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US 2019/0293387 A1Published application
Target enhanced filtering device
AssigneeMeopta U.S.A., Inc.
InventorsPhilip E. Buchsbaum, James D. Lane
Life of this patent
Estimating the term…
Abstract
A rifle scope target enhancement filtration filter device wherein the ambient spectra's expected target reflected spectra is enhanced and the ambient spectra's expected background reflected spectra is lessened by thin film coatings on the plastic or glass filter is disclosed.
Claims6
A target enhancement filtration filter device for placement in an optical train of a rifle scope, spotting scope, binocular or other optical sighting or fire control equipment comprising:
- a plastic or glass filter;
- and,
- an optical coating on said plastic or glass filter that enhances the ambient spectra's expected target reflected spectra and lessens the ambient spectra's expected background reflected spectra.
Dependencies are inferred from the claim text.