I wasn't particularly clear here; but I'm not actually wrong. The reason, for example, that the 45 degree filter leaves 1/(2^.5) ~= .7 It's just the trigonome

I wasn't particularly clear here; but I'm not actually wrong. The reason, for example, that the 45 degree filter leaves 1/(2^.5) ~= .7 It's just the trigonometric break down of the right-angle isosceles.