Pixel Density is GENIUS!

Started Jul 13, 2008 | Discussions thread
simpy Veteran Member • Posts: 3,090
Re: No really, it isn't

RRJackson wrote:

If having the
smallest photosites you can pack on a sensor was such a huge draw the
D3 would be an in-joke among photographers and they'd all be carrying
around E-3 bodies like mine.

The reason that doesn't happen is that it's first about sensor size (main noise determinant) and then about getting as many pixels as possible for maximum resolution. Note also that the D3@9fps is already moving around some 150MB per second [similar to the Canon 1Ds3@5fps].

To be perfectly honest, at any technological level there is a limit to the amount of pixels you can cram on a sensor before you do start to hurt noise performance, but this limit is a moving target and disappears as the sensors approach their theoretical maximum performance. Therefore, pixel density is not a useful measure on its own. Sensor size, pixel count and year of introduction are a much better indicator of performance.

Simon

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