Abstract: An image-capturing apparatus comprises a fixed portion configured to fix an image-capturing lens, the fixed portion having an opening portion on its side surface, and a holding base configured to be inserted through the opening portion in a direction orthogonal to an optical axis of the image-capturing lens, wherein the holding base holds, slidably with respect to an orthogonal plane which is orthogonal to the optical axis, an optical element holding frame which holds an optical element, the fixed portion includes a first sliding portion in an inside of the fixed portion formed through the opening portion, and the optical element holding frame includes a second sliding portion which slidably contacts the first sliding portion.

Abstract: A vehicular illumination module configured for mounting at an exterior portion of a vehicle includes a housing, a printed circuit board accommodated in the housing, and first and second light emitting diodes disposed at the printed circuit board. The first light emitting diode (LED) is operable to emit, when electrically powered, visible light, and the second LED is operable to emit, when electrically powered, infrared or near-infrared light. The first LED is electrically powered responsive to actuation of a key fob or detection of a passive entry device to provide visible ground illumination at the ground near the exterior portion of the vehicle. The second LED is electrically powered responsive at least in part to operation of a camera at or near the exterior portion of the vehicle to provide infrared or near-infrared light in the field of view of the camera.

Abstract: An imaging apparatus includes an imaging device, an optical member that adjusts an amount of light of an object image incident on the imaging device, at least one memory storing a program, and at least one processor that when executing the program is configured to adjust transmittance of the optical member, amplify an image signal output when an image of an object is captured using the imaging device, and control exposure by changing an exposure condition including an exposure index.

Abstract: A periodic motion observation system specifies, with high accuracy, the locus, speed, and a place in which strain, etc., that occurs in the periodic motion of an observation target. A flash light is emitted every prescribed period from a light source. The periodic motion at a prescribed observation point of an observation target is image-captured by an image-capturing camera. The image pertaining to the periodic motion at the prescribed observation point of the observation target is analyzed by an image analysis device. This image analysis unit extracts, on the basis of the image pertaining to the periodic motion at the prescribed observation point of the observation target, the coordinates of the prescribed observation point at a time when the prescribed observation point of the observation target is irradiated by the light source, and outputs each of the coordinates in tabular form or graphic form.

Abstract: A plurality of depth planes corresponding to a scene within a field of view of a camera of a computing device can be computed based on stereographic techniques, infrared transceivers, ultrasonic transceivers, among other approaches. The depth planes can be utilized to independently meter subject matter of interest (e.g., person, object, region, etc.) corresponding to each depth plane to obtain image statistics for each depth plane. The image statistics can be analyzed to determine optimal settings (e.g., focus, exposure, white balance, etc.) for each depth plane, and a camera can be configured to acquire image data according to the optimal settings for one or more of the depth planes. Further, the image statistics can be leveraged for processing portions of the image data that are not optimized during capture. Thus, a final image can reflect optimizations for multiple subject matter of interest located at various distances from a computing device.

Abstract: A terminal apparatus includes a driver. The driver includes a switching unit and has a dedicated mode and a standard mode, the dedicated mode making it possible to use all functions of a predetermined image forming apparatus, the standard mode making it possible to use a function common for plural image forming apparatuses. The switching unit performs switching from the dedicated mode to the standard mode in a case where it is determined that the dedicated mode is inapplicable after the dedicated mode has been started up.

Abstract: A system and method for enhanced conditioning light so a camera can capture images from it in a variety of brightness ranges is presented. A camera has an optical lens and a photochromic filter. The photochromic filter may be placed in front of the lens. The photochromic filter extends an exposure range of the camera without the need for a mechanical iris.

Abstract: An automatic tracking camera system includes: a rotating unit for panning and tilting an image pickup unit including a lens apparatus and an image pickup apparatus; a tracking object detector; a motion vector detector for detecting a motion vector of the object to be tracked; a capture position setting unit for setting a capture position of the object to be tracked in the picked up image; and a controller for controlling drive of the rotating unit. The controller controls the rotating unit in a capture mode to capture the object to be tracked at the capture position based on the motion vector detected by the motion vector detector after the tracking object detector has detected the object to be tracked in the picked up image, and a maintenance mode to continuously capture the object to be tracked at the capture position after the capture mode.

Abstract: An aspect of the present invention provides an interchangeable lens camera having a camera body and a lens unit that is freely attachable and detachable to the camera body. In the interchangeable lens camera, a communications unit in the camera body sends via communications terminals (MT_MOSI and MT_MISO) an INTR_BUSY control instruction that instructs whether to make notification with a busy signal (INTR_BUSY signal) for any operation out of a plurality of types of operations that can be executed, and the lens unit or camera body communications unit sets the busy signal (INTR_BUSY) to an ON state (low level) only during the period of operation of the type indicated by the INTR_BUSY control instruction.

Abstract: Real-time access by a requestor to surveillance video is conditionally pre-authorized dependent on the existence of at least one pre-specified automatically detectable condition, and recorded in a data processing system. A requestor subsequently requests real-time access to the surveillance video (e.g., as a result of an alarm), and if the pre-specified automatically detectable condition is met, access is automatically granted, i.e., without the need for manual intervention. An automatically detectable condition could, e.g., be an alarm condition detected by a sensor at the site of the video surveillance. Alternatively, it could be a locational proximity of the requestor to the site of the video surveillance. Alternatively, it could be a previously defined time interval.

Abstract: A camera body at which an interchangeable lens, holding a plurality of sets of optical characteristics data, each expressing specific optical characteristics in one of a plurality of representation formats, can be detachably mounted, includes: an identification information reception unit that receives lens-side identification information from the interchangeable lens, which indicates the plurality of representation formats; an identification information storage unit in which body-side identification information indicating each representation format that the camera body is capable of recognizing among the plurality of representation formats, is stored; a selection unit that selects a single representation format included in both the lens-side and the body-side identification information, among the plurality of representation formats; a request unit that issues a request to the interchangeable lens for the optical characteristics data corresponding to the selected representation format; and an optical character

Abstract: A compact camera module has an EMI housing configured to shield camera module components from electromagnetic interference and having defined therein a focus-adjustment aperture to permit an optical train to extend to at one end of an auto-focus range, and a light leak baffle partially overlaps the focus-adjustment aperture along the optical path outside the auto-focus range.

Abstract: A lens-interchangeable camera system includes: an interchangeable lens unit storing lens characteristic data corresponding to parameters of lenses in a discrete manner; and a camera body unit to which the lens characteristic data is transmitted from the interchangeable lens unit when the interchangeable lens unit is mounted. The camera body unit includes an acquisition data storage unit storing the transmitted lens characteristic data, a closest data acquisition processing unit, a close data acquisition processing unit, and an unacquired data acquisition processing unit. Processing is performed in the order from the closest data acquisition processing unit, the close data acquisition processing unit and the unacquired data acquisition processing unit.

Abstract: A lens device according to one aspect of the presently disclosed subject matter obtains camera information indicating whether a mounted camera is a first camera with an AF-frame display function or a second camera without the AF-frame display function; when the camera information indicating the first camera is obtained, when the camera information indicating the second camera is obtained and an automatic tracking mode is set, the lens device changeably sets position and size of the AF frame; and when the camera information indicating the second camera is obtained and the automatic tracking mode is not set, the lens device fixes the AF frame at a predetermined position and size.

Abstract: There is provided An imaging lens including a first lens group having a positive refractive power, an aperture stop, and a second lens group having a positive refractive power that are configured to be arranged sequentially from an object side to an image side. Focus is achieved by fixing the first lens group in an optical axis direction and moving the second lens group from the image side to the object side when a subject distance is changed from infinity to proximity. The first lens group includes an object-side lens group having a negative refractive power and an image-side lens group having a positive refractive power that are configured to be arranged sequentially from the object side to the image side. In an air space of the first lens group, an air space between the object-side lens group and the image-side lens group is set to be maximum.

Abstract: The invention discloses a camera with a built-in polaroid switching mechanism, including a polaroid switching mechanism and a camera body, wherein a front end of the camera body is provided with a front cover, the front cover is provided with a light aperture, the polaroid switching mechanism is located behind the front cover and inside the camera body, behind the polaroid switching mechanism is provided a CCD image sensor, which directly faces the light aperture and fixes onto a CCD circuit board, a rear end of the CCD image sensor is bonded with a heat sink, and the camera body is further internally equipped with a main circuit board electrically connected with the CCD circuit board. In the invention, the polaroid switching mechanism is integrated inside the camera, thereby facilitating to reduce the volume of the switching mechanism and the camera.

Abstract: An imaging apparatus includes an imaging unit, a field angle change unit, and a movement detection unit. The imaging unit includes a lens that forms an image of a subject and acquires a picture image by taking the image formed by the lens. The field angle change unit changes a field angle of the picture image acquired by the imaging unit. The movement detection unit detects a movement of the imaging apparatus. The field angle change unit changes the field angle of the picture image in accordance with a moving direction of the imaging apparatus when the movement detection unit detects the movement of the imaging apparatus.

Abstract: A method and a system for controlling an external lens, applicable to a main device to control a lens module connected thereto, are provided. The main device provides power and storage medium for the lens module to use. In the present method, the lens module is connected to the main device, and a control program is downloaded from a memory unit of the lens module and installed in the main device. The control program is used to allow the main device to receive a control operation, accordingly control the lens module to execute a camera function, and finally display an execution result of the lens module executing the camera function.

Abstract: A solid-state imaging device has normal pixels, first phase difference pixels, and second phase difference pixels. “R”, “G”, and “B” denote colors of color filters provided for the respective pixels. A color dependence characteristic calculator averages output signals from the normal pixels located at the center of a screen, on a color basis, and thereby calculates average output signals. A color determination section determines a main color of a subject, out of three primary colors, based on the average output signals. An AF controller performs focus adjustment of a taking lens based on the output signals of the determined main color, out of the output signals from the first phase difference pixels and the second phase difference pixels.

Abstract: Provided is an image pickup apparatus including, in order from an object side: a first lens unit; a stop; a second lens unit having a positive refractive power; and an image pickup element. The second lens unit includes a second lens sub-unit including only at least one positive lens. A refractive index (N2a) at a d-line of every lens included in the second lens sub-unit, an Abbe constant (?2a) and a partial dispersion ratio (?2a) of the every lens, a temperature-related relative refractive index change (dn2a/dTrelative) at the d-line, a focal length (f) of the overall system, a focal length (f2a) of the second lens sub-unit, an overall length (TD) of an image pickup lens, and a distance (BF) from an image-side surface of a lens arranged closest to an image side in the image pickup lens to an image plane of the image pickup element satisfy predetermined relationships.

Abstract: A portable device including a light source, an image capture component with an image sensor, a filter with a first polarized portion and a second polarized portion, a mechanism to reposition the filter to overlap the light source with the first polarized portion of the filter and overlap the image sensor with the second polarized portion of the filter, and a controller to capture visual media with the image capture component.

Abstract: A lens system for a camera, includes: an image formation optical system including a movable lens group and a correction lens group; a drive section driving the correction lens group; a lens position acquisition section acquiring a lens position of the movable lens group; a specification section specifying a partial image of a part of region in an image; a storage section storing a data table; and a control section, in accordance with the lens position of the movable lens group acquired by the lens position acquisition section, on the basis of the data table, acquiring a position for the correction lens group that improves optical performance of the partial image specified by the specification section and then controlling the drive section such as to move the correction lens group to the acquired position.

Abstract: An imaging apparatus according to the present invention can generate an image from an output of an image sensor to record the image as an image file, and record first information and second information onto the image file as additional information. Accordingly, the imaging apparatus can provide a user or a staff person of a repair center with useful information regarding a failure, repair, and replacement that conventionally could not be provided.

Abstract: Provided is an image-capturing apparatus including: an image-capturing device where pixels covered with first filters blocking light other than light in a first wavelength range among wavelength ranges obtained by two-dividing a specific wavelength range and second filters blocking light other than light in a second wavelength range are disposed based on a predetermined rule; a light-blocking filter being detachably disposed in an optical path of subject light toward the image-capturing device and blocking the light in the first wavelength range; a focus-alignment determination unit performing focus-alignment determination through phase-difference detection based on a signal generated by the image-capturing device when the light-blocking filter is inserted into the optical path; an image-generation unit generating an image based on a signal generated by the image-capturing device; and a controller controlling insertion/detachment of the light-blocking filter with respect to the optical path based on necessity

Abstract: The image pickup lens is composed of, in order from the object side, an aperture stop; a first lens with positive refractive power, including a convex surface facing the object side; a second lens with negative refractive power, including a concave surface facing an image side; a third lens with positive refractive power, including a convex surface facing the image side; a fourth lens with positive refractive power, having a meniscus shape including a convex surface facing the image side; and a fifth lens with negative refractive power, including a concave surface facing the image side. The image pickup lens satisfies conditional expressions relating to curvature radiuses of the object-side surface and the image-side surface of the fourth lens, a distance on an optical axis from the aperture stop to a focal point at the image side, and a focal length of the total system of the image pickup lens.

Abstract: An image taking optical system includes, in order from the object side, a stop, a first lens having a biconvex shape and having a positive refractive power, a second lens having a concave surface facing the image side and having a negative refractive power, a third lens having a convex surface facing the image side and having a positive refractive power, and a fourth lens having a negative refractive power. The image taking optical system satisfies the conditional expression “0.6<d5/(d5+d6)<0.8”, where d5 is the air distance between the second lens and the third lens on the optical axis, and d6 is the thickness of the third lens.

Abstract: A camera body at which an interchangeable lens, holding a plurality of sets of optical characteristics data, each expressing specific optical characteristics in one of a plurality of representation formats, can be detachably mounted, includes: an identification information reception unit that receives lens-side identification information from the interchangeable lens, which indicates the plurality of representation formats; an identification information storage unit in which body-side identification information indicating each representation format that the camera body is capable of recognizing among the plurality of representation formats, is stored; a selection unit that selects a single representation format included in both the lens-side and the body-side identification information, among the plurality of representation formats; a request unit that issues a request to the interchangeable lens for the optical characteristics data corresponding to the selected representation format; and an optical character

Abstract: An imaging apparatus according to the present invention can generate an image from an output of an image sensor to record the image as an image file, and record first information and second information onto the image file as additional information. Accordingly, the imaging apparatus can provide a user or a staff person of a repair center with useful information regarding a failure, repair, and replacement that conventionally could not be provided.

Abstract: An apparatus includes a housing having an integrated camera. A panel is positioned in front of at least a portion of the camera and is operable to selectively switch between at least a substantially transparent state and at least a substantially opaque state.

Abstract: A method of controlling a lens-interchangeable digital photographing apparatus including acquiring a temporary image using a first lens in response to a signal; producing additional temporary images that could be acquired were respective lenses used instead of the first lens, by processing the acquired temporary image; and displaying the temporary image and the additional temporary images on a display unit.

Abstract: The present invention provides a lighting control module, a video camera comprising the same and a control method of the same. The video camera of the invention includes a sensing module, a light-emitting module and a control module. The sensing module receives a reflected light beam from a recording direction of the video camera, and generates an image of a scene in the recording direction. The light-emitting module emits a light toward the recording direction. Additionally, the lighting control module is connected to the light-emitting module for controlling the light-emitting module to periodically emit the light from a first brightness to a second brightness.

Abstract: An apparatus includes a housing having an integrated camera. A panel is positioned in front of at least a portion of the camera and is operable to selectively switch between at least a substantially transparent state and at least a substantially opaque state.

Abstract: The interchangeable lens apparatus is attachable to a camera and selectively uses at least one of a plurality of accessories. The apparatus includes an aberration data memory configured to store optical aberration data for each of the plurality of accessories, an order data memory configured to store sending order data for determining a sending order of the optical aberration data to the camera, a determining means configured to determine particular optical aberration data, from the optical aberration data stored in the aberration data memory, to be sent to the camera based on information indicating which of the plurality of accessories have been selected for use and to determine the sending order of the particular aberration data based on the sending order data stored in the order data memory, and a transmitting means configured to send the particular optical aberration data, determined by the determining means, to the camera in the sending order determined by the determining means.

Abstract: This invention provides a photographing lens assembly comprising, in order from an object side to an image side: a first lens element with positive refractive power having a convex object-side surface and a convex image-side surface; a second lens element with negative refractive power having a concave object-side surface and a concave image-side surface; a third lens element with negative refractive power, the object-side and image-side surfaces thereof being aspheric; a fourth lens element with negative refractive power having a concave image-side surface on which at least one inflection point is formed; and an aperture stop disposed between an imaged object and the second lens element; wherein there are four lens elements with refractive power. Such an arrangement of optical elements can effectively reduce the size of the lens assembly, attenuate the sensitivity of the optical system and enable the lens assembly to obtain higher resolution.

Abstract: Methods and the corresponding device are presented for the correction of lateral chromatic aberration within a digital camera or other imaging device, using calibration approaches that do not require previously acquired lens data to effect the correction. An in-camera auto-calibration procedure is performed on the attached lens, such as when a lens is exchanged, and extracts parameters required for chromatic aberration correction, respecting zoom and focus, from one or more captured images. Based on image data extracted as a plurality of channels of a chromatic decomposition of the image, the chromatic aberration information for the lens is extracted. From the chromatic aberration information, the correction factors for the lens are determined.

Abstract: At least one exemplary embodiment is directed to an imaging processing method where a plurality of images are picked up while an imaging direction of a camera is being changed. The images are combined into a composite image. A target region is specified within the composite image. An imaging direction and an imaging magnification for imaging an object included in the target region in a predetermined size are calculated based on a position and a size of the target region in the composite image and an imaging parameter set for the camera when the plurality of images are picked up. Accordingly, the imaging direction and the imaging magnification for imaging the object to be imaged can be set easily.

Abstract: A device for connecting a camera lens to a movie camera has a camera housing with a lens mount and a device for acquiring data relating to the camera lens connected to the lens mount. Said device further comprising a miniaturized electronic system with data memory for storing data relating to the camera lens such as lens type, serial number, conversion tables and the like, and with a contact region that is arranged on a data interface between the lens mount of the movie camera and the lens fastening means of the camera lens and which is aligned with the contact region arranged in the lens mount of the movie camera is integrated in the lens fastening means of the camera lens or in a modified lens fastening means connected to the lens fastening means of the camera lens or replacing the latter.

Abstract: Provided are a lens-interchangeable digital photographing apparatus that can use a suitable lens according to a photographing circumstance, a method of controlling the lens-interchangeable digital photographing apparatus, and a recording medium having recorded therein a program for the method. The lens-interchangeable digital photographing apparatus includes a photographing circumstance analysis unit, a lens suitability determination unit for determining whether a lens installed in the digital photographing apparatus is suitable for a photographing circumstance, a lens search unit for searching for lenses suitable for a photographing circumstance, and a display unit. If the lens suitability determination unit determines that the installed lens is not suitable for the photographing circumstance, lenses suitable for the photographing circumstance analyzed by the photographing circumstance analysis unit from among lenses searched by the lens search unit are displayed on the display unit to be recommended.

Abstract: An automatic focusing mechanism comprises a plurality of lenses and an image sensor disposed along an optical axis, an electromagnetic driving device for generating an electromagnetic force to drive the image sensor to move along the optical axis, and a position-limited device for limiting the movement of the image sensor along the optical axis. The image sensor is driven by the electromagnetic force and moved along the optical axis, and the distance between the lenses and the image sensor is properly adjusted, thereby realizing automatic focusing.

Abstract: An imaging apparatus includes a shutter drive section, an aperture blade drive section, an ND filter drive section, a light intensity detection section, a memory, and a control section. The shutter drive section opens and closes a shutter for a light receiving surface of a solid state image sensor. The aperture blade drive section drives an aperture blade forming an aperture. The ND filter drive section adjusts the position of an ND filter against the aperture. The control section calculates the exposure control voltage representing an exposure amount from the light intensity signal output from the light intensity detection section, and reads out the F value and the shutter speed corresponding to the exposure control voltage from the exposure control table stored in the memory so as to avoid a partial application state of the ND filter, for controlling respective drive sections.

Abstract: An image pickup apparatus capable of preventing a decline of resolution of a still image while keeping a dynamic range of exposure control. The image pickup apparatus capable of photographing with changing over a moving image and a still image, includes an iris mechanism for changing an amount of light input to an image pickup element by changing an aperture diameter, a filter unit, having a single density or a plurality of densities, for changing the amount of the light input to the image pickup element by its advancing towards and withdrawing from the aperture diameter of the iris mechanism, a unit for driving the iris mechanism and the filter unit independently, and a control unit for setting the filter unit in one of two types of states such as fully covering the aperture diameter of the iris mechanism and fully withdrawing from the aperture diameter in the still image photography.

Abstract: An image processing apparatus has an enlargement processing function of displaying an image on an image display unit at a designated enlargement magnification, and a color conversion processing function of changing a designated conversion source color to a conversion destination color. This image processing apparatus determines at least one of the conversion source color and conversion destination color by acquiring color information from a predetermined area in the displayed image. Upon determining one of the conversion source color and conversion destination color, control according to the enlargement magnification of the enlargement processing function is made so as to assure an amount, which is equal to or larger than a predetermined value, of color information included in the predetermined area.

Abstract: An image pickup device that picks up an image of an object with an image pickup element, consisting of: a lens connecting portion that connects an interchangeable lens that can be attached and detached; a lens distinguishing portion that distinguishes the type of the interchangeable lens that is connected to the lens connecting portion; a plurality of optical filters that are capable of being disposed to the optical rear side of the interchangeable lens in the image pickup optical path when picking up an image of an object on an image pickup element with the interchangeable lens; and a moving portion that moves at least any of the plurality of optical filters to a position that corresponds to the type of the interchangeable lens that the lens distinguishing portion has distinguished.

Abstract: An image pickup apparatus in which color signals are generated and extracted from a picked-up image signal for a plurality of regions in a screen, a wavelength component ratio is detected and calculated based on the extracted color signals for each of the plurality of regions, one or more regions in which the visible light component ratio calculated is large are selected, and the visible light component ratio of the photographing screen is determined based on the visible light component ratios of the selected regions.

Abstract: An image pickup apparatus capable of preventing a decline of resolution of a still image while keeping a dynamic range of exposure control. The image pickup apparatus capable of photographing with changing over a moving image and a still image, includes an iris mechanism for changing an amount of light input to an image pickup element by changing an aperture diameter, a filter unit, having a single density or a plurality of densities, for changing the amount of the light input to the image pickup element by its advancing towards and withdrawing from the aperture diameter of the iris mechanism, a unit for driving the iris mechanism and the filter unit independently, and a control unit for setting the filter unit in one of two types of states such as fully covering the aperture diameter of the iris mechanism and fully withdrawing from the aperture diameter in the still image photography.

Abstract: A lens barrel includes: a lens frame retaining at least one portion of the plurality of lens groups; a first lens cylinder supporting the lens frame inside thereof and including a plurality of cam followers on an outer circumferential section thereof; and a second lens cylinder including a mutually parallel plurality of cam grooves in an inner circumferential section thereof and storing the first lens cylinder therein in the collapsed state, the plurality of cam grooves are engaged with the plurality of cam followers and configured to advance and retire the first lens cylinder in a direction of an optical axis by a relative rotation of the first lens cylinder, the plurality of cam grooves have a first cam grooves and a second cam grooves, the plurality of cam followers have a first cam follower and a second cam follower, the first cam follower and the second cam follower are engaged with the first cam grooves and the second cam grooves, respectively, and the first cam follower and the second cam follower are

Abstract: A lens barrel including a plurality of lens groups; a plurality of lens retaining frames; a telescopic cylinder retained by a fixed base member and configured to retain a portion of the plurality of lens retaining frames inside of the telescopic cylinder; and a lens retaining frames driving device configured to drive the plurality of lens retaining frames. A portion of the lens retaining frames driving device for driving the lens-retracting frame which is one of the lens retaining frames is formed to project backwardly in a direction of an optical axis from a rear end surface of the fixed base member for retaining the telescopic cylinder.

Abstract: An image pickup apparatus which is capable of preventing light diffraction from being caused by a density step or a thickness step of a filter, thereby preventing degradation of resolution during still image shooting, and securing the dynamic range of exposure control during both moving image shooting and still image shooting. In the image pickup apparatus, an image pickup element converts light incident thereon from a lens into an electric signal. A diaphragm mechanism changes the amount of light incident on the image pickup element. An ND filter covers an aperture of the diaphragm mechanism such that the aperture can be opened and closed, thereby adjusting the amount of light incident on the image pickup element after passing through the aperture.

Abstract: An electronic camera device has an imaging sensor to capture an image of a scene, a flash to illuminate the scene for capture by the sensor, and an evaluator to detect a condition in the scene. A redirector shifts the peak of a spatial energy profile of light from the flash. The peak is shifted from being aimed at one region in the scene to being aimed at another region in the scene, in response to the evaluator having detected the condition in the scene. Other embodiments are also described and claimed.

Abstract: An electronic camera includes: a luminance detection device that detects a luminance of a photographic field; an image sensor that captures an image of a photographic subject; a light reduction device that changes over between reducing an amount of light from the photographic subject that is conducted to the image sensor, and not performing such light amount reduction; and a calculation device that, when moving image photography is started with the image sensor, decides whether or not to perform the light amount reduction with the light reduction device according to the luminance detected by the luminance detection device, and then calculates a control exposure for this moving image photography.