Optical lens and electronic equipment

The invention provides an optical lens and electronic equipment. The optical lens sequentially comprises, from a first side to a second side, a first lens with negative focal power, a second lens with negative focal power, a third lens with negative focal power and a fourth lens with negative focal...

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Bibliographische Detailangaben
Hauptverfasser:	GUAN QIRUI, XU CHAO, YANG JIA, LI XIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING
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Beschreibung
Zusammenfassung:	The invention provides an optical lens and electronic equipment. The optical lens sequentially comprises, from a first side to a second side, a first lens with negative focal power, a second lens with negative focal power, a third lens with negative focal power and a fourth lens with negative focal power, the first side surface of the second lens is a convex surface, and the second side surface of the second lens is a concave surface; the third lens has positive focal power, and the second side surface of the third lens is a convex surface; the first side surface of the fourth lens is a concave surface, and the second side surface of the fourth lens is a convex surface; the fifth lens has positive focal power, and the second side surface of the fifth lens is a convex surface; and the sixth lens has positive focal power, and the first side surface of the sixth lens is a convex surface. The optical lens solves the problems that an optical lens in the prior art is small in size, small in front-end aperture, smal