DP2M: That's Resolution

Started Apr 10, 2013 | Discussions thread
Tom Schum
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Re: 808: resolution very impressive, DR and noise not so
In reply to Joerg V, Apr 13, 2013

Joerg V wrote:

Hi Petr,

I (somehow) agree with you. The sheer resolution of the 808 is mind-boggling considering how small the sensor is and that this is a cell phone camera. I looked a lot on dpreview's 808 studio scene and I am seriously impressed. If you only consider resolution: the 808'er output resolution is more impressive than the DPxM output (given the constraints!).

That's why I think all that focus on resolution alone as single measure of image quality falls a bit short. The 808's pixel quality is obviously not very good (but there are just soooo many pixels), the dynamic range is very very poor and the 100% images are quite noisy (which was to be expected).

I guess it would be possible to squeeze the 808'er sensor and optics into something just a bit large than a lighter. Now add an automatic multi exposures blending mode too overcome noise and dynamic range problems (works on static scenes only but ok)... wow!

Cheers

Joerg

For quite some time the speculation has been that a very large pixel count can equal Foveon.  Looks like this is true.  I guess a 45 megapixel APS-C sensor would fully equal the Merrill across the ISO range.  This would include less performance above ISO 800, same as Merrill.

If this ever will happen, it is going to be a few years, and by then hopefully Sigma will have improved upon the Merrill.

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Tom Schum

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