Complex Lens Assemblies

Multi-element systems — achromatic doublets, apochromats, beam expanders, relay systems, microscope objectives, and classical lens forms.

Comprehensive Guide

Full academic treatment with worked examples, SVG diagrams, and cited references.

Available now →
Abridged Guide

Concise quick-reference with key equations, decision tables, and practical workflows.

Available now →
Tools & Calculators

Interactive design tools — enter parameters, get component recommendations.

Achromatic Doublet Designer →Beam Expander Calculator →
2 tools available →
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General Optics Principles
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Windows & Optical Flats
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Filters
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Beam Splitters
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Optical Coatings
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Polarization & Polarizers
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Diffractive Optics
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All information, equations, and calculations have been compiled and verified to the best of our ability. For mission-critical applications, we recommend independent verification of all values. If you find an error, please let us know.