| 摘要 |
The present invention relates to an optical element fixing device, and particularly to a prism mounting device for an optical device using light beam which passes through a prism or lens, a lens fixing device for aligning and fixing the center of a lens with a prescribed optical axis, and a device for fixing a reflecting mirror of an optical device. The invention can easily and securely position the prism to be press-contacted to the lens within a case, in which changes in the magnitude of press-contacting with the passage of time is very small. And, the lens can be securely fixed with its center accurately aligned with a prescribed optical axis. Besides, the reflecting mirror is fixed by a simple structure and a contact between the reflecting mirror and a plate spring is not limited to one point.
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