An imaging lens includes a first lens having positive refractive power; a second lens having negative refractive power; a third lens having negative refractive power; a fourth lens having negative refractive power; a fifth lens; a sixth lens; a seventh lens; an eighth lens; and a ninth lens having negative refractive power, arranged in this order from an object side to an image plane side. The ninth lens is formed in a shape so that a surface thereof on the image plane side has an aspherical shape having an inflection point.

A wide-angle lens assembly includes a first lens group with negative refractive power, a second lens group with negative refractive power, a third lens group with positive refractive power, a fourth lens group with positive refractive power and a fifth lens group with positive refractive power. The first lens group includes a first lens, the second lens group includes a second lens, and the third lens group includes a third lens. The wide-angle lens assembly satisfies: 0.5<|f.sub.LG.sub.4/f.sub.LG.sub.5|<1.8, where f.sub.LG.sub.4 is an effective focal length of the fourth lens group, and f.sub.LG is an effective focal length of the fifth lens group.

An optical image lens used in narrow field of view and having compact size and low distortion characteristics is disclosed to include, from an object side to an image side along an optical axis, a first lens with positive refractive power, a second lens and a third lens glued as a doublet with negative refractive power, a fourth lens and a fifth lens glued as a doublet with positive refractive power, a sixth lens with positive refractive power, a seventh lens with positive refractive power, and an eighth lens with negative refractive power.

An imaging apparatus and a method for producing the same are provided. The imaging apparatus includes a display panel, including a first face and a second face arranged opposite to each other; an imaging device on the second face of the display panel; and an optical assembly in an optical path where ambient lights pass through the first face and the second face in sequence and enter the imaging device, the optical assembly being configured to refract at least part of the ambient lights so that the refracted lights bypass shielding members in the display panel and are incident on the imaging device.

An imaging lens includes a first lens having positive refractive power; a second lens having negative refractive power; a third lens having negative refractive power; a fourth lens having negative refractive power; a fifth lens; a sixth lens; a seventh lens; an eighth lens; and a ninth lens having negative refractive power, arranged in this order from an object side to an image plane side. The ninth lens is formed in a shape so that a surface thereof on the image plane side has an aspherical shape having an inflection point.

The present invention discloses a micro-objective lens, comprising the first lens group, the second lens group, the third lens group, the fourth lens group, the fifth lens group, the sixth lens group, the seventh lens group, the eighth lens group, the ninth lens group and the tenth lens group with optical axis arranged in a sequence from the left to the right; the focal length of the first lens group is negative; the second lens group belongs to doublet, in which the focal length of the first and second lens is positive and negative respectively; the focal length of the third lens group is positive; the fourth and fifth lens groups belongs to doublets, in which the focal length of the first and second lens in each group is negative and positive respectively; the focal length of the sixth lens group is positive; the focal length of the seventh and eighth lens groups is negative; the focal length of the ninth and tenth lens groups is positive. The present invention also discloses a high-resolution broadband imaging system with aforesaid micro-objective lens.

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.

According to an embodiment, a projection optical system for an image projection device, that includes a plurality of lenses. The projection optical system satisfies conditional expression (1): where fw is a focal length of a lens having the weakest refractive power in the lenses and f is a focal length of the whole projection optical system.

[00001]$\begin{array}{cc}0.01.Math.\frac{f}{f_w}.Math.<0.34& \left(1\right)\end{array}$

A lens structure formed by materials in different refractive indexes includes a sphere which is a round ball formed by a first portion and a second portion, a first lens which is formed on the first portion, a separation layer which is disposed between the sphere and the first lens, a second lens which is formed on the second portion, and a third lens which is formed on the second lens and opposite to the sphere. The first lens, the second lens and the third lens are formed respectively by a material in different refractive index and are provided respectively with a light absorption curve in different curvature, so that a light beam can pass through these light absorption curves to form plural times of light condensing effect.

An imaging lens includes a first lens having positive refractive power; a second lens having negative refractive power; a third lens having negative refractive power; a fourth lens having positive refractive power; a fifth lens; a sixth lens; a seventh lens; an eighth lens; and a ninth lens having negative refractive power, arranged in this order from an object side to an image plane side. The ninth lens is formed in a shape so that a surface thereof on the image plane side has an aspherical shape having an inflection point.