| 摘要 |
A device is provided for precisely positioning a light source in the optical system of a projector or the like, especially relative to a condenser system and a reflecting mirror. It consists of two position adjustment members, one being adjustable along two coordinate axes and the other being adjustable along the third coordinate axis. It is extremely compact in size, especially in thickness and is well adapted for miniaturization of a projector or the like. It is also very simple in operation to attain a highly uniform field with high luminance.
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