A camera module includes a housing having a lens module, an aperture module provided above the lens module and including blades that form incident holes having different sizes in multiple stages or successively, a moving part configured to linearly reciprocate to drive the blades, including a driving magnet facing a driving coil, a position sensor configured to sense a position of the moving part according to interaction with the driving magnet, and a controller configured to receive a signal from the position sensor and confirm or correct the position of the moving part.

A camera system for providing images with simultaneous high resolution and large depth of field is provided. The system includes: a camera device having a field of view, the camera device configured to automatically acquire: a first image of the field of view at a first numerical aperture; and a second image of the field of view at a second numerical aperture smaller than the first numerical aperture; an image processing unit configured to combine the first image with the second image into a single image by: extracting a higher-resolution in-focus portion of the first image; and replacing a corresponding lower-resolution portion of the second image with the higher-resolution in-focus portion of the first image; and, a display device in communication with the image processing unit, the display device configured to render the single image.

A camera system for providing images with simultaneous high resolution and large depth of field is provided. The system includes: a camera device having a field of view, the camera device configured to automatically acquire: a first image of the field of view at a first numerical aperture; and a second image of the field of view at a second numerical aperture smaller than the first numerical aperture; an image processing unit configured to combine the first image with the second image into a single image by: extracting a higher-resolution in-focus portion of the first image; and replacing a corresponding lower-resolution portion of the second image with the higher-resolution in-focus portion of the first image; and, a display device in communication with the image processing unit, the display device configured to render the single image.

A camera device is packaged inside an external shell of an electronic apparatus. The external shell has an opening. The camera device has a transparent plate, a part of which is adjacent to the opening of the external shell. The transparent plate forms an accommodating space for accommodating other components of the camera device. Thus, the dust can be prevented from falling into a shutter blade room of the camera device. The camera device also includes a shutter blade, a driver, and a plate. The plate has an aperture, and the aperture of the camera device is defined thereby. The aperture of the plate is completely pervious to light when the shutter blade is at a first position, and the aperture of the plate is partially pervious to light when the shutter blade is at a second position, thereby changing the aperture of the camera device.

An optical system is provided, including a movable part, a fixed module, a driving assembly, a position sensor, and an electronic element. The movable part holds an optical element that defines an optical axis, and the fixed module is movably connected to the movable part and has a base. The driving assembly drives the movable part to move relative to the fixed module. The position sensor is disposed on the base for detecting the position of the movable part relative to the fixed module. The electronic element is disposed on the base, wherein the position sensor overlaps the electronic element when viewed along the optical axis.

A lens device includes an imaging optical system and an optical member. The optical member is disposed near a pupil of the imaging optical system in a state where an optical axis of the optical member coincides with an optical axis of the imaging optical system. The optical member includes a frame that includes a plurality of aperture regions, a plurality of optical filters that are disposed in at least one of the plurality of aperture regions and include two or more optical filters transmitting light having at least some wavelength ranges different from each other, and a plurality of polarizing filters that are disposed in at least one of the plurality of aperture regions and have different polarization directions. The lens barrel has a slit, and the optical member is insertable into and removable from the imaging optical system through the slit.

A lens device includes an imaging optical system and an optical member. The optical member is disposed near a pupil of the imaging optical system in a state where an optical axis of the optical member coincides with an optical axis of the imaging optical system. The optical member includes a frame that includes a plurality of aperture regions, a plurality of optical filters that are disposed in at least one of the plurality of aperture regions and include two or more optical filters transmitting light having at least some wavelength ranges different from each other, and a plurality of polarizing filters that are disposed in at least one of the plurality of aperture regions and have different polarization directions. The lens barrel has a slit, and the optical member is insertable into and removable from the imaging optical system through the slit.

An imaging optical apparatus with a thin blade containing member for containing a blade member for limiting an opening, having an insertion portion that has an opening; an actuator for causing a blade member to slide; a containing frame for containing the actuator and the blade containing member, except for the insertion portion, having, on an outer edge, a recessed lens frame retaining portion into which the insertion portion; a lens frame, held in the lens frame retaining portion, having an insertion hole, for insertion of the insertion portion so that the center of the opening will be coaxial with the optical axis; and a clip for holding, in cooperation with the containing frame, a lens frame that is held in the lens frame retaining portion, through joining with the containing frame.

A camera module includes a variable aperture module and a lens module. The variable aperture module includes at least one aperture piece and a radial propulsion device. The lens module includes a lens assembly and an axial propulsion device. The axial propulsion device is configured to drive the lens assembly along an axial direction. The radial propulsion device is configured to propel the aperture piece in a radial direction approaching a central axis of the lens assembly, such that a portion of the aperture piece enters the lens assembly through an opening defined by the wall of the lens barrel. The radial propulsion device is configured to retract the aperture piece in a radial direction away from the central axis of the lens assembly, such that the portion of the aperture piece leaving the lens assembly through the opening defined by the wall of the lens barrel.

The present invention relates to an optical element driving mechanism, including a base, a holder, a frame and a light intensity adjusting assembly. The holder is movably connected to the base and carries the optical element, wherein the optical element has an opening and an optical axis so that light passes through the opening to the optical element. The frame is connected to the holder and the base. The light intensity adjusting assembly is disposed on the frame. The light intensity adjusting assembly includes a first shutter, a second shutter and a shutter driving member. The second shutter is disposed between the first shutter and the frame. The shutter driving member is disposed between the second shutter and the frame to drive the first shutter and the second shutter.