I know this old don't care I bowhunt from the ground don't need angle composting rangefinder. Eeven when there are hills dont have a problem. I live in Michigan so we don't have mountain's just hills and rolling ground.
I tried to find that Bushnell add to look at it because the numbers don't work. If it is a 44 degree angle from you down to the deer, you have to be nearly as high as the horizontal distance. in this case if the horizontal distance is 23 yards then you'd be 22 yards or 66 feet up in the tree, not 20 feet.
