LensHH-LT Optical Design MCP server

LensHH-LT — Optical Lens Design

LensHH-LT is a sequential optical-design tool for refractive and reflective imaging systems — triplets, Petzvals, double Gauss, Schmidt-Cassegrain and Maksutov telescopes, and similar designs.

Load a starting design from ZEMAX (.zmx), OSLO (.len), Optalix (.otx), Code V (.seq), Optiland (.json), or LensHH-LT's native .lhlt; explore it through a full set of polychromatic analyses (spot, MTF, wavefront, ray and OPD fans, Seidel, Zernike, distortion, field curvature, relative illumination, chromatic focal shift); and refine it with merit-function-driven optimization (Levenberg-Marquardt, multistart, basin hopping) plus design-shape operators (split-element, SPC synthesis) and per-element glass substitution.

The same engine is reachable from a C# API, an interactive CLI, and an MCP server for LLM agents (Claude Code, Cursor, etc.). The desktop app runs on Windows, macOS, and Linux.

This guide walks through the GUI, every analysis panel, every merit-function operand, the optimizers, the glass-catalog system, and the programmatic interfaces.

Pages

run a first analysis, run a first optimization.

• Getting Started — install, open a sample lens,

MTF, wavefront, ray fans, Seidel, Zernike, etc.) with inputs and interpretation tips.

• Analyses Reference — every analysis panel (spot,

operand with its inputs, meaning, and typical usage.

• Merit Function Reference — every merit function

Multistart, Global Search, Basin Hopping) plus design-shape operators (split-element, SPC synthesis), and when to use each.

• Optimization — the optimizers (Local LM,

make a Fixed-aperture surface's clear-aperture semi-diameter a variable and let the optimizer size the aperture directly; worked Cooke-triplet-with-vignetting case study.

• Semi-Diameter as an Optimization Variable —

vignetted pupil correctly for off-axis fields in analysis and optimization; recalculated automatically as the apertures change.

• Automatic Vignetting Factors — sample the

options in Preferences and confirm they're running with the live GPU status chip; which optimizers use the GPU and which don't.

• GPU Acceleration — configure the GPU

catalogs, preference order, custom catalogs via GlassCatalogGenerator, and glass substitution during optimization.

• Glass Catalogs — AGF format, the five shipping

C# API in your own .NET code, drive the engine from the interactive CLI, or expose it to Claude/Cursor/other MCP hosts.

• API, CLI, and MCP — programmatic access: embed the

recipe for an LLM agent to chain searchstocklenses → insertstocklens → analyze → reverse_lens → optimize against the bundled 7,600-part Edmund + Thorlabs + Ross Optical catalog.

• Agent Workflow — Stock-Lens-Based Design —

end-to-end MCP orchestrator (sasiandesignstart / status / cancel / _discard) that builds a Cooke-triplet skeleton, free-optimizes with glass substitution, then walks element-by-element replacing each free-form singlet with the best matching catalog stock part. Phase 2 entry for doublet retrofits.

• Sasian Design — Stock-Lens Triplet Pipeline —

platform (Windows installer, pre-signed macOS zip package, Linux AppImage all ship with each release); for users tracking main.

• Building from Source — optional on every

Scope

LensHH-LT supports the common workflow of a general-purpose lens designer:

Shortened. The full README is on GitHub.