Quick update, I seem to have answered my own questions but I will put it here anyway in case anyone in the future is digging for the same info I was.
i still welcome anyone to weigh in on this question though.
So it seems the targeting method shown in the above video is only viable for 6x zoom with no mention of a 1.5x zoom method. (source:
http://www.subsim.com/radioroom/showthread.php?t=159346)