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:
Jul. 09, 2019
Filed:
Dec. 28, 2018
Nikon Corporation, Tokyo, JP;
Natsuki Shirai, Tokyo, JP;
NIKON CORPORATION, Tokyo, JP;
Abstract
An exchangeable lens mountable on a camera body includes: a selection unit configured to select a first state wherein a movement range of a focusing optical system changing the exchangeable lens' focal position is limited and a second state which is different from the first state, and a transmission unit configured to transmit a first and second value which is equal to or smaller than the first value to the camera body in the second state, the first value indicating a relationship between the focusing optical system's moving amount and an image plane's moving amount at a position wherein the focusing optical system has moved, the second value indicating a relationship between the moving amount of the focusing optical system and the moving amount of the image plane, and transmit a value which changes depending on the focusing optical system's position as the second value in the first state.