| 摘要 |
PROBLEM TO BE SOLVED: To provide a light storage luminance measuring apparatus capable of reducing variation when start measuring an afterglow luminance as much as possible.SOLUTION: The light storage luminance measuring apparatus comprises: a light receiving case for afterglow luminance detection 1 having a light receiving unit for afterglow luminance detection 5; a measuring apparatus main body case 3 having a measuring unit 9 in which the light receiving case for afterglow luminance detection 1 is detachable and also an afterglow luminance is calculated and measured. The light receiving case for afterglow luminance detection 1 includes an incident aperture part 15 to which afterglow is made incident, and a mechanical measurement start switch member 33 for start measuring the afterglow luminance by using a photoelectric conversion signal Sp output from the light receiving unit for afterglow luminance detection 5 to the measuring unit 9 is provided with the incident aperture part 15. |
