When HD Isn’t High Definition

Remember the “megapixel myth” that has driven camera specs for the last decade or so? Yeah, it’s still here; it’s called the “HD hoax” now. I just made that up. But seriously. The idea behind the megapixel myth was that simply increasing the size of the output image didn’t usually result in a better picture in any way. In fact, in addition to filling up the memory card faster, this megapixel bloat led to images that were noticeably less sharp and true to life. Similarly, so-called HD cameras and sensors are now being sold strictly on numbers and not on features or performance. But more data for the image is always better, right? Not quite.

What set this post off was that yesterday, Omnivision announced that they were packing 1080p onto a 1/6″ sensor. An admirable feat of miniaturization. But the reality is that this “high definition” is anything but.

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