照相机的胶片平面位置与测距精度试验方法郑骅铃，孙晶璋一、照相机的胶片平面正确装在照相机中的胶片，被夹在压片板和上下胶片导轨之间，由于胶片有弯向乳剂面的倾向，而使胶片从画幅框中央起的大部分面积贴向压片板。带有齿孔的上下边缘靠向上下胶片导轨。压片板的位置... Camera Film Plane Location and Ranging Accuracy Test Method Zheng Hua Ling, Sun Jingzhang A camera film plane Properly installed in the camera film, is sandwiched between the platen and the upper and lower film guide, the film has a tendency to bend toward the emulsion surface , Leaving the film from the center of the frame most of the area toward the tablet. Upper and lower edges with perforations against the upper and lower film guides. Tablet position ...