IMAGING LENS AND IMAGING DEVICE

To achieve high performance. A first lens having a positive refractive power with a convex surface facing an object side, a second lens having a positive refractive power, a third lens having a negative refractive power, a fourth lens having a positive refractive power or a negative refractive power...

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Bibliographische Detailangaben
Hauptverfasser:	TANIYAMA, MINORU, KAMEBUCHI, KENTA, NIHEI, YASUHIDE
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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Beschreibung
Zusammenfassung:	To achieve high performance. A first lens having a positive refractive power with a convex surface facing an object side, a second lens having a positive refractive power, a third lens having a negative refractive power, a fourth lens having a positive refractive power or a negative refractive power with a concave surface facing the object side, a fifth lens having a positive refractive power or a negative refractive power, a sixth lens having a positive refractive power with a concave surface facing an image side, and a seventh lens having a negative refractive power in the vicinity of an optical axis, a surface on the image side of which is formed into an aspherical shape having an inflection point are provided in order from the object side to the image side.