Zemax User Manual Site

A: Use the legacy manual only. The new Ansys manual covers features not present in 2017 (e.g., Enhanced Ray Tracing, STAR module). Attempting to use the new manual will lead to syntax errors.

A: Yes. The "Tutorials" chapter (usually Chapter 20 in legacy manuals) provides step-by-step instructions for a Double Gauss, a Cooke Triplet, and a Schmidt-Cassegrain telescope. zemax user manual

The heart of lens design. This section clarifies: A: Use the legacy manual only

Don't just click "FFT MTF"—read the manual’s chapter on Diffraction Analysis . It explains what the settings like “Sampling,” “Padding,” and “Surface” actually mean, preventing misinterpretation of results. It also covers Spot Diagrams, Ray Fans, and OPD (Optical Path Difference) plots. A: Yes

Detailed instructions on interpreting Spot Diagrams , MTF (Modulation Transfer Function) charts, and Encircled Energy plots.

: The primary spreadsheet for entering lens radii, thicknesses, and glass materials.