Snap, the tighter you focus it, the brighter the visible dot is in your scope. But then again the tighter your focus it, the smaller the visible circle in your scope becomes, and that's why it doesn't suit me. I have read a lot of people absolutely raving about them, but when it doesn't suit my ground well it's no use to me. A lot of the places I shoot are just too cluttered with humps and hollows, furze, walls, boulders, etc. It would be too hard for me to re-find a fox I think. So I didn't do any further testing with it as I don't want to educate any foxes with a lot of fúckacting. However,