AGM RATTLER V2 TS19-256 Thermal SightDESCRIPTION The RattlerV2 19 256, an improved version of the Rattler TS19 256, is an awesome option for close range night hunts, beginners getting into thermal hunting, or to use as a buddy scope. It features a 19mm Germanium lens, a 256x192 resolution thermal sensor, and a 2. 5x base magnification with a detection range of up to 950 yards. Its wide Field of View (9. 3 6. 9 or 49 feet at 100 yards) allows for extensive area coverage during scanning.