REAR CONVERSION LENS

Title:

REAR CONVERSION LENS

Document Type and Number:

WIPO Patent Application WO/2014/132584

Kind Code:

A1

Abstract:

This rear conversion lens is furnished with: a housing having two opposing end parts and a light-transmitting opening in each end part; a first connecting member for detachably connecting one end part of the housing to the image surface side of an imaging lens designed for use in combination with the color-separating prism of a three-sensor camera having three first imaging elements; a second connecting member for detachably connecting the other end part of the housing to a single-sensor color camera having a second imaging element that has a wider imaging surface than the first imaging elements of the three-sensor camera; and an optical system in which a first lens group having a negative combined focal length, a second lens group that compensates for spherical aberration, and a third lens group having an image-formation function have been arranged, in that order from the direction of the object to be imaged, within the housing.

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Inventors:

KIKUCHI MASAHITO (JP)

Application Number:

PCT/JP2014/000764

Publication Date:

September 04, 2014

Filing Date:

February 14, 2014

Export Citation:

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Assignee:

SONY CORP (JP)

International Classes:

G02B15/10

Foreign References:

JPS58102207A	1983-06-17
JPH11194268A	1999-07-21
JP2003302574A	2003-10-24
JP2012047869A	2012-03-08
JP2005107261A	2005-04-21
JP2006349904A	2006-12-28

Other References: