[T3_1565]

it may be from the angle at which it is seeing the light, when we started testing it on our laptop and you do that test in which it shows you a blue box of what it is tracking as green light. depending on the angle that box gets bigger and smaller try hooking your camera up for bench testing and postion it at the point your having problems and use the program to see what the camera is seeing ( if thats confusing in any way I'm sorry, I'm not the programmer so not sure what to call the programs)