I participated in an overseas conference and gave a presentation. This was the first time I went overseas since the pandemic. The whole experience was a mix of excitement, concern, restlessness, and happiness. Let me explain. This was my first overseas trip of any kind since the pandemic As it was for everybody, 2020 and […]| A Pencil of Rays
An overview ot the Center for Optical Research and Education in Utsunomiya University, and other academic institutes that specialize in optics.| A Pencil of Rays
What are some ways to improve the lens design through logic? What is at the bottom of this process? I have a few theories…| A Pencil of Rays
Although I like to nerd out on lens design a lot on this website, it’s not only the math and techniques of lens design that interests me. I’ve found that to learn lens design, there are many more aspects than just being able to learn the software, or just being able to calculate the ray […]| A Pencil of Rays
I went to Hiroshima, Japan, to attend an optics conference. It was a great experience, and I learned a lot. I have to say that there was a lot of presentations on Freeform surfaces and Freeform optics, so that may be something that we can investigate further. Want to hear about one of the more […]| A Pencil of Rays
A complete breakdown of the Double Gauss lens design and the Sonnar lens design. Includes history, technical examples, and performance evaluation of each.| A Pencil of Rays
The landscape lens is a fascinating look through the history of lens design. The concepts in the landscape lens can be used in any lens system.| A Pencil of Rays
First-order optics is the start to lens design. The achromatic doublet corrects chromatic aberrations, that can be calculated with thin lenses.| A Pencil of Rays
ODG is a conference with a wide range of optical design such as optical lens design, optical product fabrication, measurement/evaluation, software, etc.| A Pencil of Rays
This Guide is a birds-eye-view of all the optical systems and lens design forms out there, and will be an essential tool for any lens designer's toolbox.| A Pencil of Rays