Excerpt: Review Canon Powershot S120 Digital Camera You could wonder at my bravado in reviewing this tiddler when all it seems to offer is a digicam with moderate specs and little else. Aah! But look further! Its story begins with Canon’s well-tried DIGIC 6 processor, along with a relatively large CMOS sensor. The maximum aperture is a generous, optically stabilized f/1.8, which does, quickly fall to f4 once you start zooming.