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29 October 1998 High-magnification zoom lenses for 3- to 5-μm applications
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Abstract
Over the past twenty years numerous papers and patents have reported on the design of infrared zoom lenses for a variety of civilian and military applications. The vast majority of these lenses have been afocal 8 - 12 micrometer zoom lenses with magnification ratios of five to twenty. With the advancement of 3 - 5 micrometer staring focal plane array technology a growing demand has emerged for a compact imaging 3 - 5 micrometer zoom lens. To meet this demand a variety of such zoom lenses have been designed which support image formats of over 10 mm diagonal. In this paper the preliminary design of a high magnification 3 - 5 micrometer zoom lens is described. Infrared system modeling, detailed lens performance and manufacturing issues are reviewed.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
R. Lawrence Sinclair "High-magnification zoom lenses for 3- to 5-μm applications", Proc. SPIE 3429, Current Developments in Optical Design and Engineering VII, (29 October 1998); https://doi.org/10.1117/12.328533
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