The Sony PMW-150 has a maximum optical sensor size of 1/3". That's 94% more optical sensor size than a 1/5.8" video camera, which is the most common optical sensor size. 4.80 x 3.60mm. The worst optical sensor size of all video cameras that came out more than two years ago is 1/6" and the best is 1/2".
If you want a camcorder with a bigger optical sensor size then you might want to consider the PMW-300[pl_2132091_price] (1/2), the PMWEX3[pl_1584436_price] (1/2), or the PMW-200[pl_1558790_price] (1/2) all from Sony.