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US08582218B2 Endoscope for oblique viewing 有权
内窥镜倾斜观察

Endoscope for oblique viewing
摘要:
An endoscope for oblique viewing including an image pickup device, a front lens group having a positive refractive power, a prism disposed on the CCD side of the front lens group, and a rear lens group disposed on the CCD side of the prism and having a positive refractive power.
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