Brightness comparisons I could not tell you. The major advantage is you have an illuminated dot that you can quickly get on target with. No searching for crosshairs on a dark bodied animal in early light or last few minutes of legal shooting light. It's like putting a small red dot on a black target, hold steady and squeeze the trigger. Only thing to be careful of is not set the intensity to high as this will cause glare/reflection inside the scope and make seeing the target harder. Tom
