Request InfoOptikos CorporationOptikos Corp. has released the VLS-100, a variable, controllable source of uniform, visible illumination for testing cameras, image intensifiers, and visible to near-infrared night vision devices. It is used with I-Site software or as a stand-alone computer-controlled device. It features a 50-mm-diameter aperture with <2% luminance nonuniformity. Brightness is continuously adjustable over a dynamic range of 106 that is computer-controlled to within 3% of its set value. The source includes an automated variable attenuator and aperture wheel with high-resolution stepper motors. 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