Objective lens for endoscope and endoscope
- 专利权人:
- Hitoshi Miyano
- 发明人:
- Hitoshi Miyano
- 申请号：
- US12788734
- 公开号：
- US08164834B2
- 申请日:
- 2010.05.27
- 申请国别(地区):
- US
- 年份:
- 2012
- 代理人:
- 摘要：
- In an objective lens for an endoscope, the full angle of view exceeds 120 degrees, and a most-object-side surface of the objective lens is spherical. Further, the following condition formulas (1) and (2) are satisfied:0.7<θ8/θ10<0.8 (1) and5
- 来源网站：
- 中国工程科技知识中心
