| 摘要 |
PROBLEM TO BE SOLVED: To measure display delay time when an image that a camera photographs is displayed on a display section that the camera has as live view.SOLUTION: A first display device performs switching operation for switching a display pattern displayed on a display section of the first display device in accordance with time. A first camera being a measuring object photographs a first image including the display section of the first display device in the middle of performing the switching operation, and displays the first image on the display section of the first camera as live view. A second camera photographs a second image including the first image displayed on the display section of the first camera, and records the first image included in the photographed second image in a recording medium by making it correspond to information showing photographing time when the second image is photographed. Display delay time from photographing in the first camera to display of the first image is derived from time which the display pattern included in the first image recorded in the recording medium shows and from photographing time recorded in the recording medium. |
