The expert light source Dozor Spectr-405 is a professional forensic expert light source with a wavelength of 405 nm.
This flashlight is equipped with a powerful violet light source, a combined lens and focus adjustment. The main purpose of this flashlight is to search for and study biological traces, abrasions and hematomas.
The wavelength of this light source is selected for search and analysis work to identify blood on evidence or at the scene of a crime. The wavelength of 405 nm is well absorbed by blood, thereby creating a contrast on any luminescent background (material).
For visualization of biological traces, yellow glasses-light filters are included with the flashlight.
Unlike ultraviolet light, violet light is harmless and can be used without protective glasses.
The expert light source Dozor Spectr-405L - this modification has the main difference - a condenser lens. This lens allows for a uniform illumination field (no optical aberrations) while maintaining focusing capability.
Application:
search for biological traces (forensic activities);
verification of the authenticity of banknotes and securities;
detection of hidden defects in materials;
quality control of food products and nutrition, etc.;