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Method of zoom lens design.

Antonín Miks¹, Jirí Novák, Pavel Novák

¹Czech Technical University in Prague, Faculty of Civil Engineering, Department of Physics, Thakurova 7, 166 29 Prague 6, Czech Republic. miks@fsv.cvut.cz

|November 13, 2008

Summary

This study presents a simple method for designing zoom lenses using third-order aberration theory. It enables determining optical element parameters and residual aberrations for improved zoom lens design.

Area of Science:

Optical Engineering
Optics Design

Background:

Zoom lenses with variable optical characteristics are increasingly used in various applications.
Continuous development of zoom lens design methods is essential for advancing optical systems.

Purpose of the Study:

To introduce a simplified method for designing zoom lenses.
To utilize third-order aberration theory for efficient optical system design.

Main Methods:

Applying third-order aberration theory to derive Seidel aberration coefficients for individual zoom lens members.
Solving a set of linear equations to obtain these aberration coefficients.
Determining residual aberrations and construction parameters (radii of curvature, thicknesses) of optical elements.

Main Results:

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A straightforward approach to obtaining Seidel aberration coefficients for zoom lens elements.
Ability to calculate residual aberrations without detailed element structure knowledge.
Identification of elements requiring simple lens designs versus complex designs (doublets, triplets).

Conclusions:

The proposed method offers a simplified yet effective approach to zoom lens design.
It facilitates the determination of optical element specifications and complexity.
This method contributes to the ongoing improvement of zoom lens design techniques.