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Fermat.Cloud

Fast forward your lens design process

Choose between our Start Lens Generator (StartLG) for custom, tailored lens designs, or our
Stock Lens Generator (StockLG) for fast, cost-effective prototypes using readily available stock lenses.

StartLG

Ideal for engineers looking for structured starting points in custom lens design.

StockLG
Perfect for projects where speed, cost, and availability are key factors.

Find the Right Tool for Your Design Needs

StartLG

The smartest way to start your custom lens design

Built for high-performance lens designs under real-world constraints

Creates fully custom, all-spherical lens systems from your specs

Delivers ready-to-use Zemax files to accelerate design and development

Best when custom performance goals require tailored optics

StockLG

The fastest way to build cost-effective optical systems

Built for rapid prototyping under real-world constraints

Combines available off-the-shelf lenses from trusted suppliers

Delivers ready-to-use Zemax files with real stock part numbers

Best when you need fast results with moderate performance

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What Users Are Saying

An automated brute-force stock matching approach worked fine but took me days of coding and tens of hours to find an optimal solution. The Stock Lens Generator was able to find several solutions in a matter of minutes, all with superb performance matching my original design.
Indy MagnusPhotonics R&D engineer at VUB B-PHOT
We use these tools ourselves in our own workflows. They've quietly become indispensable, and we’re continually improving them based on feedback and real-world use. Tried the tools? We welcome your feedback - send us a short note, and we’d be glad to feature it here.
The Fermat.Team

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Privacy Policy

We are committed to protecting your privacy:

  1. Data Collection: We collect only the data needed for trial access, including data to improve functionality.
  2. Use of Data: Your data is used only for managing tool access, communication, and improving the tools. 
  3. Data Storage: We may retain data beyond the trial period to improve the tools and for operations. We will not share any data unless required by law.
  4. Security: We implement reasonable measures to safeguard your data.
  5. Changes: We reserve the right to update this Privacy Policy at any time.