The DMC-LZ20 incorporates a 25-525mm zoom lens (35mm camera equivalent). The Extra Optical Zoom function that extends zoom power to 48.5x (at 3-megapixel resolution) by using the center part of the 16-megapixel high resolution CCD to bring subjects even closer. Not only drawing near the subject distant away with its powerful optical zoom, the 25mm ultra wide angle lens captures approx.196% wider angle of view compared with a standard 35mm camera. It is helpful for shooting dynamic landscape or indoor group portrait.