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Simulating the Mechanics of Lens Accommodation via a Manual Lens Stretcher

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Published on: February 23, 2018

Mechanically compensated zoom lenses with a single moving element.

R B Johnson, C Feng

|August 20, 2010

Summary

Researchers explored lens design, finding a method to solve imaging problems with few lenses. This led to a new mechanically compensated zoom lens design using only one moving element, simplifying optical systems.

Area of Science:

Optical engineering and lens system design.
Investigating the fundamental principles of optical imaging.
Exploring advancements in zoom lens technology.

Background:

Traditional imaging systems often require multiple lens elements.
Mechanically compensated zoom lenses face challenges with mechanical tolerances.
Existing methodologies for determining solution spaces in optical design are limited.

Purpose of the Study:

To develop a methodology for identifying potential solution spaces in optical imaging problems.
To investigate the feasibility of designing zoom lenses with minimal moving elements.
To present a novel infrared zoom lens design based on new optical configurations.

Main Methods:

Investigated a methodology for determining the solution space of basic imaging problems.

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Expanded the methodology to analyze zoom lens systems.

Designed and presented an infrared zoom lens based on the findings.

Main Results:

Identified conditions allowing for mechanically compensated zoom lenses with a single moving lens element.
Demonstrated the feasibility of this design through an infrared zoom lens example.
Showcased potential mitigation of mechanical tolerances in zoom lens systems.

Conclusions:

A new approach to optical design can simplify imaging systems.
The development of single-moving-element zoom lenses is feasible.
This optical configuration offers improved tolerance control in mechanically compensated systems.