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thui

Joined: 10 Jul 2013
Posts: 4
Location: Denmark


PostPosted: Fri Sep 20, 2013 1:24 am    Post subject: ProPhotoRGB Reply with quote

Hi Guys

I am a bit unclear on why i would wan't to work with ProPhotoRGB. Since my camera records in adobeRGB. Wouldn't that make a color shift? or maybe this will not affect anything because the camera can't record these colors anyway.

And as i can see on different gamut diagrams - the ProPhotoRGB spektrum has part of it's range outside of the area that the human eye can actually see. What's that all about?

And one more thing, when i made a photo in adobeRGB for a browser that can only show sRGB. It seems correct to me that it would give me more accurate colors if i just work i sRGB from the beginning?

btw, you wouldn't by any chance know about at good (and free) way to calibrate my screen? I have a macbook with retina display and can for the love of god not make this annoying apple calibration thing work properly. It gives me all sorts of weird colors..

thui

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thehermit

Joined: 05 Mar 2003
Posts: 3987
Location: Cheltenham, UK


PostPosted: Fri Sep 20, 2013 3:45 am    Post subject: Reply with quote

Hi thui and welcome to the forum.

I process RAW files in ProPhoto for one reason, it's very simple and should help you clarify, why you should too. As you point out it is the largest colour space available, this makes it ideal for editing purposes, saturation shifts are handled a lot better, you do have to be careful not to go out of gamut, but there really is no downside to ProPhoto. If you are taking it to a commercial print house, then it will also have benefits, if you are printing it on your home printer, maybe not so much.

Most RAW converters (certainly Adobe's) also use ProPhoto as their colour space, so to use say sRGB or Adobe RGB, you are in effect throwing data away. Does, it matter? Have you seen your work on a high gamut monitor or printed?

As an alternative to ProPhoto if you feel it is too large to be useful is an option like BetaRGB or Melissa, they are both larger than AdobeRGB, but smaller then ProPhoto.

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