Image-capturing lens, image-capturing device and image capturing unit
AssigneeKonica Corporation
InventorSusumu Yamaguchi
Life of this patent
Estimating the term…
Abstract
An image capturing lens to capture an image of an object is provided with an aperture diaphragm having an aperture through which an image is captured; a first lens having a positive refracting power, wherein both surfaces of the first lens are shaped in a convex form; a second lens having a negative refracting power, wherein an object-side surface of the second lens is shaped a convex form; and a third lens which is a meniscus lens whose convex surface faces toward the object side; wherein the aperture diaphragm, the firs lens, the second lens and the third lens are aligned in this order from the object side.
Claims16
An image capturing lens to capture an image of an object, comprising:
- an aperture diaphragm having an aperture through which an image is captured;
- a first lens having a positive refracting power, wherein both surfaces of the first lens are shaped in a convex form;
- a second lens having a negative refracting power, wherein an object-side surface of the second lens is shaped a concave form;
- and
- a third lens which is a meniscus lens whose convex surface faces toward the object side;
- wherein the aperture diaphragm, the firs lens, the second lens and the third lens are aligned in this order from the object side.
A portable terminal device provided with the image capturing unit described in claimed 15.
Dependencies are inferred from the claim text.