- 1). Open a new tab in your Web browser and go to the first link in the Resources section. This will take you to a page on the DP Review site where there is a side-by-side comparison of the key features of the Canon A630 and the later Canon A720.
- 2). Scroll down the page to the yellow "Max Resolution" heading on the left side of the page and you will see that both cameras have a maximum resolution of 3264x2448 pixels. Continue to scroll down until you reach "Effective Mega Pixels" and you will see that both cameras use an identical 8 megapixels.
- 3). Scroll to the "ISO Settings" heading, revealing a divergence between the specifications of the cameras. The A630 is only capable of a maximum ISO sensitivity of 800, whereas the newer A720 manages a maximum of 1600, making it a more effective nighttime camera. Scroll down to the "Image Stabilization" heading, revealing that the A630 has no stabilization feature but the A720 does. This will make fewer of the images taken with the A720 appear out of focus.
- 4). Scroll down to the "Aperture Range" heading to view another key digital camera feature that is the Aperture Range. The A630 is capable of an aperture range of F2.8 to F4.1, whereas the A720 has a slightly wider range at F2.8 to F4.8, again making it more suitable for low-light and nighttime shooting. Scroll down to the yellow "Battery" heading, where you can see that the A630 requires twice the number of AA batteries at four batteries to the A720's two, demonstrating greater battery life efficiency over the previous model.
- 5). Opening the second and third links in the Resources section will take you to the CNET reviews for the A630 and A720, which are other good sources of information on the cameras. By clicking on the "play CNET video" text in the video player, you can watch a hands-on review for both the A630 and the A720 with commentary of the respective cameras' features.
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