IF YOU’RE SHOPPING for a megazoom camera, the $400 Canon PowerShot SX20 IS should be near the top of your list. It has a massive 20X-optical-zoom lens, a 12.1-megapixel sensor, 720p HD video shooting, ISO equivalency settings up to 3200, and a flip-out LCD.
The 20X zoom ranges from a slightly wide-angle 28mm to a deep 560mm telephoto. You also get a complete set of exposure options, including full auto, program mode, aperture priority, shutter priority, manual, and more than a dozen scene modes.
For video, it has a dedicated record button. You can trim the video’s start and end points in-camera, and the included HDMI port lets you play the video on a TV.
In PCWorld Labs tests, it earned a score of Superior, showing excellence in overall image…