Improvements in or relating to the manufacture of adjustable focal length lenses

A variable focal length lens 90 has superposed lens elements 180, 280 having complementary cooperating optical surfaces 182, 281. A coupling member 133 of the coupling mechanism is fixed relative to the first lens element and the lens elements are moved to a configuration in which the lens elements...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Robert Edward Stevens, Alex Edginton, Paul James McPherson
Format:	Patent
Sprache:	eng
Schlagworte:	CONTACT LENSES OPTICS PHYSICS SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES
Online-Zugang:	Volltext bestellen
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