This standard specifies vertical directional reflective lighting technology, small deflection angle directional reflective lighting technology, dark field lighting technology, uniform lighting technology, side lighting technology, grazing incidence lighting technology, shadowless lighting technology, side transmitted lighting technology, coaxial The definitions, photography key points and application scope of 9 commonly used light distribution inspection technologies including transmitted illumination technology. This standard applies to forensic science evidence photography.
GA/T 1200-2014 history
2014GA/T 1200-2014 Methods for examination of light distribution of evidence photography in forensic science