Optical imaging system and portable electronic device

Optical imaging system and portable electronic device

An optical imaging system includes a first lens, a second lens, a third lens, and a fourth lens disposed in order from an object side. The optical imaging system satisfies 4.0 < f/IMG_HT < 5.0, where f is a focal length of the optical imaging system, and IMG_HT is one-half of a diagonal length...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: KIM, HAGUL, JO, YONG-JOO, LIM, CHE-YOUNG
Format: Patent
Sprache:chi ; eng
Schlagworte:
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Beschreibung
Zusammenfassung:An optical imaging system includes a first lens, a second lens, a third lens, and a fourth lens disposed in order from an object side. The optical imaging system satisfies 4.0 < f/IMG_HT < 5.0, where f is a focal length of the optical imaging system, and IMG_HT is one-half of a diagonal length of an imaging plane.