Therefore, while you should check the megapixel count on a camera before buying it, make sure you check the other specs too. After all, it doesn't matter how many megapixels your camera has if all your pictures turn out blurry and have poor color. For example, shutter speed, shooting modes, start-up time, flash quality, and color accuracy can also make a big difference in the camera's performance. However, while megapixels are important, it is helpful to know the other specifications of a camera as well. Megapixels are helpful in marketing digital cameras, because it is easier to say, "6.3 megapixels" than "6,291,456 pixels." It is also a little easier to remember. The Sony T10 captures 3072 x 2304 pixels, totaling 7,077,888, which makes it a 7.2 megapixel camera (because not all the pixels are used). Therefore, it is estimated to be a 6.3 megapixel camera. For example, the original Canon Digital Rebel captures 2048 vertical by 3072 horizontal pixels, for a total of 6,291,456 pixels (2048 x 3072). Therefore, the megapixel count is a significant specification to look for when buying a digital camera.Ī camera's megapixel number is calculated by multiplying the number of vertical pixels by the number of horizontal pixels captured by the camera's sensor, or CCD. The higher the megapixel number, the more detail the camera can capture. For example, a 7.2 megapixel camera is capable of capturing roughly 7,200,000 pixels. It is commonly used to describe the resolution of digital cameras. To calculate the resolution in megapixels, multiply the number of pixels of length and width and divide them by mega (1 million).
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