| 发明名称 |
OPTICAL LENS |
| 摘要 |
An embodiment of this disclosure provides an optical lens, which includes, in order from an object side to an image-forming side, a first lens with negative refraction power; a second lens with negative refraction power; a third lens with positive refraction power; a fourth lens with positive refraction power; and a fifth lens with negative refraction power; wherein the second lens has an Abbe number vd2, the fifth lens has a refractive index nd5, and 20≦vd2≦30 and nd5≧1.9. |
| 申请公布号 |
US2016062078(A1) |
申请公布日期 |
2016.03.03 |
| 申请号 |
US201514818947 |
申请日期 |
2015.08.05 |
| 申请人 |
ABILITY ENTERPRISE CO., LTD. |
发明人 |
HUANG Huai-Yi |
| 分类号 |
G02B9/60;G02B13/18 |
主分类号 |
G02B9/60 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An optical lens, in order from an object side to an image-forming side, comprising: a first lens with negative refraction power, a second lens with negative refraction power, a third lens with positive refraction power, a fourth lens with positive refraction power and a fifth lens with negative refraction power, wherein the second lens has an Abbe number vd2, the fifth lens has a refractive index nd5, and 20≦vd2≦30 and nd5≧1.9. |
| 地址 |
New Taipei City TW |
