Methods and Apparatus for Small Aperture Lensometer

In illustrative implementations of this invention, a lensometer includes a small aperture camera for capturing an image of light that travels from a display surface, through a subject lens and to the camera. One or more computers are programmed to perform calculations that take the image as an input...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: de Moraes Uzejka Guilherme, Sharpe Nathaniel, Soares Matsumoto Monica Mitiko, Pamplona Vitor, Hofmann Matthias, Yang Meng
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:In illustrative implementations of this invention, a lensometer includes a small aperture camera for capturing an image of light that travels from a display surface, through a subject lens and to the camera. One or more computers are programmed to perform calculations that take the image as an input and that compute, for each respective region in a set of regions of the subject lens, a refractive attribute of the respective region.