Miniaturization of zoom lenses with a single moving element

We present an analysis of single-moving-element zoom lenses in the thin-lens limit and show how the length of these zoom lenses is determined by the zoom-factor, sensor-dimension and the depth-of-focus. By decreasing the sensor size and extending the depth-of-focus, the lengths of these zoom lenses...

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Published in:Optics express 2009-04, Vol.17 (8), p.6118-6127
Main Authors: Demenikov, Mads, Findlay, Ewan, Harvey, Andrew R
Format: Article
Language:English
Subjects:
Computer-Aided Design
Equipment Design
Equipment Failure Analysis
Image Enhancement - instrumentation
Lenses
Miniaturization
Motion
Photography - instrumentation
Reproducibility of Results
Sensitivity and Specificity
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description We present an analysis of single-moving-element zoom lenses in the thin-lens limit and show how the length of these zoom lenses is determined by the zoom-factor, sensor-dimension and the depth-of-focus. By decreasing the sensor size and extending the depth-of-focus, the lengths of these zoom lenses can be reduced significantly. As an example we present a ray-traced design of a miniaturized single-moving-element zoom lens with a 2.3 x zoom-factor and show how the exploitation of modern miniaturized detector array combined with wavefront coding enables a reduction in length of almost three orders-of-magnitude to 10mm.
doi_str_mv 10.1364/OE.17.006118
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source Free E-Journal (出版社公開部分のみ）
subjects Computer-Aided Design
Equipment Design
Equipment Failure Analysis
Image Enhancement - instrumentation
Lenses
Miniaturization
Motion
Photography - instrumentation
Reproducibility of Results
Sensitivity and Specificity
title Miniaturization of zoom lenses with a single moving element
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