The present invention relates to the technical field of optical lens and discloses a camera optical lens satisfying following conditions: −0.50≤f1/f2≤−0.35; 5.00≤f3/f≤14.00; −3.10≤(f2+f5)/f≤−2.40; 3.00≤(R3+R4)/(R3−R4)≤4.00; 1.20≤(R7+R8)/(R7−R8)≤1.30; 0.25≤(R9+R10)/(R9−R10)≤0.65; where f denotes a focal length of the camera optical lens; f1, f2, f3 and f5 respectively denote a focal length of the first, second, third and fifth lenses; R3, R7 and R9 respectively denote a curvature radius of an object-side surface of the second, fourth and fifth lenses; R4, R8 and R10 respectively denote a curvature radius of an image-side surface of the second, fourth and fifth lenses.

A lens assembly includes a lens including an optical portion refracting light and a flange portion extending along a portion of a circumference of the optical portion, a blocking member disposed in front of the lens and having an opening to allow light to be incident on the lens, and a lens barrel accommodating the lens. The optical portion is noncircular and a portion of the blocking member facing the optical portion in an optical axis direction is located to be higher than a portion of the blocking member facing the flange portion in the optical axis direction.

A sensor assembly includes a housing including a chamber; a first sensor disposed in the chamber and including a first sensor window facing outward from the chamber; a second sensor outside and fixed relative to the chamber, the second sensor including a second sensor window; a blower having a blower outlet in the chamber and having a blower inlet; and a flexible hose extending from a first end positioned to receive ambient air to a second end positioned to direct air into the blower inlet. The housing includes a first outlet from the chamber to the exterior environment, and a second outlet from the chamber to the exterior environment. The first outlet is positioned to direct air across the first sensor window, and the second outlet is positioned to direct air across the second sensor window.

The present technology relates to an imaging device and an electronic apparatus capable of adjusting a focus position and an image stabilization position with high accuracy. There are provided a lens that converges object light, an imaging element that photoelectrically converts the object light received from the lens, a circuit base that includes a circuit configured to output a signal received from the imaging element to an outside, an actuator that drives the lens with a PWM (Pulse Width Modulation) waveform in at least either one of an X-axis direction and a Y-axis direction, and plural detection units that are so disposed as to face plural first coils included in the actuator, and detect magnetic fields generated by the first coils. The present technology is applicable to an imaging device.

An optical system includes a diaphragm, and a first cemented lens disposed adjacent to an object side of the diaphragm. The first cemented lens included a negative lens. A predetermined condition is satisfied.

An optical imaging system includes a first lens having an object-side surface that is convex; a second lens having a refractive power; a third lens having a refractive power; a fourth lens having a refractive power; a fifth lens having a refractive power and an object-side surface that is concave; and a sixth lens having a refractive power and an object-side surface that is concave, wherein the first lens through the sixth lens are sequentially disposed in numerical order from an object side of the optical imaging system toward an imaging plane, and the optical imaging system satisfies the conditional expressions 0.7<TL/f<1.0 and TL/2<f1, where TL is a distance from the object-side surface of the first lens to the imaging plane, f is an overall focal length of the optical imaging system, and f1 is a focal length of the first lens.

A method for switching between a first lens and a second lens in an electronic device includes displaying, by the electronic device, a first frame showing a field of view (FOV) of the first lens; detecting, by the electronic device, an event that causes the electronic device to transition from displaying the first frame to displaying a second frame showing a FOV of the second lens; generating, by the electronic device and based on the detecting the event, at least one intermediate frame for transitioning from the first frame to the second frame; and switching, by the electronic device and based on the detecting the event, from the first lens to the second lens and displaying the second frame, wherein the at least one intermediate frame is displayed after the displaying the first frame and before the displaying the second frame while the switching is performed.

A plenoptic endoscope includes a fiber bundle with a distal end configured to receive light from a target imaging region, a sensor end disposed opposite the distal end, and a plurality of fiber optic strands each extending from the distal end to the sensor end. The plenoptic endoscope also includes an image sensor coupled to the sensor end of the fiber bundle, and a plurality of microlenses disposed between the image sensor and the sensor end of the fiber bundle, the plurality of microlens elements forming an array that receives light from one or more of the plurality of fiber optic strands of the fiber bundle and directs the light onto the image sensor. The plurality of microlens elements and the image sensor together form a plenoptic camera configured to capture information about a light field emanating from the target imaging region.

A meta lens assembly includes a first meta lens, a second meta lens arranged on an image side of the first meta lens, and a third meta lens arranged on an image side of the second meta lens, the first meta lens, the second meta lens, and the third meta lens being arranged from an object side of the meta lens assembly to an image side of the meta lens assembly facing an image sensor.

A camera module includes a housing, a unitary element, an optical lens assembly, an image-side light blocking assembly and a driving device. The unitary element is one-piece formed from a lens carrier and a lens barrel and movably disposed in the housing. The optical lens assembly is disposed in the unitary element. The image-side light blocking assembly includes at least one light blocking sheet, and the image-side light blocking assembly does not contact the optical lens assembly. The driving device is disposed between the housing and the unitary element. The driving device drives the unitary element, the optical lens assembly and the image-side light blocking assembly to move in an optical axis direction parallel to an optical axis of the optical lens assembly by electromagnetic force. A minimal inner opening of the unitary element is located between the optical lens assembly and the image-side light blocking assembly.