Alternate Light Source Fingerprint

Leds are lowest in price but also lowest in power and they lack versatility.

Alternate light source fingerprint.

They are available in various colors. When light reflects off a rough surface we refer to it as diffused reflection. Red green orange pink yellow gold blue are the most common. Available in several styles with or without removable heads rechargeable and battery operated.

Seminal fluid saliva and urine stains. Uv alternate light sources can reveal the following. But when viewed under a green light and observed through an orange filter the prints can easily be seen. Attestor forensics us inc is passionate about helping you solve crime through innovative and high quality forensic equipment premium forensic laboratory and crime scene equipment including fingerprint development chambers cyanoacrylate fuming systems downflow forensic workstations and alternate light sources.

Physiological fluids semen urine and saliva can be identified through their natural fluorescent properties utilizing uv light. Fluorescent powders are used widely as the primary method of fingerprint treatment at crime scenes when using a forensic or alternate light source. Based alternate light source designed specifically for use in forensic applications. If we are fortunate enough that the print is on a smooth surface we start by holding the light source at a 45 degree angle.

When light reflects off a smooth surface we refer to this as specular reflection. Shop our extensive line of handheld forensic alternate light sources. Also certain narcotics will fluoresce as will bone and teeth fragments. One use for alternate light sources is the examination of a weapon such as a gun or knife.

Finger and palm prints are nearly invisible on such metal surfaces when examined under room light. Alternate light sources alternate light sources are typically used in crime scene investigation to identify many forms of evidence. Of all the classes of alternate light sources. All examples below are using the crimescope cs 16 500w.

Although blood does not fluoresce certain other physiological fluids will. Forensic light sources are high power. Let s go back to the example of the bloody fingerprint.