Abstract: The disclosure provides a camera module, a monitoring system and a vehicle camera, the camera module includes a lens barrel, a first lens and a heating element, the lens barrel includes a light entrance, the first lens is disposed at the light entrance, the first lens includes an image side surface, the heating element directly acts on the image side surface to heat the first lens. By directly applying the heating element to the image side surface of the first lens, the heating element can directly transmit heat energy to the first lens, thereby achieving the effect of defogging and defrosting automatically.

Abstract: The present disclosure provides a prime lens module and an in-vehicle camera system. From an object side to an imaging side thereof, the prime lens module sequentially includes: a first lens with a negative focal power, a second lens with a negative focal power, a third lens with a positive focal power, a fourth lens with a positive focal power, a fifth lens with a positive focal power, a sixth lens with a negative focal power, and a seventh lens with a positive focal power. The first lens is a meniscus spherical lens. The second lens is a biconcave spherical lens. The third lens is a biconvex spherical lens and bonded to the second lens. The fourth lens is a biconvex spherical lens or a biconvex aspheric lens. The fifth lens is a biconvex spherical lens. The sixth lens is a biconcave spherical lens and bonded to the fifth lens.

Abstract: The present disclosure provides a wide-angle lens, including a first lens group having a negative focal power, a second lens group having a positive focal power, and an aperture stop disposed between the first lens group and the second lens group. The first lens group, from the object side to the imaging surface, sequentially includes a meniscus-shaped first lens having a negative focal power, a second lens having a negative focal power, and a third lens having a positive focal power. A concave surface of the first lens faces the imaging surface, and a concave surface of the second lens faces the imaging surface.

Abstract: The disclosure provides a wide-angle lens, an imaging module, and a camera. From an object side to an imaging plane, the wide-angle lens sequentially includes: a first lens and a second lens each having a negative refractive power, a convex object side surface, and a concave image side surface; a third lens having a positive refractive power and a convex image side surface; a fourth lens having a negative refractive power, a concave object side surface, and a convex image side surface; a stop; a fifth lens; a sixth lens; a seventh lens having a negative refractive power, a concave object side surface, and a concave image side surface; an eighth lens; and an optical filter. The fifth lens, the sixth lens, and the eighth lens each have a positive refractive power, a convex object side surface, and a convex image side surface.

Abstract: An optical imaging lens group, from an object side to an image side sequentially includes: a meniscus-shaped first lens having a negative refractive power and a convex surface facing the object side; a meniscus-shaped second lens having a negative refractive power and a convex surface facing the image side; an aperture stop; a third lens having a positive refractive power and two convex surfaces respectively at the object side and the image side; a fourth lens having a positive refractive power and two convex surfaces respectively at the object side and the image side; a fifth lens having a negative refractive power and two concave surfaces respectively at the object side and the image side; a sixth lens having a positive refractive power and two convex surfaces respectively at the object side and the image side; and a filter.

Abstract: The disclosure provides an infrared optical imaging lens, a camera module and a DMS. From an object side to an image side along an optical axis, the infrared optical imaging lens sequentially includes a stop, a first lens with a positive refractive power, a second lens with a positive refractive power, a third lens with a negative refractive power, and a filter. An object side surface of the first lens is convex, an image side surface of the first lens is concave. An object side surface of the second lens is concave, an image side surface of the second lens is convex. A paraxial portion of an object side surface of the third lens is convex, and a paraxial portion of an image side surface of the third lens is concave.

Abstract: The disclosure provides a camera lens, a camera module and vehicle camera. The camera lens sequentially includes a first group, a stop, and a second group along an optical axis from an object side to an imaging surface. The first group includes a biconcave first lens and a biconvex second lens. The second group includes a third lens, a fourth lens, a fifth lens and a sixth lens. The third lens has a positive refractive power, a convex object side surface and a concave image side surface. The fourth lens has a negative refractive power and is a biconcave lens. The fifth lens has a positive refractive power and is a biconvex lens. The sixth lens has a positive refractive power, a convex object side surface and a concave image side surface. The fourth lens and the fifth lens form a cemented body with a positive refractive power.

Abstract: The disclosure provides an ultra-wide-angle lens. From an object side to an imaging surface, the ultra-wide-angle lens sequentially includes a first group with a negative refractive power, a second group with a positive refractive power, a stop, a third group with a positive refractive power or negative refractive power, a fourth group with a positive refractive power and filter. The first group includes at least one negative refractive power lens, the second group sequentially includes a negative refractive power lens and a positive refractive power lens. The third group includes a positive refractive power lens and a negative refractive power lens, the positive refractive power lens of the third group and the negative refractive power lens of the third group being bonded together to form an integrated body. The fourth group includes at least one positive refractive power lens.

Abstract: The present disclosure provides a lens module, a camera, and a driver assistant system. From an object side to an image side, the lens module sequentially includes a first lens with a negative refractive power, a second lens with a negative refractive power, a third lens with a positive refractive power, a stop, a fourth lens with a positive refractive power, a fifth lens with a negative refractive power, a sixth lens with a positive refractive power, and a filter. The fifth lens and the fourth lens constitute a bonding lens group. The second lens, the third lens, the fourth lens, and the fifth lens are glass spherical lenses, and the first lens and the sixth lens are both glass aspherical lenses. The lens module significantly increases the distortion in a small FOV to meet the special algorithm requirements of an in-vehicle system.

Abstract: The disclosure provides an optical lens system and a vehicle camera. From an object side to an imaging surface, the optical lens system sequentially includes a first lens having a negative refractive power; a second lens having a positive refractive power; a third lens having a positive refractive power; a fourth lens having a positive refractive power; a fifth lens having a negative refractive power, the fourth lens and the fifth lens constituting a cemented lens; a sixth lens having a positive refractive power; a seventh lens with a negative refractive power; a stop disposed between the first lens and the third lens. The lens of the present disclosure not only has thermal stability, but also has extremely high resolution for the objects that emit or reflect monochromatic lights of different wavelengths, so as to meet the requirements of the driverless vehicle system on the lens.

Abstract: A wide-angle lens in the following order from an object side toward an image plane includes: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an optical reflecting member, and an optical filter. The first lens has negative refractive power and a concave image side surface. The second lens has negative refractive power and a concave image side surface. The third lens has positive refractive power. The fourth lens has positive refractive power and a concave image side surface. The fifth lens has negative refractive power, a concave object side surface, and a concave image side surface. The sixth lens has positive refractive power, a convex object side surface, and a convex image side surface. The seventh lens has positive refractive power, a convex object side surface, and a convex image side surface. Each of the first lens and the third lens is a spherical lens.

Abstract: The disclosure discloses a camera lens and an imaging device, and the camera lens includes: a front lens group close to the object-side, a reflective element, a diaphragm and a rear lens group close to the image-side, wherein the front lens group comprises a first lens and a second lens; the rear lens group includes a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens; the front lens group is a negative refractive index lens group, the rear lens group is a positive refractive index lens group; the reflective element is disposed between the second lens and the third lens; the diaphragm is disposed between the third lens and the fourth lens. The camera lens and the imaging device of the present disclosure may not generate vignetting at the large field of view.

Abstract: The embodiments of the disclosure provide a vehicle lens, an imaging device, a camera module and a vehicle camera. From an object side to an image side, the vehicle lens sequentially includes a first group with a negative refractive power, a stop, a second group with a positive refractive power, and a third group with a positive refractive power. The first group includes a first lens and a second lens. The second group includes at least a third lens. The third group includes a fourth lens, a fifth lens, and a sixth lens, wherein the fourth lens has a positive refractive power, an convex object side surface and an convex image side surface, the fifth lens has a negative refractive power and a concave object side surface, the sixth lens has a positive refractive power. The third group includes at least one aspheric lens.

Abstract: The disclosure provides an optical lens, from an object side to an imaging surface, the optical lens sequentially includes a first lens having a negative refractive power; a second lens having a negative refractive power; a third lens having a positive refractive power; a fourth lens having a positive refractive power; a fifth lens having a positive refractive power; a sixth lens having a negative refractive power; the fifth lens and the sixth lens being cemented into an cemented body; a seventh lens having a positive refractive power; and the optical lens further include a stop, disposed between the second lens and the third lens. The optical lens provided in the present disclosure has a wide-spectrum imaging function. The disclosure further provides an imaging device.

Abstract: The present disclosure provides a method, a device and a system for correcting distortion of a wide-angle lens. The method includes: acquiring n half field of views FOVs ?1 to ?n of the wide-angle lens, and acquiring ratios of adjacent FOVs ?1 to ?(n-1) according to the n half FOVs ?1 to ?n; obtaining image heights IHs r1 to rn corresponding to the n half FOVs according to the n half FOVs ?1 to ?n; obtaining an IH relationship of adjacent half FOVs according to the ratios of adjacent FOVs ?1 to ?(n-1) and the IHs r1 to rn corresponding to the n half FOVs, and obtaining the IH of each half FOV through recurrence calculation according to an IH corresponding to a maximum FOV and the IH relationship of adjacent half FOVs; and correcting distortion of the wide-angle lens across FOVs according to the IH of each half FOV.

Abstract: A collimator lens system includes a first lens, a second lens, a third lens and a diaphragm from an object side to an image side of the system in turn along an optical axis, in which the first lens is of a positive focal power, and an object side surface thereof is convex; the second lens is of a negative focal power; the third lens is of a positive focal power, and an image side surface thereof is convex; optical centers of all the lenses are arranged along a same straight line, the system meets following formulas: f12>f3; (dn/dt)1<?50×10?6/° C.; (dn/dt)2<?50×10?6/° C.; (dn/dt)3>?10×10?6/° C., where f12 represents a combined focal length of the first and second lenses, f3 represents a focal length of the third lens, and (dn/dt)1, (dn/dt)2, and (dn/dt)3 represent change rates of refractive indices of the first lens, the second lens and the third lens with temperature, respectively.

Abstract: A collimator lens includes a first lens, a second lens and a diaphragm from an object side to an image side of the assembly in turn along an optical axis, in which the first lens is of a positive focal power, and an object side surface thereof is convex; the second lens is of a positive focal power, and an image side surface thereof is convex; optical centers of the first lens and the second lens are arranged along a same straight line, the system meets following formulas: f1>f2; (dn/dt)1<?50×10?6/° C.; (dn/dt)2>?10×10?6/° C., where f1 represents a focal length of the first lens, f2 represents a focal length of the second lens, (dn/dt)1 represents a change rate of a refractive index of the first lens with temperature, and (dn/dt)2 represents a change rate of a refractive index of the second lens with temperature.