20
votes
Raw photo for scientific purpose. How to set white reference to defined numeric L*a*b value?
Sounds a bit iffy to me... A card, by itself, DOESN'T have a fixed L*a*b* colour - that's a product of the reflectivity of the card at different wavelengths and the intensity and wavelength ...
- 3,003
11
votes
Accepted
Why I am getting only solid yellow images from Adobe Camera Raw?
The display corruption could be a consequence of using GPU acceleration in the ACR module. Not all cards are supported, so try toggling off the option.
Also make sure that option is off in Photoshop.
- 32.9k
11
votes
Accepted
Raw photo for scientific purpose. How to set white reference to defined numeric L*a*b value?
This frequently comes up in photographic reproduction jobs where one is trying to closely approximate some other object such as a painting antique drawing. This cannot be done with typical photographs ...
- 1,207
9
votes
RAW in ACR vs JPG in ACR
The raw image is 12 (or maybe 14) bits, and JPG is 8 bits (less range). JPG does not handle changes of extreme range well.
The JPG image already has white balance and color profile in it, likely our ...
- 12.8k
7
votes
Why is low color temperature in Lightroom more blue rather than more yellow?
White balancing when implemented correctly (like in Lightroom) ensures that whites stay white under the new illuminant, essentially mimicking the chromatic adaption performed by the human visual ...
- 850
6
votes
Accepted
Which software is actually needed to update for Adobe Lightroom to support new cameras?
DNG convertor is standalone software, independent of any other software. Adobe camera RAW/Lightroom are part of Adobe Creative cloud.
So updating DNG convertor have nothing to do with updates of Adobe ...
- 10.1k
5
votes
RAW in ACR vs JPG in ACR
The limitations when working with JPEG image files, as compared to working with raw data, isn't so much in the application used (unless it is a poorly written application - which could be the case for ...
- 173k
5
votes
Accepted
Why does Photoshop fail to recognize EIP files?
If you are referring to this EIP File Format – Enhanced Image Package, the format is specific to Capture One. Support by other programs is unlikely, and Adobe's list of supported file formats for ...
- 26.7k
5
votes
My pirated copy of Photoshop isn't rendering RAW files correctly. What should I do?
Come to the light side. We may not have cookies, but we have legitimate free software. The creators of Photoshop, as is their right, decided to keep the internals of the program proprietary and to ...
- 142k
4
votes
Adjustment brush: How to see which portions of the picture you've altered?
According to the Adobe help on camera raw:
To toggle visibility of the mask overlay, use the Show Mask option, press Y, or position the pointer over the pin icon.
To customize the color of the mask ...
- 8,464
4
votes
Why is low color temperature in Lightroom more blue rather than more yellow?
Lightroom likes to use reverse psychology :) It does so in numerous places but it color temperature is one of the more obvious one.
You are right that diminishing the color temperature of an image ...
- 102k
4
votes
Accepted
Does a RAW file in Photoshop contains all the data only while in Camera RAW or at all times in Photoshop?
Photoshop is a general purpose raster image editor, and as you state it requires an intermediate step in order to open a RAW file (which is not, as such, an RGB raster image format).
Once Photoshop ...
- 4,016
3
votes
How to adjust HSL values on specific areas of photo using adjustment brush in Lightroom and Camera Raw?
As far as I know, the only values that can be brushed are the ones shown in the brush.
I would guess that Adobe feels the others are out of the scope of lightroom, which is "only" a image editing tool,...
- 69
3
votes
Accepted
Why won't my Canon 6D RAW file import into Photoshop CS5.1 after installing Camera Raw?
Canon 6D was added to Camera Raw 7.3, which requires CS6. I think your only options are to use the DNG converter, upgrade Photoshop, or switch to another tool like Lightroom.
- 12.4k
3
votes
If I'm editing in Photoshop, is there any advantage to using Camera Raw directly rather than Lightroom first?
It shouldn't make any difference, they are both tools created by Adobe with the same processing engine behind them. As long as the versions of camera raw are in sync, its the same thing. Use whichever ...
- 46.4k
3
votes
Is there any difference between cropping an image in ACR vs. Photoshop Elements editor?
I would imagine the advice was given to crop in ACR vs PE because edits within ACR would be non-destrctive vs PE which would be editing a JPEG in a destructive manner. I don't use either tool directly ...
- 46.4k
3
votes
What is Lightroom *really* doing when I change a Camera Calibration?
A camera profile may consist of several operators, including:
A linear transform (a matrix) from the camera RAW color space to CIE XYZ color space (used to compute the conversion transform to ...
- 171
3
votes
Why is low color temperature in Lightroom more blue rather than more yellow?
The slider in Lightroom is not used to adjust the color of the light that lit the scene. That light has already been recorded. Rather, it is setting the correction for the light in the scene. The ...
- 173k
3
votes
Where Can I Find Lens Correction Profile Files (for RawTherapee and Other Apps)?
On Windows, they can be found at:
X:\Program Files\Adobe\Adobe Lightroom\Resources\LensProfiles\
On Mac, they should be here:
Applications/Adobe Photoshop Lightroom X/Right-click Show Package ...
- 55
3
votes
Is there any way of achieving cross-application non-destructive RAW editing? (Maybe xmp files?)
They're all proprietary. Each application uses their own algorithms to convert the raw data. To the best of my knowledge none of the adjustments made with one application will translate identically in ...
- 173k
3
votes
Accepted
Activating the Camera RAW plugin of Adobe Bridge CC (free) by buying Photoshop Elements - anybody who has tried it?
In short
One can utilize the Adobe Camera Raw(ACR) bundled with Photoshop
Elements(PSE),as if it were near-native to Bridge Creative Cloud(CC)
(read below for the caveats though, because there ...
- 343
3
votes
Accepted
Does Nikon's .NRW RAW format use a linearization table like the .NEF format?
Correction — the linked article (including the comments thread following it) suggests that the .NEF format undergoes a linear quantization only for some consumer-grade DSLR cameras.
Mathworks.com ...
- 31.6k
3
votes
Accepted
Colors are different in Adobe Camera Raw compared to Photoshop (sRGB)
I have figured out the problem. For some reason, with hardware accelerated graphics for Camera Raw, it was displaying sRGB incorrectly.
To fix: In Photoshop, click Edit > Preferences > Camera ...
- 277
3
votes
Accepted
Why is Lightroom so much slower than ACR?
I discovered it was the graphics driver. It needed updating and there is still a little lag, but it is almost unnoticeable.
- 87
2
votes
How can I open CR2 files with Photoshop CS4's ACR?
Welcome to the "Photoshop Tax" on getting a new camera body.
The main thing to keep in mind is that RAW is not an acronym, a file format, or a standard. It's merely a file that contains the ...
- 50.5k
2
votes
How do I return to Camera RAW window after opening an image?
In Photoshop CC, go to the top menu bar, select the word 'filter'. In the drop down menu select 'camera raw filter'.
Your current layer will then be opened with the camera raw editing window.
OR ...
- 21
2
votes
Understanding Lightroom/ACR Exposure Non-Linearity
This accounts for nonlinearity in human perception of brightness. This page, citing Williamson & Cummins (1983), explains:
In considering this question we can replace "reflectance" with "...
- 3,573
2
votes
How to open a raw file in Camera Raw full size rather than cropped to in-camera aspect ratio?
If you go to "Crop" in the Develop Module, you can choose between "As shot" which will give you the in-camera cropped version, or "Original" which will give you the full ...
2
votes
Is it still better to overexpose raw images (for use in Lightroom)?
There is a common misunderstanding with the technique described (which is generally dubbed 'expose to the right'), as far as I understand it.
You can find a detailed description at wikipedia, to see ...
- 1,060
2
votes
How to adjust HSL values on specific areas of photo using adjustment brush in Lightroom and Camera Raw?
Although quite laborious, one way to get to where you want to go would be to edit the raw file globally in Lightroom and export a separate version of the entire photo edited specifically for each of ...
- 173k
Only top scored, non community-wiki answers of a minimum length are eligible