16 September 1980 Systematics Of Photographic Lens Types
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Proceedings Volume 0237, 1980 International Lens Design Conference; (1980) https://doi.org/10.1117/12.959088
Event: 1980 International Lens Design Conference, 1980, Oakland, United States
Abstract
Classification of photographic lens types has been undertaken in several ways of which the historical approach and the approach by Kingslake are the most important ones. A new classification is proposed which is based on the method of the Petzvalsum (P) correction. It is shown that the correction of P is the pivotal problem in photographic lens design and that all lenstypes can be considered as a consequence thereof. Most aberrations originate in the process of correcting P and their reduction can best be undertaken as an effort to improve the method of P correction. Fifth order field curvature is often characteristic of the method of P correction and is for most lenses the performance-limiting aberration. This classification is useful in understanding a lensform, as a guide to improve the aberration correction, and as a method to find new lensforms.
© (1980) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jan Hoogland, "Systematics Of Photographic Lens Types", Proc. SPIE 0237, 1980 International Lens Design Conference, (16 September 1980); doi: 10.1117/12.959088; https://doi.org/10.1117/12.959088
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