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明场照明用于检测黑暗环境中是否存在反射部件。反射光进入相机。明场照明的名称源于光滑的反光表面看起来很亮。
暗场照明用于使凹痕和划痕等清晰可见。之所以称为暗场照明,是因为光滑的反光表面看起来很暗。
Bright-field illumination is used to detect the presence of reflective parts in a dark environment. The reflected light enters the camera. The name bright-field illumination comes from the fact that a smooth reflective surface appears bright.
Dark-field illumination is used to make dents and scratches, etc. visible. The name dark-field illumination comes from the fact that a smooth reflective surface appears dark.