Scientific instruments for use in forensics and surface examinations, for use in forensic laboratories and for use on location at a crime site, namely, reflective ultra violet imagers and reflective ultra violet imager systems comprising an ultra violet transmitive objective lens, an ultra violet intensifier tube, an eyepiece and one or more of the following--video cameras, digital cameras, 35 MM cameras, cameras with ultra violet optics, video display monitors, personal computer interfaces, ...