GF2 might forgivably be perceived as just another mundanely incremental upgrade on what was already a lauded predecessor in the Lumix GF1. But, for once, our pessimism was not borne out by the facts — far from it. With the GF2, Panasonic has somehow managed to shrink its smallest Micro Four Thirds shooter even further, by a reported 19 percent, and the difference in handling is tangible.