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介绍了扫描仪的工作原理和用扫描仪获取低倍照片的操作方法。与用135相机和数码相机获取低倍照片比较,该方法操作更加方便简捷,对实验人员照相技术的要求更低,获取小试样低倍照片更加方便高效,反映材料微细组织结构的能力更强等优点。该方法的缺点是只能拍摄尺寸小于扫描仪面板和表面起伏比较小的试样。
Describes how the scanner works and how to get low magnification pictures with a scanner. Compared with using 135 cameras and digital cameras to obtain low magnification photos, this method is more convenient and simple to operate, requires less photographic technology for experimenters, is more convenient and efficient for acquiring low magnification photos of small samples, and has stronger ability to reflect the fine microstructure of materials Etc. The disadvantage of this method is that it can only take samples of smaller size than the scanner panel and the smaller surface roughness.