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>> Hi, I'm Will Greenwald, assistant editor of CNET.com and this is our look at the Cannon Power Shot A630 and A640. These high resolution shooters offer a lot of manual control while still being a lot cheaper and a lot smaller and a lot less complicated than say a digital SLR camera. The only major difference between these two cameras is that the Power Shot A630 is 8 mega pixels and the A640 is 10 mega pixels. Basically just depends if you want to spend a little bit more on a little higher resolution. These cameras both have full PASM shooting modes. That's program mode, manual mode, aperture priority and shutter priority. These four modes provide a lot of options if you want to get into more advanced photography then your advantage point and shoot camera will allow. The A630 and 640 both have 4x optical zoom lens, but you don't have to just settle on the 4x. You can purchase additional accessory lenses for between 100 and 200 dollars. These can boost your zoom or give you a wider panoramic shot. They also come with these nice flip out screens, which basically let you shot at different angles. So if you want to catch a shot over a crowd or shoot from your chest, you can turn the screen and frame it like that. Now like most Cannon digital cameras, these two have problems shooting in low light. Because they don't have any real image stabilization in the lens, you're only real option is to bump up the ISO sensitivity. Now this can improve the exposure of your images in lower lights, but it also makes them very noisy. Otherwise, these are very good cameras to get you started with more advanced photography techniques while not investing quite as much money as you would in an SLR or a more advanced camera. I'm Will Greenwald and these are the Cannon Power Shot A630 and A640 digital cameras.
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