Dispersion demonstrator for eyewear lenses

The invention relates to an apparatus for comparatively demonstrating the optical properties of eyewear lenses, particularly dispersion. The apparatus includes an illumination source that provides output of shorter wavelength visible light and longer wavelength visible light, a target that creates a...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	TAMKIN JOHN M, YAMASAKI NANCY L. S, BALCH THOMAS A, SIDHU JOTINDERPAL S
Format:	Patent
Sprache:	eng
Schlagworte:	MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS TESTING
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