SYNOPSYS™.

Register SYNOPSYSClick here to find out how to purchase your copy of SYNOPSYS™,  support renewal, and how to pay for consulting services.

How to get support for SYNOPSYSClick here to get support and technical assistance with SYNOPSYS™.

On-site trainingClick here to learn about scheduling on-site training in the use of SYNOPSYS™.

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Keywords: Optical design software, optics consulting, lens design consulting, lens design consultant, lens design program, optics design, lenses, lens optimization, image analysis, lens tolerancing, Monte-Carlo analysis, MTF, statistical tolerancing, lens element drawings, spot diagrams, diffraction pattern, optical design service, optics engineer.