"But at low ISO nothing can beat this camera." - CEO SIGMA Pt. 2

Started 10 months ago | Discussions thread
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Re: Marketing Hyperbole
In reply to Erik Magnuson, 10 months ago

Erik Magnuson wrote:

Basalite wrote:

Is it fair to call a 15MP Bayer sensor camera 15MP when much of the color is interpolated?

Yes, because technically MP is not a measure of (color) image resolution.

But higher color resolution equals more resolution, resolution in terms of detail. It's fair to say that when the average consumer hears that a camera has more resolution they are also thinking about more detail.

After all, the implication is that a higher MP sum will yield a higher resolution photo than something less.

And for most cameras of a similar type in similar conditions this is approximately but not exactly true. But if you compare a cell phone to a DSLR in dim light it will not be true.

To make it easier for you to follow and not deviate, lets at least keep the sensors similar in size.

If that were true then a 15MP Bayer sensor camera should be able to get comparable image quality to a 15MP Foveon sensor.

Note you are switching from "resolution" to "image quality" in this sentence. Does a Foveon sensor have 15MP of "image quality" (or resolution) at ISO 3200 under tungsten light?

Since it is well known, even by the detractors and haters, that Sigma cameras are ISO 100-400 cameras it makes no sense for you to be talking about high ISO.

Can a mosaic camera resolve 15MP of detail with the right target and algorithm? It seems that 15MP is a max theoretical resolution not a guarantee.

I have no idea what you are talking about and how that relates to anything I have said.

For the average consumer neither is helpful in the presence of the other.

The average consumer has no interest in Foveon-based cameras so the exception is of mainly pedantic interest.

And why don't they?

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Erik

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