| 发明名称 |
REAR CONVERTER |
| 摘要 |
There is provided rear converter including a first lens that is a negative lens of which both surfaces are concave, a second lens that is a negative lens of which both an image plane side and an object side are convex toward an object side, and a third lens that is a positive lens of which both sides are convex. The first to third lenses are disposed in this order from the object side, and the rear converter is inserted and used between an imaging lens and a camera. |
| 申请公布号 |
US2015248050(A1) |
申请公布日期 |
2015.09.03 |
| 申请号 |
US201514627173 |
申请日期 |
2015.02.20 |
| 申请人 |
SONY CORPORATION |
发明人 |
NAKAMURA AKIRA |
| 分类号 |
G03B17/56;G02B15/10;G03B13/32 |
主分类号 |
G03B17/56 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A rear converter comprising:
a first lens that is a negative lens of which both surfaces are concave; a second lens that is a negative lens of which both an image plane side and an object side are convex toward an object side; and a third lens that is a positive lens of which both sides are convex, wherein the first to third lenses are disposed in this order from the object side, and the rear converter is inserted and used between an imaging lens and a camera. |
| 地址 |
TOKYO JP |
