Abstract

The camera which has been developed consists of a spherical mirror and a corrector lens with spherical surfaces. The equivalent focal length is about 900 mm and the relative aperture is f/4. The design is based on the theory by Argentieri and becomes a camera of the nonconcentric type. The useful range of the camera is from 2500 A to 12 000 A. Some details of the construction and results obtained are shown.

© 1954 Optical Society of America

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