Recent Developments In High Speed Lens Design At The NPRL

M. W. Mcdowell; H. W. Klee

doi:10.1117/12.975574

1 September 1987 Recent Developments In High Speed Lens Design At The NPRL

M. W. Mcdowell, H. W. Klee

Proceedings Volume 0674, 17th Intl Congress on High Speed Photography and Photonics; (1987) https://doi.org/10.1117/12.975574
Event: 17th International Conference on High Speed Photography and Photonics, 1986, Pretoria, South Africa

Abstract

Although the lens provides the link between the high speed camera and the outside world, there has over the years been little evidence of co-operation between the optical design and high speed photography communities. It is still only too common for a manufacturer to develop a camera of improved performance and resolution and then to combine this with a standard camera lens. These lenses were often designed for a completely different recording medium and, more often than not, their use results in avoidable degradation of the overall system performance. There is a tendency to assume that a specialized lens would be too expensive and that pushing the aperture automatically implies more complex optical systems. In the present paper some recent South African developments in the design of large aperture lenses are described. The application of a new design principle, based on the work earlier this century of Bernhard Schmidt, shows that ultra-fast lenses need not be overly complex and a basic four-element lens configuration can be adapted to a wide variety of applications.

Citation Download Citation

M. W. Mcdowell and H. W. Klee "Recent Developments In High Speed Lens Design At The NPRL", Proc. SPIE 0674, 17th Intl Congress on High Speed Photography and Photonics, (1 September 1987); https://doi.org/10.1117/12.975574

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KEYWORDS

Lens design

Monochromatic aberrations

Objectives

High speed photography

Optical design

Aspheric lenses

Tolerancing

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