Unique advantage of the doctorseyes system:The light is in difference to a conventional flashlight constantly available, as well if you zoom in on something or do your adjustments.
So, not only the sharpening is faster and more precise, also disrupting reflections can be recognized before you take the shot and can be prevented by changing slightly the camera angle.
The camera at the same time detects the light through the lens like it would be a common daylight shot.
You don't have to regulate special time or f-number and you can rely on your camera's automatic. That way the doctorseyes system can make closeup views, which until now had been only possible with a lot of work or expert knowledge.