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Objective Lens for an Endoscope
专利权人:
avateramedical GmbH
发明人:
Ali Khettal,Fabian Weise
申请号:
US16008795
公开号:
US20180360298A1
申请日:
2018.06.14
申请国别(地区):
US
年份:
2018
代理人:
摘要:
An objective lens for an endoscope has an object-side lens element including a plane-convex rod lens and an image-side lens element including a biconvex lens arranged at the image-side end of the objective lens. The object-side lens element includes a plane-convex first lens and a biconcave second lens which form a front lens and are arranged in this order on the object side of the plane-convex rod lens forming a third lens. As viewed from the object side, the image-side lens element includes a biconvex fourth lens, a concave-plane fifth lens and a biconcave sixth lens which are arranged in this order on the object side of the biconvex lens that is arranged at the image-side end of the objective lens and forms a seventh lens.
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