Methods and devices for adjusting brightness of a light source

摘要: Various exemplary devices and methods are provided for adjusting brightness of a light source. In general, the can allow source to be adjusted by varying power supply The varied in response user input. one embodiment, included as part scope, e.g., borescope, an endoscope, etc., configured advanced into target gather or more video images and/or still within using camera. illuminate at selected variable amounts brightness. A white balance automatically adjust amount