Title:
LIGHT AMOUNT ADJUSTING DEVICE AND OPTICAL INSTRUMENT USING THE SAME
Document Type and Number:
Japanese Patent JP2016029415
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a light amount adjusting device of an imaging apparatus capable of switching to a compact size and two-dimensional imaging and performing parallax adjustment during three-dimensional imaging.SOLUTION: A light amount adjusting device comprises an aperture, a first drive part, and a division diaphragm blade for dividing the aperture into two parts by using the first drive part. When the division diaphragm blade is retracted from the aperture, the aperture becomes one part. When the division diaphragm blade shields the aperture, the aperture becomes two parts. The centers of the two parts of the aperture are movable in accordance with the shielding amount of the aperture of the division diaphragm blade.SELECTED DRAWING: Figure 1
Inventors:
AIKO FUMITAKA
Application Number:
JP2014151463A
Publication Date:
March 03, 2016
Filing Date:
July 25, 2014
Export Citation:
Assignee:
CANON KK
International Classes:
G03B9/02; H04N13/00; H04N13/02
Attorney, Agent or Firm:
Yukio Takanashi