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chu suo zhao xiang zhong tu ban chi cun yu pai she ju li de ji suan
Author(s): 
Pages: 9-12
Year: Issue:  2
Journal: Optical Technique

Keyword:  初缩拍摄距离照相机放大倍率图板光学零件鉴别率相对孔径镜头焦距尺寸;
Abstract: <正> 用照相方法制取光学零件的基本原理是,将欲制造的光学零件按其精度要求,以一定的放大倍率在图板上绘制零件的放大图形。再用照相机把它按一定的比例拍摄下来。一般,这种照相分两次进行,即初缩照相和精缩照相,从而达到提高零件精度的目
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