Automatic Optical Focus Control Device and Optical Instrument Comprising The Same

The present invention relates to an automatic optical focusing apparatus and an optical apparatus including the same, wherein two light receiving units for focusing which are spaced the same distance from a focal point in opposite directions are varied according to a magnification of an objective le...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KIM DONGHAN, JEON YONGHEE, CHO GYUHYEONG, JUNG HUYNDON, JANG DONGHYUN, KIM YOUNGBEOM
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS
Online-Zugang:	Volltext bestellen
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