"Imaging Lens And Imaging Apparatus"

Abstract: An imaging lens includes: an aperture stop; a first lens having a positive refractive power; a second lens having a negative refractive power which is formed in a concave shape on both sides thereof; a third lens having a positive refractive power which is formed in a meniscus shape in which a concave surface is directed toward the side of an object; and a fourth lens having a negative refractive power in which a convex surface is directed toward the object side, which are sequentially disposed from the object side to the image side, wherein the imaging lens satisfies the following conditional expressions (1), (2), (3) and (4): (1) 0.40 < f1/|f2| < 0.80 (2) 0.10 < f/f3 < 0.80 (3) 0.20 < f/|f4| < 1.00 (4) vdl - vd2 > 25.

Patent Information

Application #

Filing Date

07 December 2011

Publication Number

03/2013

Publication Type

INA

Invention Field

MECHANICAL ENGINEERING

Status

Email

remfry-sagar@remfry.com

Parent Application

Applicants

SONY CORPORATION

1-7-1 KONAN, MINATO-KU, TOKYO, JAPAN

Inventors

1. HIDEAKI OKANO

C/O SONY EMCS CORPORATION, 1-7-1 KONAN, MINATO-KU, TOKYO, JAPAN

Specification

NA

Documents

Application Documents

#	Name	Date
1	3541-del-2011-Form-3-(24-04-2012).pdf	2012-04-24
2	3541-del-2011-Correspondence-Others-(24-04-2012).pdf	2012-04-24
3	3541-del-2011-GPA.pdf	2012-06-11
4	3541-del-2011-Form-5.pdf	2012-06-11
5	3541-del-2011-Form-3.pdf	2012-06-11
6	3541-del-2011-Form-2.pdf	2012-06-11
7	3541-del-2011-Form-1.pdf	2012-06-11
8	3541-del-2011-Drawings.pdf	2012-06-11
9	3541-del-2011-Description (Complete).pdf	2012-06-11
10	3541-del-2011-Correspondence-others.pdf	2012-06-11
11	3541-del-2011-Claims.pdf	2012-06-11
12	3541-del-2011-Abstract.pdf	2012-06-11
13	3541-del-2011-Form-3-(21-06-2013).pdf	2013-06-21
14	3541-del-2011-Correspondence Others-(21-06-2013).pdf	2013-06-21