12 October 1977 The Practical Realisation Of A Set Of Standard Reference Lenses
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Proceedings Volume 0098, Assessment of Imaging Systems I; (1977) https://doi.org/10.1117/12.955276
Event: Assessment of Imaging Systems, 1976, London, United Kingdom
The National Physical Laboratory has sponsored fully toleranced optical designs of five standard reference lenses for the assessment of equipment used in measurement of the Optical Transfer Function. This paper will briefly describe those designs, indicating the particular imaging characteristics that each lens simulates and the tolerances associated with each design if the theoretical performance level is to be achieved. The influence of those tolerances on the mechanical design of the lens mounts will be indicated and the difficulties in manufacture arising from them discussed. Examples of three lens designs have been completed to date. The performance of two designs, measured both interferometrically and directly on an OTF measuring instrument, will be compared with the theoretically predicted performance. The performance of the third design, a triplet lens, has only been assessed interfero-metrically. A comparison of these initial measurements with theoretical performance will also be presented. Progress in the construction of the other two lens designs will be reported.
© (1977) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
K. G. Birch, K. G. Birch, G. Cunningham, G. Cunningham, "The Practical Realisation Of A Set Of Standard Reference Lenses", Proc. SPIE 0098, Assessment of Imaging Systems I, (12 October 1977); doi: 10.1117/12.955276; https://doi.org/10.1117/12.955276


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