Abstract: The present disclosure relates to the field of optical lenses and provides a camera optical lens. The camera optical lens includes, from an object side to an image side: a first lens; a second lens having a negative refractive power; a third lens having a positive refractive power; a fourth lens; a fifth lens; and a sixth lens. The camera optical lens satisfies following conditions: ?5.00?f1/f2??2.00; and ?20.00?(R1+R2)/(R1?R2)??2.00. The camera optical lens can achieve a high imaging optical imaging performance while obtaining a low TTL.

Abstract: The present disclosure provides a camera lens assembly. The camera lens assembly includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens arranged in sequence from an object side to an image side along an optical axis. The first lens, the second lens and the fifth lens have positive refractive powers, and the third lens and the sixth lens have negative refractive powers. A total effective focal length f of the camera lens assembly and an entrance pupil diameter EPD of the camera lens assembly satisfy: f/EPD?1.7.

Abstract: An imaging lens system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens, sequentially disposed at intervals from an object side of the imaging lens system. The imaging lens system satisfies 1.5<Nd5<1.6, 30<V5<50, and TTL/2IH<0.730, where Nd5 is a refractive index of the fifth lens, V5 is an Abbe number of the fifth lens, TTL is a distance from an object side surface of the first lens to an imaging plane, and 2IH is a diagonal length of the imaging plane.

Abstract: An imaging lens may include a first lens L1 having negative power, a second lens L2 having negative power, a third lens L3 having positive power, a fourth lens L4 having negative power, and a fifth lens L5 having positive power, arranged in order from the object side. At least one of the third lens L3 and the fifth lens L5 may be formed of glass having a negative temperature coefficient of refractive index. A focal length of an entire system of the imaging lens is represented by f, the temperature coefficient of refractive index of the at least one of the third lens and the fifth lens formed of glass having a negative temperature coefficient of refractive index is represented by dn/dt, and the following conditions may be satisfied: dn/dt<?0.5 and ?2.90<f/(dn/dt)<?0.65.

Abstract: The present disclosure relates to the field of optical lenses and provides a camera optical lens. The camera optical lens includes, from an object side to an image side: a first lens having a positive refractive power; a second lens having a positive refractive power; a third lens having a positive refractive power; a fourth lens; a fifth lens; and a sixth lens. The camera optical lens satisfies following conditions: 5.00?f2/f3?8.00; and 1.00?d3/d5?5.00. The camera optical lens can achieve a high imaging performance while obtaining a low TTL.

Abstract: The present disclosure relates to the field of optical lenses and provides a camera optical lens. The camera optical lens includes, from an object side to an image side: a first lens; a second lens having a positive refractive power; a third lens having a positive refractive power; a fourth lens; a fifth lens; and a sixth lens. The camera optical lens satisfies following conditions: 2.00?f1/f?7.50; and ?20.00?R11/d11??10.00. The camera optical lens can achieve a high imaging performance while obtaining a low TTL.

Abstract: There is provided an imaging lens with excellent optical characteristics which satisfies demand of the wide field of view, the low-profileness and the low F-number. An imaging lens comprises, in order from an object side to an image side, a first lens having a convex surface facing the object side and positive refractive power near an optical axis, a second lens having negative refractive power near the optical axis, a third lens having aspheric surfaces on both sides, a fourth lens, and a fifth lens having a concave surface facing the image side and the negative refractive power near the optical axis, wherein an image-side surface of said fifth lens is formed as an aspheric surface having at least one pole point in a position off the optical axis, and predetermined conditional expressions are satisfied.

Abstract: The present invention provides a camera optical lens including, sequentially from an object side to an image side: a first lens having a positive refractive power; a second lens having a negative refractive power; a third lens having a negative refractive power; a fourth lens having a positive refractive power; a fifth lens having a negative refractive power; a sixth lens having a positive refractive power; and a seventh lens having a negative refractive power. The camera optical lens satisfies following conditions: 70.00?v4/d7?90.00; ?30.00?(R9+R10)/(R13+R14)??15.00; and ?20.00?R13/d13??7.00. The camera optical lens can achieve high optical performance while satisfying design requirements for ultra-thin, wide-angle lenses having large apertures.

Abstract: The present disclosure relates to the field of optical lenses and provides a camera optical lens. The camera optical lens includes, from an object side to an image side: a first lens; a second lens having a positive refractive power; a third lens having a positive refractive power; a fourth lens; a fifth lens; and a sixth lens. The camera optical lens satisfies following conditions: 1.40?f1/f2?5.00; and 2.50?R3/R4?6.00. The camera optical lens can achieve a high imaging performance while obtaining a low TTL.

Abstract: A lens including a filter, an aperture stop, and a lens set sequentially arranged along a first direction is provided. The filter includes a central region and a peripheral region. The central region has a first light transmission band for a wavelength range of a visible light and a second light transmission band for a wavelength range of an infrared light. The peripheral region surrounds the central region. The peripheral region has a third light transmission band for the wavelength range of the infrared light and is substantially opaque to the visible light, and an area of one portion of the central region surrounded by the peripheral region is tapered toward the first direction.

Abstract: The present disclosure relates to the field of optical lenses and provides a camera optical lens. The camera optical lens includes, from an object side to an image side: a first lens; a second lens having a positive refractive power; a third lens having a positive refractive power; a fourth lens; a fifth lens; and a sixth lens. The camera optical lens satisfies following conditions: 2.00?f1/f?3.00; and 4.00?R11/d11?12.00. The camera optical lens can achieve a high imaging performance while obtaining a low TTL.

Abstract: An optical apparatus for a near-eye display includes a microdisplay to emit image light and one or more field lenses positioned to receive the image light from the microdisplay. The one or more field lenses have a combined optical power to form a curved intermediate image. A freeform combiner, having an eyeward side and an external side, is positioned to receive the image light from the one or more field lenses and reflect the image light. A curved intermediate image is formed between the freeform combiner and the one or more field lenses.

Abstract: A vehicle-mounted wide-angle lens that simultaneously achieves a high resolution necessary for sensing, a size small enough to be mounted on a vehicle, and a low price. An imaging lens includes, sequentially from the object side, a first lens having a negative power and being concave on the image side, a second lens having a negative power and being concave on the image side, a third lens having a positive power and being convex on the object side, an aperture stop, a fourth lens having a positive power and being convex on the image side, a fifth lens, a sixth lens whose object side is bonded to the image side of the fifth lens and a seventh lens having a negative power and being convex on the image side, and the fourth lens is an aspheric glass lens.

Abstract: An optical lens, in order from an object side to an image-forming side, includes: 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, respectively having negative, negative, positive, positive, negative, positive, positive and negative refractive power. The curvature radius of the object-side surface of the first lens is greater than the curvature radius of the image-side surface of the first lens; the image-side surface of the eighth lens has an effective radius r and a vertex point, H is a distance between the vertex point and the optical axis, the image-side surface of the eighth lens intersects with the optical axis at an intersection point, d is a distance between a projected position of the vertex point on the optical axis and the intersection point, and |r/d|?30 and/or |r/H|?2.

Abstract: An optical imaging system includes 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, sequentially arranged from an object side optical imaging system, and a refractive index of at least one of the lenses is 1.67 or greater.

Abstract: An embodiment of the present disclosure provides an optical imaging lens assembly, which sequentially includes, from an object side to an image side along an optical axis, a first lens, a second lens, a third lens, a fourth lens and a fifth lens with refractive power. The first lens has a positive refractive power, the fourth lens has a positive refractive power, and the fifth lens has a negative refractive power. An abbe number V1 of the first lens and an abbe number V2 of the second lens satisfy the following relationship 45<|V1?V2|<70.

Abstract: The present disclosure discloses a camera optical lens including a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens. The camera optical lens further satisfies following conditions: 1.51?f1/f?2.50; 1.70?n5?2.20; 0.00?f3/f4?2.00; 3.00?(R13+R14)/(R13?R14)?10.00; and 1.70?n6?2.20; where f denotes focal length of the optical camera lens; f1 denotes focal length of the first lens; f3 denotes focal length of the third lens; f4 denotes focal length of the fourth lens; n5 denotes refractive index of the fifth lens; n6 denotes refractive index of the sixth lens; R13 denotes curvature radius of an object side surface of the seventh lens; and R14 denotes curvature radius of an image side surface of the seventh lens.

Abstract: The present disclosure relates to the field of optical lenses and provides a camera optical lens. The camera optical lens includes, from an object side to an image side: an aperture; a first lens having a positive 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 negative refractive power; a sixth lens having a positive refractive power; and a seventh lens having a negative refractive power. The camera optical lens satisfies following conditions: 15.00?f3/f; and 2.50?f6/f?5.00, where f denotes a focal length of the camera optical lens; f3 denotes a focal length of the third lens; and f6 denotes a focal length of the sixth lens.

Abstract: The present disclosure relates to optical lens, comprising from an object side to an image side in sequence: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens; the camera optical lens satisfies following conditions: 1.00?f1/f?1.50; 1.70?n4?2.20; ?2.00?f3/f4?2.00; 0.50?(R13+R14)/(R13?R14)?10.00; and 1.70?n7?2.20; where, f denotes a focus length of the camera optical lens; f1, f3 and f4 denote focus lengths of the first lens, the third lens and the fourth length respectively; n4 denotes a refractive index of the fourth lens; n7 denotes a refractive index of the seventh lens; R13 and R14 denote curvature radiuses of an object side surface and an image side surface of the seventh lens, respectively.

Abstract: The present invention provides a camera optical lens including, from an object side to an image side: a first lens having a positive refractive power; a second lens having a negative refractive power; a third lens having a negative refractive power; a fourth lens having a positive refractive power; a fifth lens having a negative refractive power; a sixth lens having a positive refractive power; and a seventh lens having a negative refractive power first to seventh lenses. The camera optical lens satisfies following conditions: 1.00?R7/R5?2.20; ?5.00?R13/R14??1.50; and 3.00?R3/R1?8.00, where R1, R3, R5, R7 and R13 denote curvature radiuses of object side surfaces of the first, second, third, fourth and seventh lenses; and R14 denotes a curvature radius of an image side surface of the seventh lens. The camera optical lens can achieve high optical performance while satisfying design requirements for ultra-thin, wide-angle lenses having large apertures.