Providing optical systems having improved properties to...

Details Providing optical systems having improved properties to... Providing optical systems having improved properties to...

2007-05-29

2007-05-29

Thompson, Timothy (Department: 2873)

Optical: systems and elements

Lens

With multipart element

C359S743000

Reexamination Certificate

active

11432944

ABSTRACT:
Optical systems providing any or all of better images, brighter images, better optical usability, and better mechanical flexibility are made available to users of catalog lenses. These systems are enabled by apparatus including field compressor/corrector lenses and coordinated groups of field compressor/corrector lenses, and methods which include teaching the user how to make effective use of the apparatus. In preferred embodiments, the field compressor/corrector lenses are newly designed and are adapted to correct a field aberration of standard achromatic doublets. The apparatus may also be extracted from prior art lens combinations by separating these combinations into discrete components. These discrete components are then provided to the user and the user is taught how to combine these components to meet the user's specific requirements.

REFERENCES:
patent: 3014407 (1961-12-01), Altman
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H. Rutten & M. vanVenrooij, Telescope Optics, book, pp. 157-160, Willmann-Bell, Richmond, Va., 2002.
Jamieson, T.H., Thick Meniscus Field Correctors, journal, Applied Optics, vol. 21, No. 15, pp. 2799-2803, 1982.
Product data sheet, “2.5 X CCD Compressor”, Lumicon, Inc., available at www.lumicon.com/25x.htm, last accessed Jul. 27, 2006.
Walker, B. H., Lens data file, “Petzval EdSci.len”, Lambda Research Corporation, available at www.lambdares.com/walker/fundamentals.phtml, last accessed Jul. 27, 2006.
Jaci, M., Jaci's Lenses, article, available at www.astronomia-carj.com.br/htdocs/english/jaci2.htm, last accessed Jul. 27, 2006.

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