The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 19, 2014
Filed:
Aug. 02, 2013
Nikon Corporation, Tokyo, JP;
Toshinori Take, Yokohama, JP;
Masanori Hasuda, Fujisawa, JP;
Noriyasu Kotani, Tokyo, JP;
Hideaki Hoshikawa, Koshigaya, JP;
Nikon Corporation, Tokyo, JP;
Abstract
A camera system having a predetermined image circle, comprises: an interchangeable lens having a lens mount portion; and a camera body having an image sensor that is disposed within that image circle, and a body mount portion, wherein, when a radius of circular portion at a maximum internal diameter part of an opening portion of the lens mount portion is termed rM, a flange back that is a distance from the lens mount portion to a light reception surface of an image sensor in a state that the interchangeable lens and the camera body are mutually engaged is termed da, and the diameter of the image circle is termed D, the following equations are satisfied:14.0 mm≦2rM≦40.0 mm  Conditional Expression #116.0 mm≦da≦20.0 mm  Conditional Expression #214.0 mm≦D≦20.0 mm  Conditional Expression #3.