Peripheral filtering optical eyeglasses
A filter or lens for common optical apparatus includes a clear center portion and an attenuating peripheral portion where the peripheral portion attenuates off-axis images and passes on-axis images with high signal to noise ratios yet not completely blocking the off-axis images, which lens is well s...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A filter or lens for common optical apparatus includes a clear center portion and an attenuating peripheral portion where the peripheral portion attenuates off-axis images and passes on-axis images with high signal to noise ratios yet not completely blocking the off-axis images, which lens is well suited for reducing off-axis glare in the optical apparatus that may be handheld optical apparatus such as binoculars, telescopes, cameras, and eyeglasses. |
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