7results about How to "With large aperture" patented technology

The present invention provides an optical lens. The number of lenses with optical power is five. Along the optical axis, from the object side to the imaging surface, it successively includes: a first lens with negative optical power; a second lens with positive optical power, whose object side surface is convex and whose image side surface is concave; a third lens with negative optical power, whose object side surface is convex and whose image side surface is concave; a fourth lens with positive optical power, whose object side surface is convex; a fifth lens with positive optical power; wherein, the focal length f3 of the third lens and the effective focal length f of the optical lens satisfy: -1.4 < f3 / f < -0.85. The optical lens provided by the present invention has one or more advantages such as a large image surface, a long focal length, a large aperture, and high imaging quality through specific surface shape matching and reasonable optical power distribution.

The invention provides an optical lens, which comprises five lenses with focal power and sequentially comprises a first lens with negative focal power, a second lens with positive focal power, a third lens with negative focal power, a fourth lens with negative focal power, a fifth lens with negative focal power and a sixth lens with negative focal power from an object side to an imaging surface along an optical axis, the object side surface of the second lens is a convex surface, and the image side surface of the second lens is a concave surface; the third lens has negative focal power, and the image side surface of the third lens is a concave surface; the object side surface of the fourth lens is a convex surface, and the image side surface of the fourth lens is a concave surface; the fifth lens has positive focal power, and the object side surface of the fifth lens is a convex surface; wherein the focal length f2 of the second lens and the effective focal length f of the optical lens meet the following conditions: 0.8 lt; f2 / flt; 1.1. According to the optical lens provided by the invention, through specific surface shape matching and reasonable focal power distribution, the lens has one or more advantages of large image surface, long focus, large aperture, high imaging quality and the like.

The present invention provides an optical lens. The number of lenses with optical power is five. Along the optical axis from the object side to the imaging surface, it sequentially includes: a first lens with negative optical power, whose object side surface is concave; a second lens with positive optical power, whose object side surface is concave and whose image side surface is convex; a third lens with negative optical power, whose image side surface is concave; a fourth lens with positive optical power, whose object side surface is convex and whose image side surface is concave; a fifth lens with positive optical power, whose image side surface is convex; wherein, the focal length f5 of the fifth lens and the effective focal length f of the optical lens satisfy: 0.9 < f5 / f < 1.3. The optical lens provided by the present invention has one or more advantages such as a large image surface, a long focal length, a large aperture, and high imaging quality through specific surface shape matching and reasonable optical power distribution.

This invention relates to the field of optical lenses, and discloses a camera optical lens comprising seven lenses, arranged sequentially from the object side to the image side as follows: a first lens with positive refractive power, a second lens with negative refractive power, a third lens with positive refractive power, a fourth lens with negative refractive power, a fifth lens with positive refractive power, a sixth lens with positive refractive power, and a seventh lens with negative refractive power; wherein the focal length of the camera optical lens is f, the focal length of the first lens is f1, the central radius of curvature of the object side of the fifth lens is R9, the central radius of curvature of the image side of the fifth lens is R10, the axial thickness of the fourth lens is d7, and the axial distance from the image side of the fourth lens to the object side of the fifth lens is d8, and satisfies the following relationships: 1.00≤f1 / f≤2.00; 5.00≤d7 / d8≤10.00; 2.00≤R9 / R10≤8.00. This camera lens not only boasts excellent optical performance but also meets the design requirements of large aperture, wide-angle, and ultra-thin design.

This invention provides a camera optical lens, comprising, from the object side to the image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, and an eighth lens. The first lens has negative refractive power. The field of view (FOV) of the camera optical lens is , the focal length of the sixth lens is f6, the focal length of the seventh lens is f7, the axial distance from the image side of the second lens to the object side of the third lens is d4, and the axial distance from the image side of the third lens to the object side of the fourth lens is d6, satisfying the following relationships: 100.00°≤FOV≤135.00°; -5.00≤f6 / f7≤-1.00; 0.85≤d4 / d6≤5.00. This camera optical lens not only possesses excellent optical performance but also meets the design requirements of a large aperture and wide angle.

This invention relates to the field of optical lenses and discloses a camera optical lens comprising seven lenses, arranged sequentially from the object side to the image side as follows: a first lens with positive refractive power, a second lens with negative refractive power, a third lens with positive refractive power, a fourth lens with refractive power, a fifth lens with positive refractive power, a sixth lens with negative refractive power, and a seventh lens with negative refractive power; wherein the focal length of the camera optical lens is f, the focal length of the fourth lens is f4, the central radius of curvature of the object side of the second lens is R3, the central radius of curvature of the image side of the second lens is R4, the axial thickness of the first lens is d1, and the axial distance from the image side of the first lens to the object side of the second lens is d2, satisfying the following relationships: -10.00≤f4 / f≤10.00; 1.00≤d1 / d2≤3.00; 2.00≤(R3+R4) / (R3-R4)≤7.00. This camera lens not only boasts excellent optical performance but also meets the design requirements of large aperture, wide-angle, and ultra-thin design.

This invention relates to the field of optical lenses and discloses a camera optical lens comprising seven lenses, arranged sequentially from the object side to the image side as follows: a first lens with positive refractive power, a second lens with negative refractive power, a third lens with positive refractive power, a fourth lens with refractive power, a fifth lens with positive refractive power, a sixth lens with negative refractive power, and a seventh lens with negative refractive power; wherein the focal length of the camera optical lens is f, the focal length of the fourth lens is f4, the central radius of curvature of the object side of the second lens is R3, the central radius of curvature of the image side of the second lens is R4, the axial thickness of the third lens is d5, and the axial distance from the image side of the third lens to the object side of the fourth lens is d6, and satisfies the following relationships: -10.00≤f4 / f≤10.00; 4.00≤d5 / d6≤8.00; 2.00≤(R3+R4) / (R3-R4)≤10.00. This camera lens not only boasts excellent optical performance but also meets the design requirements of large aperture, wide-angle, and ultra-thin design.