Rich you wrote it on this page you tested scopes smokey and hot. You claimed turning up power helped clarify chart on 93 degree day do you now recall. I called the Bushnell unbeatable because you have been bragging your 6500 4.5-30 scope up for about a year now. I stated what you see on a lower power will be brighter at low light then the image seen at a higher power. What I am wanting to say is the Image will appear larger but not as bright. You could see the antler at 131yds on 6x but probably not count the points like you could on 12. however the antlers would appear brighter on 6 then 12. The reason as we all know is that the higher the power the closer the image appears to us. However we would need some very large objective lenses to brighten up the image on15 or what ever high power. To match the brightness on6 and a 50 mil objective. This you have to agree with.