Let me see if I can get a comparison together this weekend on these. I have both sitting in boxes ready to be mounted. 2fp 4.5-14 LRP in Mil and a 3-15 Gen 2 FFP PST. For me they serve 2 different purposes since I prefer the 2fp for hunting rifles and first for comp guns. But it should be a good comparison on brightness and contrast. Tracking may take some time before I get both rifles out to the range.
I have a vx3 LRP 8x25 on my hunting gun I used a night force atacr 8x25 before that. On the same gun they both tracked well on a 1ft square piece of steel and back to zero out to 1200 yards