Sigma SD10 VS Kodak 14N Image quality?

Started Aug 9, 2005 | Discussions thread
4C Junior Member • Posts: 28
Reject advertised interpolated resolutions

Quentin (UK) wrote:

Since the Kodaks interpolate (upscale) to 14MP by default and the
Sigmas don't, you should compare Sigma images interpolated to 14MP
using a high quality adaptive interpolator (not SPP).

They do nothing of the sort. The Sigma SD9 does better than its
nominal 3mp would suggest because of the Foveon chip design, but
its real point of comparison are the 6mp entry level dslrs like the
Nikon D100. Its not even on the same playing field as the Kodak.

The Kodak 14 senses 3.35M full color pixels, which is slightly less than the SD9's 3.4M full color pixels. A 6MP DSLR only senses 1.5M full color pixels, as illustrated here: http://www.pbase.com/mpcritique

Digital interpolation doesn't count for much, if anything, when comparing real carried optical resolution, which is why you should ignore listed interpolated resolutions when buying any digital device, be it a scanner or DSLR.

Now, if the subject is B&W, then full color sensing media doesn't help matters much. But don't confuse photos of a pure B&W resolution chart, intentionally designed to inflate DSLR performance vs full color media like film, to full color subjects imaged using full color sensing media.

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