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ENDOSCOPE DEVICE
专利权人:
OLYMPUS MEDICAL SYSTEMS CORP.
发明人:
SONE, NOBUHIKO
申请号:
EP12853193
公开号:
EP2787383A4
申请日:
2012.11.19
申请国别(地区):
EP
年份:
2015
代理人:
摘要:
To provide excellent illumination over entire range from near view to distant view to achieve clear observation over entire range from near view to distant view. Provided is an endoscope including an imaging optical system 3 provided in insertion portion at a distal end thereof and for observing an object to be observed, and a plurality of illumination optical systems 2a, 2b provided in the insertion portion 1 and for distributing the illuminating light emitted from a light source to the object to be observed, the illumination optical systems being directed in the same direction each other to illuminate the same field of view, wherein at least one of the plurality of illumination optical systems is a first illumination optical system 2a having a convex lens, and at least one of the others is a second illumination optical system 2b having a concave lens.
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