Posterization

Started 5 months ago | Discussions thread
michaeladawson
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Re: Thanks Mike
In reply to Sergey_Green, 5 months ago

Sergey_Green wrote:

michaeladawson wrote:

Sergey_Green wrote:

michaeladawson wrote:

Best thing would be for you to post a RAW file so others can take a look.

It is almost 40MB, where could I post it?

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- sergey

The easiest thing is to use Dropbox. You put the file out there and then share a link to it.

Ok, I think this is it,

https://www.dropbox.com/s/emkc0gw6uzhhalx/DSC_0858.NEF

Thanks Mike,

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- sergey

OK, I opened up your raw file using both CNX2 and with Photoshop CC. I did not really see any posterization with either editor when first opened.

In Photoshop I played around just a little bit with large exposure changes and you can force posterization of those dark green shadow areas.  But that required me to do large histogram moves.  I have uploaded both of the jpg files to my Dropbox area.

Here is the CNX2 version. Opened in CNX2 with zero adjustments. Then moved to Adobe Photoshop where it was converted to sRGB, 8 bits, and saved as a quality 12 jpg.

https://dl.dropboxusercontent.com/u/10447490/DSC_0858_CNX2.jpg

Here is the Photoshop CC version. Opened in ACR using the Camera Neutral profile. Neutral (linear) tone curve, no sharpening or noise reduction. Inside PS converted to sRGB, 8 bits, saved as quality 12 jpg.

https://dl.dropboxusercontent.com/u/10447490/DSC_0858_Photoshop.jpg

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Mike Dawson

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