| 摘要 |
PROBLEM TO BE SOLVED: To provide an endoscope provided with an imaging unit having the structure of good assemblability by eliminating a bad condition caused by the influence of high temperature in high-pressure steam sterilization. SOLUTION: In the imaging unit 10 provided with an imaging device frame 15 having a device cover glass 24 and a base end side lens 25 arranged at its one end part, the glass 24 is connected airtight to one end part of the frame 15 and the lens 25 adjacent to this glass 24 is arranged within the frame 15 through a lens centering member 26 forming a prescribed gap between the lens 25 and the glass 24.
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