Images:

gw2-adam-focus-1gw2-adam-focusgw2-adam-focus-2

Set:

Slot Item Name Trading Post Preview Code
Focus http://db.dulfy.net/item/27020 GW2 TP [&AgGMaQAA]

Where to Obtain:

Random drop from mystic forge by combining Level 75+ rare/exotic focuses, from dungeon bosses, chests