Abstract: A linear light source apparatus is provided, being configured to convert light emitted from one light emitting element to light extended linearly, and output thus converted light. There is a lens that diffuses light flux within a predetermined region including the optical axis of the light emitting element, out of the light incident from the light emitting element, at a predetermined diffusion angle in the second direction (x-direction). The light is made to converge with respect to the first direction (y-direction). This converts the light from one light emitting element to light extended linearly and outputs the converted light. As for the second direction (x-direction), it is possible to make the light flux sparse in the predetermined region, and in the region outside thereof, the light flux is rendered to be dense.

Abstract: An image capturing system includes a portable image capturing device and a lighting apparatus. The portable image capturing device includes, an image capturing unit, a display unit that displays a photographed image and a control unit. The lighting apparatus includes, a base unit including an image-capturing-device mounting face on which the portable image capturing device is mounted to photograph the medium installation face, a mirror to reflect the image displayed on the display unit, and a mirror detector that detects that the mirror is arranged. The control unit corrects a distortion in the image displayed on the display unit when the mirror is not detected by the mirror detector, and corrects the distortion and performs vertical inversion of the image on the display unit when the mirror is detected by the mirror detector. Corrected image is displayed on the display unit.

Abstract: An image capturing system includes a portable image capturing device and a lighting apparatus. The portable image capturing device includes, an image capturing unit, a display unit that displays a photographed image and a control unit. The lighting apparatus includes, a base unit including an image-capturing-device mounting face on which the portable image capturing device is mounted to photograph the medium installation face, a mirror to reflect the image displayed on the display unit, and a mirror detector that detects that the mirror is arranged. The control unit corrects a distortion in the image displayed on the display unit when the mirror is not detected by the mirror detector, and corrects the distortion and performs vertical inversion of the image on the display unit when the mirror is detected by the mirror detector. Corrected image is displayed on the display unit.

Abstract: A linear light source apparatus is provided, being configured to convert light emitted from one light emitting element to light extended linearly, and output thus converted light. There is a lens that diffuses light flux within a predetermined region including the optical axis of the light emitting element, out of the light incident from the light emitting element, at a predetermined diffusion angle in the second direction (x-direction). The light is made to converge with respect to the first direction (y-direction). This converts the light from one light emitting element to light extended linearly and outputs the converted light. As for the second direction (x-direction), it is possible to make the light flux sparse in the predetermined region, and in the region outside thereof, the light flux is rendered to be dense.