Light blocking sheet, optical lens set, imaging lens assembly and electronic device
US-2019154887-A1 · May 23, 2019 · US
Imaging lens and imaging device
US8964096B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8964096-B2 |
| Application number | US-201313962036-A |
| Country | US |
| Kind code | B2 |
| Filing date | Aug 8, 2013 |
| Priority date | Oct 2, 2012 |
| Publication date | Feb 24, 2015 |
| Grant date | Feb 24, 2015 |
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Abstract
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An imaging lens satisfies the following conditional expression (1) and is configured by disposing a first lens group that has a positive refractive power, an aperture stop, and a second lens group that has a positive refractive power in order from an object side to an image side. The first and second lens groups are moved from the image side to the object side in a state in which a gap between the lens groups is constant on an optical axis when a subject distance changes from infinity to approach, and the second lens group is configured by at least two negative lenses and at least three positive lenses. 0.01< f 2/ f 1<0.23 (1) where, f1: focal length of the first lens group when focused on an object at infinity f2: focal length of the second lens group when focused on an object at infinity.
First claim
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What is claimed is: 1. An imaging lens that satisfies the following conditional expression (1) and is configured by disposing a first lens group that has a positive refractive power, an aperture stop, and a second lens group that has a positive refractive power in order from an object side to an image side, wherein the first lens group and the second lens group are moved from the image side to the object side in a state in which a gap between the lens groups is constant on an opti…
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- What does patent US8964096B2 cover?
- An imaging lens satisfies the following conditional expression (1) and is configured by disposing a first lens group that has a positive refractive power, an aperture stop, and a second lens group that has a positive refractive power in order from an object side to an image side. The first and second lens groups are moved from the image side to the object side in a state in which a gap between …
- Who is the assignee on this patent?
- Sony Corp
- What technology area does this patent fall under?
- Primary CPC classification G02B9/08. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Feb 24 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).