There is disclosed an optical scanning system in which axis alignment in a subscanning direction and adjustment of a spot is easily performed, the spot diameter is variable and a change in efficiency of an optical path due to these changes is small. The optical scanning system comprises two flat plate...http://www.google.fr/patents/US5255115?utm_source=gb-gplus-shareBrevet US5255115 - Optical scanning apparatus and recording apparatus using the same
Optical scanning apparatus and recording apparatus using the same
