Title:
LENS DEVICE HAVING MACRO FUNCTION
Document Type and Number:
Japanese Patent JP2014235200
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a lens device that enables a change-over of a normal focus drive and a macro drive to be performed only by an operation of an operation ring and consecutively.SOLUTION: The lens device has: a focus position operation member 111 that has a mechanical edge restricting an operation range; focus control means that changes a focus position between a MOD to infinity; macro control means that changes the focus position so as to be a closer distance than the MOD; and focus instruction change-over means that causes a focus position instructed by the focus position operation member to select one of a focus position by the focus control means and a focus position by the macro control means. The focus instruction change-over means changes over the focus position to be instructed after the focus position operation member is operative to arrive at a first position.
More Like This:
Inventors:
SASAKI RYOHEI
Application Number:
JP2013114761A
Publication Date:
December 15, 2014
Filing Date:
May 31, 2013
Export Citation:
Assignee:
CANON KK
International Classes:
G02B7/02; G02B7/08
Attorney, Agent or Firm:
Yukio Takanashi