The PowerShot SD790 IS is another notch in the belt for Canon's Digital ELPH line. This camera's slick design, speedy response time, and myriad features (including image stabilization and motion detection) make it one of the top in its class. Most important, the 10-megapixel sensor (paired with a 3X optical zoom) produces fantastic photos.
The SD790 introduces a new spin on the Digital ELPH's control system with a reinvented control wheel. Previous models had touch-sensitive wheels, too—this one's so sensitive that it'll probably take some getting used to—but the one on the SD790 physically moves. After a few shots it proves very effective, helping you quickly navigate menus and access settings such as scene modes, ISO, and flash.
Adding to the 6-ounce camera's sleek feel is the fact that none of the controls protrude from the surface except the shutter button. The playback, print, display, and menu buttons are flat on the body of the camera, and yet are easy to press. They're also easy to reach with your right thumb, just to the side of the 3-inch LCD. And the zoom is conveniently located as a toggle around the shutter button.
The LCD, meanwhile, is all that you could ask for. Translating scenes in accurate and clear detail, it makes framing shots easy. That said, it would be nice to have an optical viewfinder, if just for backup or to extend battery life.
But the real draw is the camera's image quality. In daylight, shots are crisp and clear. We took a photo of a bed of tulips on a cloudy day, and it came out bright and colorful. There tends to be a bit of shadowing when using the flash, but nothing too bothersome or unexpected. At lower ISO settings, images are near-perfect. And in darker settings at ISO of up to 800, pictures are still in the clear. Problems crop up only around ISO 1600, with noise and blurriness marring most images. Image quality in movie mode was more than adequate. The SD790 also allows you to zoom in and out while shooting, with little noticeable blur.
The motion-detection technology and image stabilizer are also very impressive. When taking photos of passing cars on a street in bright sunlight, images came out surprisingly clear. And the camera's face-detection feature automatically sets the focus, exposure, flash, and white balance of a scene. Canon has also added a nifty feature that lets the automatic white balance focus on a subject's face, rather than the background, helping with skin tone and color.
As for settings, the SD790 is extremely versatile, offering 19 shooting modes and 12 special scene modes. The camera's also speedy. Startup lag time is almost nonexistent, coming in at less than a second. Shutter lag time is also very respectable, at 1.4 seconds, and shot-to-shot time is 3.7 seconds.
With its exceptional design, speedy response, and high-quality image production, the SD790 is worth every penny.
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