ZOOM LENS SYSTEM

Provided in an embodiment of the present invention is a zoom lens system which comprises a first lens group having positive refractive force; a second lens group having a negative refractive force; a third lens group having a positive refractive force; and a fourth lens group having positive refract...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	YOO, JI YEONG
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS
Online-Zugang:	Volltext bestellen
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