Patent application number | Description | Published |
20130070348 | IMAGE PICKUP LENS FOR SOLID-STATE IMAGE PICKUP ELEMENT - An image pickup lens for a solid-state image pickup element includes a first lens having a positive refractive power with a convex surface facing the object side, a second lens with concave surfaces facing the object side and an image side, a third lens of a meniscus shape having a positive refractive power with a convex surface facing the image side, and a fourth lens with concave surfaces facing the object side and the image side, wherein the image pickup lens satisfies the following conditional expressions (1),(2),(5), and (7); | 03-21-2013 |
20130135754 | IMAGE PICKUP LENS FOR SOLID-STATE IMAGE PICKUP ELEMENT - An image pickup lens includes a first lens having a positive refractive power with a convex surface facing the object side, a second lens having a negative refractive power with a concave surface facing an image side, a third lens of a meniscus shape having a convex surface facing the object side, a fourth lens of a meniscus shape having a positive refractive power with a convex surface facing the image side, and a fifth lens having a negative refractive power with a concave surface facing the image side, wherein the both surfaces of the fifth lens have an aspherical shape, and the curvature radius of the fourth lens satisfies conditional expression (13) below: | 05-30-2013 |
20130135755 | IMAGE PICKUP LENS FOR SOLID-STATE IMAGE PICKUP ELEMENT - An image pickup lens includes a first lens having a positive refractive power with a convex surface facing the object side, a second lens having a negative refractive power with a concave surface facing an image side, a third lens having a negative refractive power with both surfaces formed from aspheric surface, a fourth lens of a meniscus shape having a positive refractive power with a convex surface facing the image side, and a fifth lens of a meniscus shape having a negative refractive power with a concave surface facing the image side, wherein the curvature radius of the fourth lens satisfies conditional expression (13) below: | 05-30-2013 |
20130135756 | IMAGE PICKUP LENS FOR SOLID-STATE IMAGE PICKUP ELEMENT - Disclosed is a low-cost, compact image pickup lens for a solid-state image pickup element. The image pickup lens includes, in the order from an object side, a first lens L | 05-30-2013 |
20130170051 | IMAGING LENS - An imaging lens includes a first lens having positive refractive power; a second lens having negative refractive power; and a third lens having positive refractive power, arranged in this order from an object side to an image plane side. Further, the first lens is formed in a shape so that a curvature radius of a surface thereof on the object side is positive. The second lens is formed in a shape so that a curvature radius of a surface thereof on the object side is negative and a curvature radius of a surface thereof on the image plane side is positive. The third lens is formed in a shape so that a curvature radius of a surface thereof on the object side and a curvature radius of a surface thereof on the image plane side are both positive. | 07-04-2013 |
20130182339 | IMAGE PICKUP LENS - A wide-angle image pickup lens having small F-value, high resolution, and small distortion is provided. The image pickup lens is configured from, in order from an object side to an image side, a first lens having a positive refractive power with a concave surface facing the object side, an aperture stop, a second lens having a negative refractive power with a concave surface facing the image side, a third lens having a positive refractive power, a fourth lens having a positive refractive power with a concave surface facing the object side, and a fifth lens having a negative refractive power with a concave surface facing the image side. | 07-18-2013 |
20130188264 | IMAGE PICKUP LENS - An image pickup lens having a relatively wide angle of field with various aberrations preferably corrected and having a small F-value is achieved. The image pickup lens is composed of, in order from an object side, an aperture stop, a first lens of a biconvex shape having a refractive power, a second lens of a meniscus shape having a negative refractive power with a concave surface facing the object side near the optical axis, a third lens of a meniscus shape having a positive refractive power with a concave surface facing the object side near the optical axis, and a fourth lens of a biconcave shape having a negative refractive power near the optical axis, wherein the image pickup lens satisfies a following conditional expression (1): | 07-25-2013 |