Abstract: A scanning optical system configured to scan laser light on a scanned surface in a scanning direction, includes a light source emitting the laser light, a converging element converging the emitted laser light in the predetermined scanning direction, a deflector deflecting the converged laser light to scan the laser light on the scanned surface, and a scanning speed controlling element controlling the deflected laser light to be scanned at a constant scanning speed. The scanning optical system is configured to satisfy predetermined conditions.

Abstract: A multi-beam scanning optical system configured to scan a plurality of laser beams on a scanned surface in a predetermined scanning direction includes a light source emitting a plurality of laser beams from respective laser emitters spaced from each other in the predetermined scanning direction, a diverging property changing element changing a diverging property of each of the emitted laser beams, a deflector configured to be sine-functionally oscillated and to deflect each of the laser beams with the diverging property thereof as changed so as to scan each of the laser beams on the scanned surface in the predetermined scanning direction, and a scanning speed controlling element configured to control a scanning speed at which each of the laser beams deflected by the deflector is scanned on the scanned surface. The multi-beam scanning optical system is configured to satisfy a predetermined condition.

Abstract: A camera according has an interchangeable lens unit removably attached to a camera body, and an image-generating processor that generates image data of a subject captured by the lens unit. A memory provided in the lens unit stores distortion data. The distortion data is associated with an approximation function, which represents the correspondence relationship between image height and distortion aberration. The distortion data includes at least one of: coefficient data of the approximation function, and sample data of the image height and the corresponding distortion aberration. Furthermore, the camera has an approximation function processor that defines an approximation function used to process the image data on the basis of the distortion data read from the memory, and a distortion correction processor that carries out distortion correction processing on the image data based on the aberration distortion calculated for each image point by the defined approximation function.

Abstract: An image processor of an endoscope system comprises an input connector and a determination unit. The input connector is used for connecting one of a video signal output device that outputs a video signal that includes a synchronization signal and a non-video signal output device that outputs a non-video signal that does not include the synchronization signal, to the image processor. The determination unit determines which of the video signal output device or the non-video signal output device is connected to the image processor through the input connector.

Abstract: A relay finder optical system, of a single-lens reflex camera, includes a condenser lens group, a prism, and a relay lens group, in this order from a primary imaging plane. An image, which is formed on the primary imaging plane, and is upside down and inverted from left to right, is re-formed on a secondary imaging plane for viewing by a photographer. The relay lens group includes a positive front lens group, a negative intermediate lens group, and a positive rear lens group, in this order from the object.

Abstract: In the process of producing a porous body containing a fibrous apatite/collagen composite by gelating a dispersion comprising said fibrous apatite/collagen composite, collagen and water, freeze-drying the resultant gel to form a porous body, and cross-linking collagen in said porous body, a method for controlling the average pore diameter of said porous body by the solidification time of said gel in said freezing step.

Abstract: A light source device of an endoscope system comprises a light-source unit, a light-sensitive element, and a driving unit. The light-source unit emits light and supplies light to the photographic subject through an electronic scope. The light-sensitive element receives light emitted from the light-source unit. The driving unit adjusts the driving intensity of the light-source unit on the basis of a first information regarding an emitting-light intensity of the light-source unit output from the light-sensitive element.

Abstract: A light source device of an endoscope system comprises a light source and a light-source controller. The light source emits in a flash-emitting mode that the light source flashes in a flash interval longer than a field period of an imaging sensor for the endoscope system and for a flash period shorter than the field period. The light-source controller controls the light source so that the light source emits in the flash-emitting mode within an imaging period that is a period excluding a reading period within the field period. The flash interval is defined as a period from when the flash of the light source commences to when the next flash of the light source commences. The flash period is defined as a period from when the flash of the light source commences to when the flash of the light source is completed.

Abstract: An anti-shake apparatus (an image-stabilization apparatus) of a photographing device comprises a movable unit and a controller. The movable unit has an imaging device and is movable and rotatable for an anti-shake operation. The controller controls the movable unit for the anti-shake operation. The controller obtains information regarding a resolution at the edge of a lens that is used for an imaging operation of the imaging device. The controller controls a degree of the anti-shake operation that is performed for correcting hand-shake caused by roll on the basis of the resolution at the edge of the lens.

Abstract: An anti-shake apparatus (an image-stabilization apparatus) of a photographing device comprises a movable unit and a controller. The movable unit has an imaging device and is movable and rotatable for an anti-shake operation. The controller controls the movable unit for the anti-shake operation. The controller calculates a first hand-shake angle caused by yaw, a second hand-shake angle caused by pitch, and a third hand-shake angle caused by roll for the anti-shake operation. The controller commences a calculation of the third hand-shake angle from a first time point after a release switch is set to the ON state. The controller commences calculations of the first and second hand-shake angles from a second time point after the first time point, and before an exposure operation commences.

Abstract: An interchangeable lens which can communicate with a camera body to which the interchangeable lens is detachably attached to exchange data of the interchangeable lens, includes a logic IC serving as an interface via which the interchangeable lens communicates with the camera body; a memory which is provided independent of the logic IC, connected to the logic IC, and stores the data of the interchangeable lens; and a controller, connected to the logic IC, for controlling operations of the interchangeable lens. The logic IC selectively switches connections of terminals thereof with the memory and the controller for communication therewith upon receiving a communication signal from the camera body.

Abstract: An imaging device includes an imaging optical system including at least one movable optical element; an image sensor, an imaging surface of which lies on an image-forming plane of the imaging optical system; a circuit board on which the image sensor is mounted; and an image processing circuit for processing an image signal output from the image sensor and a drive circuit for the movable optical element, both of the image processing circuit and the drive circuit are mounted on the circuit board. The image processing circuit and the drive circuit are disposed on the circuit board in that order from a side closer to the image sensor.

Abstract: A shake correction apparatus of a camera, includes a stationary support board; an electrical board movable relative to the stationary support board; an image pickup device supported by the electrical board and including leads made of a magnetic material which are arranged on a periphery of the image pickup device to electrically connect the image pickup device to the electrical board; at least one drive coil which moves with the electrical board; at least one magnet provided on a surface of the stationary support board which faces the electrical board, and positioned around the image pickup device and the leads as viewed from the front thereof, the magnet exerting a magnetic force on the drive coil; and at least one magnetic cover, made of a magnetic substance, for covering a portion of the magnet which faces the leads.

Abstract: A photographing device comprises a lens and a camera. The camera body has an imaging device and an image-processing unit that performs distortion correction on the basis of information regarding distortion quantity, as part of an image processing of an image signal obtained by the imaging device through the lens. The distortion quantity has at least one of first distortion quantity of the lens and second distortion quantity of the imaging device. The information has a coefficient of an approximation formula for the distortion correction on a two-dimensional coordinate system for the distortion correction. The two-dimensional coordinate system is set on an image obtained by the image processing of the image signal.

Abstract: A weather-sealing structure of a lens barrel includes an inner annular member and an outer annular member which are concentrically arranged to be movable relative to each other, and a water-repellent ring made of synthetic leather which is impregnated with a water repellent, one of two sides of the water-repellent ring being fixed to one of an inner peripheral surface of the outer annular member and an outer peripheral surface of the inner annular member. The other of the two sides of the water-repellent ring includes a hair-implanted surface including a large number of hairs which is in contact with the other of the inner peripheral surface of the outer annular member and the outer peripheral surface of the inner annular member to be slidable thereon.

Abstract: A dust-proof, reflecting mirror comprising a reflecting mirror substrate, a dust-proof coating having fine surface roughness, which is formed on a reflecting surface of the reflecting mirror substrate, and an outermost water-repellent or water/oil-repellent coating.

Abstract: A diaphragm driving device is provided in a camera body of a digital camera to which an interchangeable lens is detachably attached, the interchangeable lens including a diaphragm mechanism having a diaphragm control bar for changing an aperture size by a rotation of the diaphragm control bar about an optical axis. The camera body includes a diaphragm-driving slide plate which engages with the diaphragm control bar when the interchangeable lens is attached to the camera body; a diaphragm drive motor which rotates in both forward and reverse directions for moving the diaphragm-driving slide plate step wise in accordance with object brightness information of an object image formed through the interchangeable lens; and a converting mechanism for converting the rotation of the diaphragm drive motor in the both directions into a force for moving the diaphragm-driving slide plate.