Louis Assoulin Explains why Megapixels aren't the Quality Standard in Cameras

The rivalry between digital camera systems has largely boiled down to whoever can cram the most pixels in a single image. An 18-megapixel camera will, after all, produce clearer and crisper images than a 2-megapixel camera. So should you ditch that old DSLR for a new one because the race is won by clarity?

Not really, as a higher-megapixel DSLR is not necessarily better. While there will come a point when you’ll need more megapixels, justifying an upgrade on grounds of megapixel quantity doesn't do photography justice. Camera dealers like Louis Assoulin explain that there's always the right megapixel count for the right job.

You might notice that an image gets blurrier when you blow it up from its original size. It means there are not enough pixels to compose the image when enlarged, so you’ll need to take another shot with a higher-resolution camera. For example, at 300 PPI, a 12-megapixel camera can produce clear images up to 11.5 inches wide and 7.7 inches deep.

Unless you plan on selling large prints, though, a 12-megapixel camera is overkill. According to David Peterson for Digital Photo Secrets, an image for use in websites normally needs no more than 3 megapixels, while the standard 4x6 photo needs no more than 2 megapixels.

If you're a photographer for a newspaper or magazine, you can go for images with less than 300 PPI for multiple reasons. Compared to 300 PPI, images with 100 or 200 PPI can be blown up to bigger sizes, essential for printing large and clear photos for less cost. On top of that, the quality of the paper itself may not allow for printing sharper images than 300 PPI.

In addition, take applications into account when choosing a camera based on resolution. A marketing agency would have use for a 12-megapixel camera, while the casual photographer could make do with a 2 or 3-megapixel unit. Camera dealers like Louis Assoulin can help in the selection process, outlining the pros and specific uses of each.

Know more about why a greater number of pixels doesn't always mean a better camera at Digital-Photo-Secrets.com. You can also visit CambridgeInColour.com for the basics of image resolution

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