通过对现场上最常见灰尘指纹,尤其是微弱灰尘指纹的研究,对其在检验鉴定中的照相工作中的难点问题配光以基本的配光方法为依据进行系统理论的研讨,分析各种配光方法的适用范围和应用条件,使微弱灰尘指纹的拍摄达到最佳的效果,从而使其在刑事科学技术的鉴定检验中,发挥其重要作用。 Through the study of the most common fingerprints of dust in the field, especially the faint dust fingerprint, the author studied the difficult problems of the photographic work in inspection and identification by using the basic light distribution method as a basis to study the system theory, The scope and application conditions of the light method make the shooting of weak dust fingerprint reach the best effect, so that it can play an important role in the appraisal and verification of criminal science and technology.