Hello,
As the Help file said that the Qcon surface formula used by ZEMAX is based on the document 'Shape specification for axially symmetric optical surfaces' written by G. W. Forbes.
So the formula used by ZEMAX to describe the surface shape using Qcon is as illustrated in the following formula diagram, right?
Thanks
Hi Laura
Yes correct. Here is a slide that we use in our training to introduce the Q-type asphere:
Sandrine
Enter your E-mail address. We'll send you an e-mail with instructions to reset your password.
Do not provide any information or data that is restricted by applicable law, including by the People’s Republic of China’s Cybersecurity and Data Security Laws ( e.g., Important Data, National Core Data, etc.).
不要提供任何受适用法律，包括中华人民共和国的网络安全和数据安全法限制的信息或数据（如重要数据、国家核心数据等）。