FOCAL-POINT CORRECTION DEVICE

The disclosed focal-point correction device is provided with: a mobile lens barrel that can move in the light-axis direction while holding at least one optical element; a heat-deformation member of which the height in the light-axis direction changes by means of heat deformation during a temperature...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WATARU KOHEI, TATSUMI TAKAHIRO
Format:	Patent
Sprache:	eng ; fre ; jpn
Schlagworte:	OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS
Online-Zugang:	Volltext bestellen
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