18 August 2005 Lens systems with large optical invariant
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Splitting an optical system into two parts separated by an intermediate image is a very fruitful method for designing ultra-wide-angle, ultra-large-aperture lenses. This technique is illustrated by several designs having an extremely large optical invariant. These designs are further characterized by low geometrical distortion and remarkably uniform relative illumination.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
J. Brian Caldwell, "Lens systems with large optical invariant", Proc. SPIE 5865, Tribute to Warren Smith: A Legacy in Lens Design and Optical Engineering, 58650G (18 August 2005); doi: 10.1117/12.624565; https://doi.org/10.1117/12.624565


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