Patent ID: 6239904
Filing Date: 2001-05-29
Classification: G02B

Abstract:
A forensic microscope, for examination of writing, comprising:a single-channel microscope with stereo viewing by clocked mutual change of illumination angle in front of at least one of a microscope objective and an angle of observation following said microscope objective, by fluorescence excitation in a range of approximately 340 nm to 360 nm and between 400 nm and approximately 590 nm;beam splitters being provided for combining illumination and observation;means being provided for exchanging beam splitters for combining illumination and observation;a first exchangeable beam splitter being provided for stereoscopic viewing;a second beam splitter being provided on an exchangeable reflector slide for fluorescence excitation in the range of 340-360 nm and;a third beam splitter provided on the exchangeable reflector slide for fluorescence excitation in the range of 400-590 nm.