Dark-Field Illumination
EVT Eye Vision Technology GmbHRequest Info
The EyeLight LLA series of dark-field illumination from EVT Eye Vision Technology GmbH is available as an RGB model or in the individual colors of red, green, blue or white.
The dark-field ring lights are available in different inner and outer diameters. The inner diameters vary from 40 to 136 mm and the outer-diameters vary from 74 mm to 174 mm. The LLA series is compact with 20 mm of body height. It works best with working distances ranging from 5 to 10 mm. Diffusion filters and polarization filters are also available.
The rays of the dark-field illumination are refracted from the object. Therefore not all light rays reach the camera lens directly. Typical applications for dark-field illuminations are edge detection and the inspection of embossed imprints or errors such as scratches on metal or other shiny surfaces.
http://www.evt-web.com
/Buyers_Guide/EVT_Eye_Vision_Technology_GmbH/c20071
Published: May 2017
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