Abstract: An interior housing of a compact camera module is insulated from external shocks in a direction along the optical path to an external housing that is spaced from the interior housing by a compression distance of one or more shock absorbing sponges that are disposed between the outer housing and the interior housing and that are configured to compress to absorb external physical shocks in two or three spatial dimensions.

Abstract: A focus detection device having imaging pixels and focus-detecting pixels using a phase-difference focus detection method implements high-precision focus detection. In the focus detection device, a plurality of pixels each having a photoelectric conversion unit for converting an incident light flux into signal charges, and a microlens having a focus position near the photoelectric conversion unit are arranged. The plurality of pixels include a plurality of imaging pixels for generating a shot image, and a plurality of focus-detecting pixels for generating an image signal for focus detection by the phase-difference focus detection method. An opening for giving a pupil division function to the focus-detecting pixel is formed using electrodes arranged to read out signal charges from the photoelectric conversion unit.

Abstract: A method for manufacturing a camera module is provided, the camera module including a lens and an image sensor chip, the image sensor chip being electrically contacted to a circuit board. After a first fitting part that surrounds the image sensor chip is positioned and secured on the circuit board, the first fitting part is joined to a second fitting part disposed on the housing of the camera module, forming an overlap region. A focus position between the housing-side lens and the image sensor chip is produced, and a materially attached connection is then generated between the fitting parts within the overlap region, in the focus position.

Abstract: A corrective optical system for an imaging optical system is disclosed, wherein the imaging optical system has an objective having a working space, and whose imaging performance is not corrected for one or more plane parallel plates located in the working space. The corrector optical system resides in the working space between the one or more plane parallel plates and objective and serves to reduce the aberrations introduced by the one or more plane parallel plates. The corrector optical system enables objectives originally designed for film to be used with digital cameras.

Abstract: The present invention discloses a remote network management system for coupling a series of remote serial devices, servers, and computers to one or more user workstations allowing for selective access of the remote devices. The remote serial devices, servers, and computers are all connected to a remote management unit which interfaces the user workstations to the remote devices. The power supply of each remote device is also connected to the remote management unit through a controllable power supply. The video from the remote networking equipment is digitized and optimized by an LCD controller located within the remote management unit before it is compressed for transmission. An option menu containing a menu of all the remote devices allows a user to select and operate any of the remote devices. The option menu is also utilizes to selectively control the power to the remote serial devices, servers, and computers.

Abstract: An imaging system includes: a body unit; at least one type of interchangeable lens unit; and at least one type of external unit, wherein in the case where the body unit and one of the at least one type of interchangeable lens unit are connected integrally, the imaging system becomes an imaging device capable of shooting a photographic subject, and in the case where the body unit and one of the at least one type of external unit are connected integrally, the imaging system becomes a device having a specific function of the external unit connected to the body unit, and wherein when the interchangeable lens unit or the external unit is connected to the body unit, the body unit obtains information on the type of unit connected to the body unit, and is capable of changing control of an entire device including the body unit and the unit connected to the body unit based on the type of unit connected to the body unit.

Abstract: An imaging system includes: an imaging apparatus including a first communication section performing communication with an interchangeable lens, and a first control section making a transmission request of prediction information being state information on a state of a member included in the interchangeable lens and being the state information related to a state of the member after a predetermined time period to the interchangeable lens; and an interchangeable lens including a second communication section performing communication with the imaging apparatus, a calculation section obtaining the state information from the member and calculating the prediction information on the basis of the obtained state information and the predetermined time period, and a second control section controlling transmission of the calculated prediction information to the imaging apparatus.

Abstract: An image capturing system and a lens module thereof are provided. The lens module includes a first barrel, a second barrel, a lens, a swing lever and a connecting shift. The first barrel has a bump. The second barrel is disposed inside the first barrel. The swing lever has a first end and a second end. The lens is disposed at the first end. The connecting shift connects the swing lever and the second barrel. The swing lever is rotated around the connecting shift. The bump is used for pushing the second end of the swing lever.

Abstract: An image capturing device and an image capturing system are provided. The image capturing device includes an optical system, a first filter provided near a diaphragm position of the optical system, a sensor, and a lens array. The first filter includes a plurality of filters respectively having different spectral characteristics. The sensor includes a plurality of filters respectively having different spectral characteristics. The lights from an object pass through the respective filters of the first sensor and the respective filters of the second sensor to simultaneously form a plurality of types of spectral image of the object on an image plane of the sensor.

Abstract: An alignment metrology and resolution measurement system concurrently determines the alignment of an imaging array in six degrees of freedom relative to an external reference frame, and further determines the resolution of the imaging array. To achieve this, an image of at least three mask patterns is projected on the imaging array. First and second positions of the imaging array relative to first and second coordinate axis of the reference frame is obtained using pixel positions of the images along the first and second axis. A first rotational position of the imaging array about a third coordinate axis is obtained using pixel positions of the images along the first and second axes. The third position and the second and third rotational positions of the imaging array about the first and second coordinate axis are determined using feature widths of focus images of the patterns and distances between the mask patterns.

Abstract: In an imaging apparatus including a reset instruction unit configured to instruct a lens unit to reset an optical member thereof, a first communication system is used for communication for acquiring individual information of the lens unit, and a second communication system different from the first communication system is used for communication for instructing the lens unit to reset an optical member by a reset instruction unit.

Abstract: A lens barrel projects out of a main body of a camera during photographing and is accommodated in the main body of the camera during non-photographing and includes a plurality of lens assemblies including an escape lens assembly to be movable along a reference optical axis of the camera, and an escape unit to control the escape lens assembly to escape from the reference optical axis while the escape lens assembly moves from a photographing position to a non-photographing position, wherein lenses of the escape lens assembly have an optical axis that is in a skew position with respect to the reference optical axis in a position where the escape lens assembly has escaped.

Abstract: An imaging lens is constituted of, in order from an object side to an image side, a first lens element having a positive refractive power and having a convex surface toward the object side; a second lens element of a meniscus shape having a negative refractive power and having a concave surface toward an image side; a third lens element having a positive refractive power and having a convex surface toward the image side; a fourth lens element of a meniscus shape having a negative refractive power and having a convex surface toward the image side; and a fifth lens element of a meniscus shape and having a concave surface toward the image side.

Abstract: An imaging lens includes: a movable lens group configured to travel to allow the imaging lens to come into focus; and a rearmost lens group arranged at a most-image-sided fixed position, and having negative refractive power. Following conditional expression is satisfied, ?2<ft/fr<?0.45??(1) where ft is a total focal length of the imaging lens in a condition that the imaging lens is in focus on an object at infinite, and fr is a focal length of the rearmost lens group.

Abstract: An apparatus to acquire information about light-field data includes: a beam splitter configured to split light, through a lens unit which is connected to the apparatus, from an object into a first light beam and a second light beam; an image sensor configured to detect the first light beam to form an image of the object; and a light-field sensor, including a lenslet array and a detecting unit to detect the second light beam through the lenslet array, configured to acquire information about the light-field data, the lenslet array including a plurality of lenslets, wherein a first position where the detecting unit is provided is conjugate to a second position of a pupil of the lens unit.

Abstract: A camera system includes an interchangeable lens and a camera body to which the interchangeable lens can be mounted, either directly or via an adapter. A lens microcomputer of the interchangeable lens is configured to hold lens information including information related to a focal point detection method. A body microcomputer of the camera body is configured to select a focal point detection method on the basis of lens information. The body microcomputer is configured to select a contrast detection method as the focal point detection method if the interchangeable lens is compatible with a contrast detection method. The body microcomputer is configured to select a phase difference detection method as the focal point detection method if the interchangeable lens is not compatible with a contrast detection method, and the adapter is compatible with a phase difference detection method.

Abstract: An image capture device according to the present disclosure includes: a lens optical system L; an image sensor N on which light that has passed through the lens optical system L is incident and which includes at least a plurality of first pixels and a plurality of second pixels; and an array of optical elements K which is arranged between the lens optical system and the image sensor. The lens optical system has a first optical region D1 which transmits mostly light vibrating in the direction of a first polarization axis and a second optical region D2 which transmits mostly light vibrating in the direction of a second polarization axis that is different from the direction of the first polarization axis. The array of optical elements makes the light that has passed through the first optical region D1 incident on the plurality of first pixels and also makes the light that has passed through the second optical region D2 incident on the plurality of second pixels.

Abstract: An imaging lens includes first, second, third, and fourth lens elements arranged from an object side to an image side in the given order. The first lens element has a positive refractive power, and a convex object-side surface. The second lens element has a negative refractive power, and an image-side surface with a convex portion. The third lens element has a convex image-side surface. The fourth lens element has an object-side surface with a convex portion, and a curved image-side surface with a concave portion and a convex portion.

Abstract: System and methods of target detection utilize quantum mechanical transition in surface material of a target, such as a weather balloon in flight against a background (sky, clouds), to produce an inflection in spectral reflectance. The system includes at least two filters alternating in front of the lens as the camera attempts to acquire alternate filtered data. The filters can include a rotating filter wheel with two filters alternately sampling the brightest and darkest points around an inflection point in the spectral reflectance curve of the target's material. Target material is observed to blink, or alternate between bright and dark, as filters alternate in front of the camera lens while the background is unchanging, rendering optimal first detection of the target, and may be readily automated. The described process can use a filter wheel, but use of an electrically tunable filter can provide a device with no moving parts.

Abstract: An assembly for aligning an optical system over an image sensor is described. The assembly may include a lens structure positioned over an image sensor and a lens holder positioned over the lens structure and secured onto a substrate. The lens structure may incorporate an optical section and a structural section extending from the optical section and may rest directly on an image sensor with one or more stoppers that may serve to elevate the optical system with respect to the image sensor at a distance corresponding to a near optimal focal length distance. A lip also included in the structural section of the lens structure may abut two or more opposing sides to secure the lens structure over the image sensor in a centered position with respect to the image sensor.

Abstract: Disclosed is an imaging lens by which astigmatism and field curvature are satisfactorily corrected by arranging on a first surface a concave surface having an appropriate radius of curvature. Condition (1) defines the radius of curvature of the concave surface arranged on the object-side surface of a bonded compound lens. By fulfilling condition (1), a lens can be obtained in which astigmatism and field curvature are satisfactorily corrected. Condition (1): ?1.5<rL11/f<?5.0, wherein rL11 is the local curvature radius of the object-side surface of the first lens calculated by the equation below; f is the focus distance of the entire system. rL11={(h1)2+(s1)2}/(2s1); h1 is 1/10 of the effective radius of the object-side surface of the first lens; and s1 is the displacement amount in a direction parallel to the optical axis from the surface apex point at a lens surface height h1.

Abstract: The subject disclosure is directed towards an image sensor that is controllable curved to adapt for differences in lens focal lengths. Variable data such as focal length data, measured curvature data and/or image quality data is received at a curve controller that curves the sensor based upon the variable data. In one aspect, a camera is provided with a lens having a variable focal length and a sensor capable of being dynamically curved. A curve controller receives image quality data and iteratively uses the image quality data to adjust the curvature to attempt to increase the image quality of a subsequent image to be captured.

Abstract: Multi-spectral imaging technique embodiments are presented which involve an active imaging approach that uses wide band illumination of known spectral distributions to obtain multi-spectral reflectance information in the presence of unknown ambient illumination. In general, a reflectance spectral distribution of a captured scene is computed by selecting a number of different illumination spectra and capturing multiple images of the scene. Each of these images is captured when the scene is illuminated by a different one of the selected illumination spectra in addition to the ambient light. The reflectance spectral distribution of the scene is computed for each pixel location based on the relative response between pairs of the radiometric responses of the corresponding pixels in the captured images, given a set of parameters including the added illumination spectra used to capture each of the images and the response function and spectral sensitivity of the camera used to capture the images.

Abstract: An image-pickup system is disclosed which is capable of performing highly accurate back focus adjustment for each combination of an image-pickup apparatus and a lens apparatus. The system includes a first memory provided in the image-pickup apparatus and stores first identification information unique to a combination of the image-pickup apparatus and a certain lens apparatus, a second memory provided in the lens apparatus and stores second identification information unique to a combination of the lens apparatus and a certain image-pickup apparatus. A comparator compares the first identification information with the second identification information. The generator generates, when the comparison results that the first identification information does not match the second identification information, identification information unique to the combination of the image-pickup apparatus and the lens apparatus.

Abstract: An image processor (101) according to a preferred embodiment of the present invention includes a polarized light source (102) and a polarization camera (103). In shooting an object (104), the object is irradiated with polarized light (105) that rotates its polarization plane. The polarized light is reflected from the object's surface and the polarized reflected light (106) reaches the polarization camera (103), thereby recording an image there. The polarization camera (103) includes a polarization image sensor (201), an intensity and polarization information processing section (202), a polarization plane control section (204), and an image capturing control section (205). By capturing an image every time the polarization plane control section (204) changes the polarization state of the polarized light, an intensity image Y and a polarization phase image P are obtained in association with each polarization state.

Abstract: An encoder includes a base, a cylinder rotatable in a circumferential direction with respect to the base, at least three supporting portions rotatably supporting the cylinder with respect to the base, a connecting portion provided on the cylinder and rotatable within a first range between two supporting portions of the at least three supporting portions, a scale attached to the cylinder, and a detector configured to detect a position of the cylinder with respect to the base by using the scale, and the detector is arranged within a second range different from the first range.

Abstract: The present invention is a camera system which is usable with a mobile terminal. The camera system includes a lens module and at least one mechanism for changing optical properties by interacting with the lens module. The camera system may be built into the mobile terminal or attached thereto as an external module.

Abstract: A lens barrel assembly includes: a lens barrel that is rotatable about an optical axis and is movable in a direction along the optical axis; a moving plate that is combined with the lens barrel so that the moving plate is rotated together with the lens barrel and is movable with respect to the lens barrel in the direction along the optical axis; a power transmission unit that is installed on the moving plate and transmits an outside rotation force to the lens barrel via the moving plate; and a stopper that is disposed on a path on which the moving plate moves in the direction along the optical axis and that limits a movement of the moving plate in the direction along the optical axis in a partial section of the path on which the lens barrel is moved.

Abstract: Arranging a negative first lens, a positive second lens, a negative third lens, a positive fourth lens, and a positive fifth lens from the object side, in which the image side surface of the fifth lens has an aspherical shape with one or more inflection points and a concave shape toward the image side in a paraxial region, and, when the overall optical length, focal length of the entire lens system, focal length of the first lens, distance between image side surface of the second lens and object side surface of the third lens, refractive index of the second lens, and refractive index of the third lens are taken as TL, f, f1, Dg2-3, N2, and N3 respectively, the image capturing lens is configured to simultaneously satisfy conditional expressions (1a): 1.0?TL/f?1.8, (2a): 0.09<Dg2-3/f, (3a): 0.07<|N2?N3|, and (4a): ?35?f1/f??2.3.

Abstract: An image pickup device includes a placing section on which an image pickup element that receives light from an object is placed, a tilted surface section, which is provided on the placing section and is tilted with respect to the axis of light that enters the image pickup element, a direction specifying section, which specifies a moving direction so that the placing section moves parallel to the optical axis direction, a panel section having a surface perpendicular to the optical axis, and a rotating member, which is disposed between the tilted surface section and the panel section, and rotates and moves in the tilt direction of the tilted surface by being in contact with the tilted surface section.

Abstract: The lens apparatus is detachably attachable to a camera apparatus. The lens apparatus includes an image taking optical system, a memory configured to store aberration correction data being used for image correction processing corresponding to aberration of the image taking optical system, the image correction processing being performed on an image captured by the camera apparatus through the image taking optical system, and a data sending part configured to send the aberration correction data to the camera apparatus. The data sending part is configured to select partial data that is part of the aberration correction data depending on one of a position and a state of an optical adjustment member included in the image taking optical system and information on an image pickup element provided in the camera apparatus, and to send the partial data to the camera apparatus.

Abstract: The 1st positive lens unit is located closer to the object side at the telephoto end than at the wide angle end. The distance between the 1st negative lens unit and the 1st positive lens unit is larger at the telephoto end than at the wide angle end. The distance between the image side lens unit group and the 1st negative lens unit varies during zooming from the wide angle end to the telephoto end. The image side lens unit group comprises a 2nd positive lens unit and a 3rd positive lens unit. The distance between the 2nd positive lens unit and the 1st negative lens unit is smaller at the telephoto end than at the wide angle end. The distance between the 3rd positive lens unit and the 2nd positive lens unit varies during zooming from the wide angle end to the telephoto end.

Abstract: A zoom lens includes, a lens unit Lp having the highest positive refractive power, a lens unit Ln having negative refractive power, and a lens unit Lp2 having positive refractive power. In a first region, focusing from an infinite distance to a predetermined finite distance and zooming are able to be performed. In a second region in which macro driving is performed from a telephoto end to a macro end, two or more lens units are moved during macro driving so that the lens unit Lp is located closer to the object side than at a wide-angle end, a distance between the lens unit Lp and the lens unit Ln is larger at the macro end than at the wide-angle end, and a distance between the lens unit Ln and the lens unit Lp2 is smaller at the macro end than at the wide-angle end.

Abstract: An electronic device includes a main body and an image capturing device positioned on the main body. The image capturing device includes a fixing pole, a rotating plate, two lens modules, and an image sensor. The fixing pole is fixed on the main body. The rotating plate is sleeved over the fixing pole and rotates around the fixing pole. The two lens modules are mounted on the rotating plate and symmetrical with the fixing pole. The image sensor is arranged on the main body. The rotating plate is rotated to make the two lens modules be alternated to align with the image sensor.

Abstract: There is set forth herein in one embodiment an imaging apparatus having an imaging assembly and an illumination assembly. The imaging assembly can comprise an imaging lens and an image sensor array. The illumination assembly can include a light source bank having one or more light source. The imaging assembly can define a field of view on a substrate and the illumination assembly can project light within the field of view. The imaging apparatus can be configured so that the illumination assembly during an exposure period of the imaging assembly emits light that spans multiple visible color wavelength bands.

Abstract: In an imaging camera system formed of a camera optical system that focuses an object to be imaged on an image sensor surface and a system that performs image processing on a detected image, a phase filter inserted in a position in the vicinity of an aperture of the optical system is characterized in that the phase filter has at least one surface having a non-rotationally symmetrical aspheric shape having three protrusion and three recesses within an effective diameter, one of the protrusions having a local maximum within the effective diameter, one of the recesses having a local minimum within the effective diameter, the remaining two protrusions and recesses continuously inclined toward a region outside the effective diameter.

Abstract: Provided is a small-sized five-element image pickup lens which ensures a sufficient lens speed of about F2 and exhibits various aberrations being excellently corrected. The image pickup lens is composed of, in order from the object side, a first lens with a positive refractive power, including a convex surface facing the object side; a second lens with a negative refractive power, including a concave surface facing the image side; a third lens with a positive or negative refractive power; a fourth lens with a positive refractive power, including a convex surface facing the image side; and a fifth lens with a negative refractive power, including a concave surface facing the image side. The image-side surface of the fifth lens has an aspheric shape, and includes an inflection point at a position excluding an intersection point with the optical axis.

Abstract: Embodiments are directed towards using a color filtration system to generate multiple color images of a same single image that is displayed on a photo sensor plane to determine a lens adjustment position for a defined region of interest usable to automatically focus at least the defined region of interest using the single image. In one embodiment, the color filtration system employs a multiple color aperture filter and two single element lenses to generate multiple color images when an object within the single image is out of focus. In another embodiment, a metal dielectric interference filter is mounted directly in front of the photo sensor, to generate the multiple color images.

Abstract: The invention relates to a high-resolution imaging system for recording images of the same scene, that are sampled in a complementary manner. To this end, an image filter (2) is arranged in an intermediate focusing plane (P1), and a matrix (3) of microlenses is arranged at a distance from the image filter, with each microlens that is associated with an opening (O2) of the image filter. An image detection matrix (9) is then optically conjugated with the microlens matrix. The system also comprises a device for moving an intermediate image in relation to the image filter (2). Such an imaging system is especially suitable for recording high-resolution infrared images.

Abstract: Disclosed herein is an imaging lens suitable for a camera module using a high resolution imaging sensor, decreasing a flare phenomenon and reducing the sensitivity. The imaging lens comprises, in order from the object side, a first lens having positive (+) refractive force; a second lens having negative (?) refractive force; a third lens having positive (+) refractive force; a fourth lens having positive (+) refractive force; and a fifth lens having negative (?) refractive force, wherein an object side plane of the third lens is convexly formed.

Abstract: Spatial resolution can be improved in multi-lens digital cameras. Each lens can have the same or similar field of view, but can be associated with different geometric distortions defining, for example, a magnification at various field of view portions. A final image can be generated based on an initial image captured by each lens Luminance information from the magnified portions of the initial images can be combined to form final image luminance information. Chrominance information from the initial images can be combined to form final image chrominance information. The final image can be generated based on the final image luminance information and the final image chrominance information.

Abstract: Systems and methods for improving video stutter in high resolution progressive video captured with fast exposure times. In a first approach, digital video is captured with fast shutter speeds that cause each frame of the video to be sharp. A motion blur is not captured for objects moving within the frame. The video codec generates motion information that may be utilized to add an artificial motion blur to each frame of the digital video during processing in a digital video pipeline. In a second approach, the lens assembly of the digital camera includes an electronically actuated filter that attenuates the light reaching an image sensor such that the shutter speeds may be decreased in order to capture motion blur. The electronically actuated filter may be a liquid crystal display (LCD) device that is set to a plurality of different transparency levels based on the voltage applied to the LCD device.

Abstract: A camera module has an image sensor and a lens assembly that includes a lens barrel having a first cylindrical portion that includes an externally threaded portion and a second cylindrical portion that has a larger diameter than the externally threaded portion. A lens moving mechanism includes a movable sleeve having internal threads that receive the externally threaded portion of the lens assembly. The lens moving mechanism is coupled to the image sensor such that the second cylindrical portion of the lens assembly is closest to the image sensor. The camera module is assembled by inserting the lens assembly into the lens moving mechanism from the side closest to the image sensor. An installation tool may engage the second cylindrical portion to rotate the lens assembly and engage the threaded portions. Features may be provided to retain the lens assembly in the lens moving mechanism before joining the threaded portions.

Abstract: An image pickup apparatus includes: a lens optical system including six regions having such optical characteristics that focal characteristics are made different from one another; an image pickup device having a plurality of pixels on which light beams having passed through the lens optical system are incident; and an arrayed optical device for making light beams having passed through the six regions incident respectively on different pixels on the image pickup device.

Abstract: An FPC (3) includes a first bending portion (31) having an outer periphery thereof directed from an attachment portion (36) toward an upstream end (3F), and bent in such a direction as to face the attachment portion (36); a second bending portion (32) which is bent from the attachment portion (36) toward a center axis (Z1) at a specified position closer to a downstream end (3B) than the first bending portion (31), and guided to a positioning portion (11); and a third bending portion (33) which is bent toward the camera body at a specified position closer to the downstream end (3B) than the positioning portion (11).

Abstract: A method includes producing a first layer of optical liquid, shaping contactlessly the first layer of the optical liquid according to a desired form, and curing the shaped first layer of the optical liquid with electromagnetic radiation to generate a first optically refracting surface.

Abstract: A telephoto lens system including a first lens group having a positive refractive power and including a negative lens that is disposed closest to an object side and has a meniscus shape that is convex toward the object side; a second lens group having a negative refractive power and including a single negative lens that moves along an optical axis and performs focusing; and a third lens group having a positive refractive power, wherein the first through third lens groups are disposed sequentially from the object side toward the image side, and the telephoto lens system satisfies the following condition, 0.5<|f2/f|<0.81, wherein, f2 denotes the focal length of the second lens group, and f denotes the focal length of the telephoto lens system.

Abstract: An image pickup apparatus, including: a filter including transmittance variable element and adjusting amount of incident light from lens; a photoelectric transducer; and guide optical system guiding the incident light from the filter to the photoelectric transducer. The guide optical system includes color separation optical system including, in order from object side, first prism having first dichroic film, second prism having second dichroic film, and third prism, to separate the incident light into red, green, and blue. The first or second dichroic film is blue reflection dichroic film. Rotational position of the transmittance variable element about optical axis is such a position that ratio of transmittance for blue to transmittance for green of marginal ray entering the blue reflection dichroic film at incident angle smaller than principal ray of axial ray to the blue reflection dichroic film is smaller than such ratio of the principal ray of axial ray.

Abstract: A camera system having a predetermined image circle, comprises: an interchangeable lens having a lens mount portion; and a camera body having an image sensor that is disposed within that image circle, and a body mount portion, wherein, when a radius of circular portion at a maximum internal diameter part of an opening portion of the lens mount portion is termed rM, a flange back that is a distance from the lens mount portion to a light reception surface of an image sensor in a state that the interchangeable lens and the camera body are mutually engaged is termed da, and the diameter of the image circle is termed D, the following equations are satisfied: 14.0 mm?2rM?40.0 mm ??Conditional Expression #1 16.0 mm?da?20.0 mm ??Conditional Expression #2 14.0 mm?D?20.0 mm ??Conditional Expression #3.

Abstract: A digital camera system configurable to operate in a low-resolution refocusable mode and a high-resolution non-refocusable mode comprising: a camera body; an image sensor mounted in the camera body having a plurality of sensor pixels for capturing a digital image; an imaging lens for forming an image of a scene onto an image plane, the imaging lens having an aperture; and an adaptor that can be inserted between the imaging lens and the image sensor to provide the low-resolution refocusable mode and can be removed to provide the high-resolution non-refocusable mode, the adaptor including a microlens array with a plurality of microlenses; wherein when the adaptor is inserted to provide the low-resolution refocusable mode, the microlens array is positioned between the imaging lens and the image sensor.