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I admit I am way out of my depth of understanding here, but I have a stupid question anyway. What adjustment if any would you have to use if you were using one of those fancy range finders that auto corrects for angle and gives true distance?
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It would give the same answer as useing the cosine for true horrizontal distance and the same aiming error because the bullets time of flight is not calculated as in Shawn's original post..........
range it,check the wind, dial in correction, aim and only one shot