CHAPTER 10 Wide-Angle Lenses, Fisheye Lenses, and Panoramas

In this connection it is of interest to ascertain how the external world appears to a fish below the surface of smooth water. The objects surrounding or overhanging the pond must all appear within the circle of light… .

—ROBERT W. WOOD

This started me to look at the world in a different way. Ever since, sometimes I look with telephoto eyes, sometimes with wide-angle eyes.

—ALFRED EISENSTAEDT

 

 

 

10.1 Introduction

Anumber of severe problems are encountered in the design of wide-angle lenses with large apertures. First, there are the aberrations. Barrel distortion, where vertical and horizontal lines tend to bow out away from the center of the image, is common; and corrections ...

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