Canon has unveiled the successor to its PowerShot SX10 IS digital camera with the introduction of SX20 IS. Unlike its predecessor, the SX20 IS offers more advanced features including a 12.1-megapixel CCD sensor, 20x optical zoom, a 2.5-inch swivel-out LCD display, an HDMI output and records HD video at 1280 x 720 (30fps) with stereo sound. The Canon PowerShot SX20 IS will go on sale in September for $399.
