Review: Updated: Canon G3 X

Introduction and featuresThe Canon G3 X was announced at the start of this year, although details were few and far between at the time. Its massive zoom range of 24-600mm equivalent appeared to be the stand-out feature at the time, and now that the camera has been officially unveiled the 25x zoom lens still looks to be its USP; rival cameras from Panasonic and Sony have a far more limited focal range, albeit with a faster (wider) aperture at their longer end.The G3 X has the same one-inch 20-meg