Abstract: The image acquiring device 10 includes the voltage control unit 30 which generates first voltage information that can identify voltage applied to the first variable-focus lens 20A included in the first imaging unit 20 installed in a position where a subject can be photographed and whose focal length changes in accordance with an applied voltage, and generates second voltage information that can identify voltage applied to the second variable-focus lens 21A included in the second imaging unit 21 installed in the position where the subject can be photographed and whose focal length changes in accordance with an applied voltage, and the image judgment unit 40 which inputs images from the first imaging unit 20 and the second imaging unit 21, and selects one image taken at an in-focus position among input images, wherein the voltage control unit 30 generates information, as the first voltage information, that can identify each voltage in a time series of voltages whose values change with time, and generates inform

Abstract: The optical control apparatus includes a light source, a light collecting section, and an optical path control section. The light source emits light. The light collecting section collects the light emitted from the light source and illuminates the light onto an object.

Abstract: An imaging apparatus for authentication includes: a first imaging unit that obtains a first image used in a first authentication process by imaging a target person; a second imaging unit that obtains a second image used in a second image process by imaging the target person in an imaging range narrower than that of the first imaging unit; a drive unit that integrally drives the first imaging unit and the second imaging unit; and a drive control unit that controls the drive unit on the basis of the first image.

Abstract: An iris recognition apparatus for performing recognition of a target person based on an iris pattern of the target person, is provided with: an imaging device that performs an imaging processing for sequentially outputting imaged images while changing a focal position; and a determining device that starts a focusing determination for determining whether or not an image is a focused image before the imaging device completes the imaging processing.