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METHODS FOR FORMING SIGHTING OPTICS INCLUDING FORMING AN OPTICAL ELEMENT HAVING A PLURALITY OF TRANSPARENT RINGS AND SIGHTING OPTICS FORMED BY SUCH METHODS

United States Patent Application

20110261458
A1
View the Complete Application at the US Patent & Trademark Office
Idaho National Laboratory - Visit the Technology Transfer and Commercialization Office Website
Sighting optics include a front sight and a rear sight positioned in a spaced-apart relation. The rear sight includes an optical element having a first focal length and a second focal length. The first focal length is selected so that it is about equal to a distance separating the optical element and the front sight and the second focal length is selected so that it is about equal to a target distance. The optical element thus brings into simultaneous focus for a user images of the front sight and the target.
Crandall, David Lynn (Idaho Falls, ID)
BATTELLE ENERGY ALLIANCE, LLC (Idaho Falls ID)
13/ 179,901
July 11, 2011
GOVERNMENT RIGHTS [0002] This invention was made with government support under Contract No. DE-AC07-05-ID14517 awarded by the United States Department of Energy. The government has certain rights in the invention.