ZEMAX Users' Knowledge Base - Articles -

How To Optimize for Worst-Case Performance

no@spam.com (Mark Nicholson) — Sat, 10 May 2008 00:00:00 PDT

In most cases, we want to optimize for best performance over some average of the field of view or wavelength range of a system. In some cases, its useful to optimize only the worse-case scenario. This is easy to do, and this article describes how.

How to Create a New Glass Catalog

no@spam.com (Mark Nicholson) — Tue, 06 May 2008 11:30:00 PDT

This article describes how to create a glass catalog to contain your own glass data.

How to Include Detector Resolution in MTF Calculations

no@spam.com (Mark Nicholson) — Fri, 02 May 2008 11:00:00 PDT

MTF is a commonly used to describe the performance of an imaging system, but the finite resolution of the detection system is often ignored. This article describes how to account for detector pixel sizes and position shifts to give a full-system MTF measurement.

How to Use the Find Best Asphere Tool

no@spam.com (Mark Nicholson) — Fri, 02 May 2008 11:00:00 PDT

This article describes a fast method to identify which surfaces in a design will best benefit from aspherization.

How Accurate is NURBS?

no@spam.com (Mark Nicholson) — Mon, 07 Apr 2008 09:30:00 PDT

This article explains the range of ZEMAX surfaces and objects than can be exactly defined using NURBS, and gives an example of exporting high-order aspheres.

How to Test the Network Key Prior to Purchase

no@spam.com (Mark Nicholson) — Thu, 21 Feb 2008 00:00:00 PST

Many corporate customers want to convert from multiple single-user keys to network keys,but want to make sure that their networks are properly configured before changing something that's worked for years. ZEMAX has a built-in diagnostic that lets you set up a network key server without actually having a network key attached, and that then tests the connection to the server so you're sure the network key won't be blocked by firewalls, security software etc.

How Do I Monitor Usage of the Network Key?

no@spam.com (Mark Nicholson) — Fri, 11 Jan 2008 00:00:00 PST

Question: With the network key I can see what is using a ZEMAX license at any one time. Can I write this data to a log file for subsequent analysis?

What Computer Should I Buy to Run ZEMAX?

no@spam.com (Mark Nicholson) — Thu, 13 Dec 2007 00:00:00 PST

Updated December 2007. This article explains how to choose a workstation for running ZEMAX on. It concentrates on:

Choice of Processors
Amount of Memory
Graphics Card
Some other Frequently Asked Questions about computers

How To Submit Vendor Data To Be Distributed With ZEMAX

no@spam.com (Mark Nicholson) — Tue, 27 Nov 2007 00:00:00 PST

This article explains how to submit test plate, lens and glass catalog data for distribution with ZEMAX.

What to do when ZEMAX will not run

no@spam.com (Mark Nicholson) — Wed, 31 Oct 2007 01:00:00 PDT

This article explains:

What to do if ZEMAX asks you for a license code when you run the program
What to do if ZEMAX cannot find your hardware key when you run the program