# Lost Aspheric Lens Design Equation Found

• I
• halibut
In summary, the conversation discussed ideal shapes for lenses and a broken link that was shared in an old thread. A member was able to find the correct link on the Internet Archive, which contained an aspheric lens equation. The link was later updated in the old thread. Fair Use was also mentioned in relation to sharing a screenshot of the equation.
halibut
Hi all,

I was interested in ideal shapes for lenses and Google popped up this very old thread:
"Mathematical shape for a lens with no spherical aberration"A member named Redbelly98 replied (<link>) with a now-broken link to a Thorlabs page that gave an aspheric lens equation.

Took a minute, but I think this is the page with that equation (on the page's "Lens Equation" tab) safely preserved on Internet Archive:
"Molded Glass Aspheric Lenses: 350 - 700 nm or 400 - 600 nm AR Coating" - Thorlabs

Drakkith
I edited a screencap of the formula (for compactness)
from the ThorLabs web-page, by virtue of Fair Use
bcoz U.S.Code Title 17, Section 107, blah blah blah

## 1. What is the "Lost Aspheric Lens Design Equation"?

The "Lost Aspheric Lens Design Equation" is a mathematical formula used in the design and manufacturing of aspheric lenses. It takes into account the curvature and shape of the lens to produce a more accurate and precise lens for correcting vision.

## 2. Why was the "Lost Aspheric Lens Design Equation" considered lost?

The "Lost Aspheric Lens Design Equation" was considered lost because it was not widely known or used in the field of optics for many years. It was only recently rediscovered and brought back into use by scientists and researchers.

## 3. How was the "Lost Aspheric Lens Design Equation" found?

The "Lost Aspheric Lens Design Equation" was found through extensive research and experimentation by scientists and engineers. They studied past literature and conducted new experiments to uncover the equation and its applications.

## 4. What are the benefits of using the "Lost Aspheric Lens Design Equation"?

The "Lost Aspheric Lens Design Equation" allows for more precise and accurate design of aspheric lenses, resulting in better vision correction for individuals. It also allows for more efficient and cost-effective manufacturing processes.

## 5. How will the rediscovery of the "Lost Aspheric Lens Design Equation" impact the field of optics?

The rediscovery of the "Lost Aspheric Lens Design Equation" has the potential to greatly impact the field of optics by improving the design and manufacturing of aspheric lenses. It may also lead to further advancements and innovations in the field of optics.