Lens module and image apzoom lens
US-2015323769-A1 · Nov 12, 2015 · US
Zoom lens and image capturing apparatus
US8934046B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8934046-B2 |
| Application number | US-201313949771-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 24, 2013 |
| Priority date | Sep 27, 2012 |
| Publication date | Jan 13, 2015 |
| Grant date | Jan 13, 2015 |
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Abstract
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There is provided a zoom lens including a first focus lens group having negative refractive power and moving in orientation to an image side along an optical axis in focusing from a long distance to a short distance, and a second focus lens group having positive refractive power, the second focus lens group being arranged on a closer side to an image relative to the first focus lens group and moving along the optical axis in focusing. The first and second focus lens groups move in association with each other.
First claim
Opening claim text (preview).
What is claimed is: 1. A zoom lens comprising: a first focus lens group having negative refractive power and moving in orientation to an image side along an optical axis in focusing from a long distance to a short distance; and a second focus lens group having positive refractive power, the second focus lens group being arranged on a closer side to an image relative to the first focus lens group and moving along the optical axis in focusing, wherein the first and second focus…
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Electricity · mapped topic
- G02B15/144113Primary
Physics · mapped topic
Physics · mapped topic
Electricity · mapped topic
- G02B15/14Primary
Physics · mapped topic
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- What does patent US8934046B2 cover?
- There is provided a zoom lens including a first focus lens group having negative refractive power and moving in orientation to an image side along an optical axis in focusing from a long distance to a short distance, and a second focus lens group having positive refractive power, the second focus lens group being arranged on a closer side to an image relative to the first focus lens group and m…
- Who is the assignee on this patent?
- Sony Corp
- What technology area does this patent fall under?
- Primary CPC classification G02B15/144113. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Jan 13 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).