What are megapixels on a camera?

Even the highest megapixel retail full frame camera (Nikon D800 at 36 megapixels, released 2012) has 4.88 micron pixels, while an 18 megapixel Canon 7D (2009) has pixels that measure just 4.3 microns across. read more

Camera makers and your local Best Buy salesman are always talking about the next model with more megapixels than the one that came before it. The new numbers make your current model seem obsolete. If you bought a camera with six megapixels a few years ago, you wish you could get a new one that gets twelve. read more

A 16-megapixel smartphone camera sounds great, but an 8-megapixel shooter could still produce better pics. A 16-megapixel smartphone camera sounds great, but an 8-megapixel shooter could still produce better pics. read more