The PowerShot A550 ($199) is one of the entry-level cameras Canon's A-series. Replacing the PowerShot A530 from last year, the A550 adds a larger LCD (2.0" vs 1.8") and, naturally, more Megapixels. Other features on the camera include a 4X optical zoom lens, point-and-shoot operation, a VGA movie mode, and support for SDHC memory cards. If you're confused about all the A-series models out there, you're not alone. Hopefully the chart below will help clear things up for you..



Link: DCResource