You have to login first in order to be able to post messages.
Click here to login or register if you are a new user.


Page:
1
Showing posts 1 - 6 of 6

Help setting color profiles my camera, for Dreamstime in RGB our sRGB?...

Author Message
FabioConcetta
3476 posts
83
Message posted at 11/06/2013, 07:48:05 AM by FabioConcetta
Hi all I would like clarification on the color profile setting in my camera (Nikon D700), would be better to Dreamstime set to RGB or sRGB, thank you in advance for your courtesy!!!
Nikon D700 --- nikkor 24-70 F 2.8 --- micro nikkor 105 VR...

Uploaded files:484 | Total Sales: 1679
Dieniti
342 posts
62
Message posted at 11/06/2013, 08:19:03 AM by Dieniti
We had such a question already. See here.
But to be honest it did not help me personaly. I use AdobeRGB and had no problems at any agency yet.
Canon Eos 5D Mark II Pentax K20D Photoshop CS3 Photoshop...

Uploaded files:503 | Total Sales: 278
FabioConcetta
3476 posts
83
Message posted at 11/06/2013, 08:32:20 AM by FabioConcetta
Thank you very much ^_^
Nikon D700 --- nikkor 24-70 F 2.8 --- micro nikkor 105 VR...

Uploaded files:484 | Total Sales: 1679
Janceluch
197 posts
78
Message posted at 11/12/2013, 08:28:18 AM by Janceluch
In terms of color profiles I recommend workflow:

1. shooting in raw (the RGB settings of camera are irrelevant, as they apply to JPG, not RAW)
2. postprocessing the RAW files in ACR (Adobe Camera RAR) with working profile set to ProPhotoRGB (that retains maximum color information from camera's sensor).
3. then shift+Click "Open as Smart object" to Photoshop (the image will become embedded RAW image with all options of edditing in ACR module when you double click the original layer) The working profile of Photoshop is still ProPhotoRGB. Do all adjustments in layers and blending modes without rasterizing original embedded RAW file layer. (this step preserves editability, minimizes "cumulative damage" of postprocessing step, and preserves maximum color information)
4. When done Save as JPG (no flattening!) max quality with embedded ProPhotoRGB profile (now we are exporting image for DT, but we will do some more things with the image...)
5. Save PSD file for later as your "processed editable negative". You can close PSD after save. (This way you can edit or revert any of adjustments done later on..)
6. backup the PSD to external HDD. (in case your computer HDD dies you will have your images)
7. Final conversion for web browsers - Open the JPG file in Photoshop - go to "edit">"convert to profile". Choose RGB/sRGB. Choose "relative colorimetric" when you want to preserve special colors (skintones etc), choose "perceptual" if your image has gradients which which you do not want to harm, but slight shift in colors is acceptable...

hope that helps someone...

A pair of eyes, one regular-sized brain, and some stuff for ...

Uploaded files:50 | Total Sales: 162
FabioConcetta
3476 posts
83
Message posted at 11/28/2013, 07:22:42 AM by FabioConcetta
You have explained in an excellent manner, truly compliments, now I will set as you did! I now had ACR with the sRGB color profile and even Photoshop, so I take advantage of the quality of the whole system with ProPhoto, thank you!
Nikon D700 --- nikkor 24-70 F 2.8 --- micro nikkor 105 VR...

Uploaded files:484 | Total Sales: 1679
Janceluch
197 posts
78
Message edited at 11/29/2013, 02:08:19 AM by Janceluch
Hmmm... I am not sure If I understand you right, but are you using ACR with sRGB as working profile? - If yes, than it is not good. You have to use ProPhotoRGB as working profile in ACR.

consider this:

1. The RAW file has widest possible color information (gamut), but no color profile embedded.
2. If image has no color profile embedded, the ACR will assign it's working space to the file during opening.
3. assigning profile kills (distorts, remaps) all colors, that are not in the profile's palette (gamut)
4. sRGB has very limited palette, ProPhotoRGB has wide palette

So when you set your working space to sRGB in ACR, and open RAW file, the ACR degrades the rich color information to sRGB limited color palette...

(example - you have shot orange flower, which is rich saturated orange color. You take RAW file and open it in ACR with sRGB set as working space. Now the ACR assigns the working space sRGB to the image, but sRGB does not have that saturated orange color in its palette, so ACR remaps that color to "little-bit-muddy orange" which it considers to be the closest color available... and basically it kills all the rich colors which are not available in sRGB color palette... And you will never see the true colors of your image, cause on first open you allowed to cripple the color information with sRGB... ) - is it somehow understandable?
A pair of eyes, one regular-sized brain, and some stuff for ...

Uploaded files:50 | Total Sales: 162
Page:
1
Showing posts 1 - 6 of 6
Current Server Time: 04/19/2014, 20:03:09 PM