Understanding how entrance and exit pupils have determined the evolution of the modern zoom lens design (tutorial)

Ellis Betensky

doi:10.1117/12.2190098

3 September 2015 Understanding how entrance and exit pupils have determined the evolution of the modern zoom lens design (tutorial)

Ellis Betensky

Author Affiliations +

Proceedings Volume 9580, Zoom Lenses V; 958004 (2015) https://doi.org/10.1117/12.2190098
Event: SPIE Optical Engineering + Applications, 2015, San Diego, California, United States

Abstract

In this tutorial the position of the aperture stop, rather than the number of moving groups, is used as a means of examining the design characteristics, and explaining how new designs have evolved. In addition to lens diameters, as determined by paraxial locations and the effects of aberration of the pupils, the position of the pupils, and their shapes as a function of zooming will be examined. The primary objective of the tutorial is to provide insight and a better understanding of zoom lens fundamentals, towards the selection of a design starting point; whether from an existing design, or from basic principles.

Citation Download Citation

Ellis Betensky "Understanding how entrance and exit pupils have determined the evolution of the modern zoom lens design (tutorial)", Proc. SPIE 9580, Zoom Lenses V, 958004 (3 September 2015); https://doi.org/10.1117/12.2190098

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