An image forming apparatus with a light source unit emitting a light beam optically modulated based on image/video information, a scanning unit for scanning the light beam emitted from the light source unit two-dimensionally, an optical system that guides the light beam scanned by the scanning unit to the scanned position, a control unit for controlling operations of the light source unit and the scanning unit in synchronization with each other to form the image on the scanned position, and a light beam dividing unit for dividing the light beam scanned by the scanning unit two-dimensionally into a plurality of light beams and emitting them.

 
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> Device and method for plane-parallel orientation of a the surface of an object to be examined in relation to a focus plane of a lens
~ 00428