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Do you still use dp2x ?

Started Aug 11, 2017 | Discussions thread
PrebenR Veteran Member • Posts: 4,164
Re: Do you still use dp2x ?

xpatUSA wrote:

PrebenR wrote:

Steve Horwitz wrote:

Has anyone come across a Photoshop filter that would convert my DP2M images to look like the older Sigma DP2X images with their richly saturated colors?

It's not the saturation but the colourspace that are different.

See: https://www.flickr.com/photos/prebenr/sets/72157634524714567/

Very good comparison examples indeed. But my guess is that they are all in the sRGB color space so perhaps it is the white point (per CIE 1931) that varies?

A problem with Sigma is that every camera model has a different cam to XYZ conversion matrix to any other, whereas the sensor spectral response varies but little from model to model.

I guess it comes from that you have to do calculations to get the colours from the three layers as you say. Then how the formula is setup you get different responses and of course the sensors are different.

I put the wb adjustment on the same place for both to compare. So some of the dp2 photos could have been done differently, like the one with the letters in the bark of the tree. However if you see the lobster photo the dp2 has more correct colour on the near wall than dp2m amd I could not get correct colour of this on the dp2m.

Notice that the dp2 gives a more cyan sky while dp2m gives more violet sky in the beach photo.

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