SINGLE-FOCUS OPTICAL SYSTEM AND OPTICAL APPARATUS USING THE SAME

A single-focus optical system includes a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, and a third lens unit having a positive refractive power. The first lens unit includes at least a first sub-unit, a second sub-unit, and a third sub-uni...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ICHIKAWA Keisuke, MIHARA Shinichi
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION
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