High-performance wide-angle objective lens systems with internal close-focusing optics and multiple aspheric surfaces for the visible waveband

Iain A. Neil

doi:10.1117/12.246665

23 August 1996 High-performance wide-angle objective lens systems with internal close-focusing optics and multiple aspheric surfaces for the visible waveband

Iain A. Neil

Author Affiliations +

Proceedings Volume 2774, Design and Engineering of Optical Systems; (1996) https://doi.org/10.1117/12.246665
Event: Optical Instrumentation and Systems Design, 1996, Glasgow, United Kingdom

Abstract

The optical design of a high performance short focal length lens system and several derivatives thereof which cover the Super 16 mm film format is described. Particular areas of discussion include the use of internal close focusing optics to eliminate the need for precision focusing mechanics and the use of multiple aspheric surfaces, as well as, internal filtration to reduce system size, weight and cost. Other areas, concerning optical `breathing', distortion and material choice, especially very high index glasses, are also addressed.

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Iain A. Neil "High-performance wide-angle objective lens systems with internal close-focusing optics and multiple aspheric surfaces for the visible waveband", Proc. SPIE 2774, Design and Engineering of Optical Systems, (23 August 1996); https://doi.org/10.1117/12.246665

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