29 January 1985 Passively Athermalised Folded Telephoto Vidicon Lens
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Proceedings Volume 0518, Optical Systems Engineering IV; (1985) https://doi.org/10.1117/12.945178
Event: 1984 Cambridge Symposium, 1984, Cambridge, United States
Abstract
A restricted and folded space envelope and the requirement to operate in focus without adjustment over a wide temperature range often leads to an optical system whose design departs significantly from the classical constructions. The design of a folded, passively athermalised 250mm F/2.5 vidicon lens is described, highlighting how the space and environmental constraints strongly governed the form of lens design. Two methods of built in test equipment injection are described.
© (1985) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
David G. Norrie, David G. Norrie, } "Passively Athermalised Folded Telephoto Vidicon Lens", Proc. SPIE 0518, Optical Systems Engineering IV, (29 January 1985); doi: 10.1117/12.945178; https://doi.org/10.1117/12.945178
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