Re: Colorsync-users Digest, Vol 11, Issue 133
I was referring to LR and PS on the same display. 100% view sounds familiar. Not very useful with large images. You are right I could use an instrument but DCM does work for this type of thing for a quick and simple comparison. The actual accuracy or lack of is less important than confining that what should be the same is not or vice versa. David Remington Manager, Digital Imaging and Photography Services Harvard Library Preservation D-70A Widener Library Cambridge, MA 02138 p 617-495-4701 f 617-495-0403 w http://imaging.harvard.edu/ On Sep 10, 2014, at 3:00 PM, colorsync-users-request@lists.apple.com wrote:
Message: 3 Date: Wed, 10 Sep 2014 08:18:15 -0600 From: Andrew Rodney <andrew@digitaldog.net> To: "colorsync-users@lists.apple.com" <colorsync-users@lists.apple.com> Subject: Re: Colorsync-users Digest, Vol 11, Issue 132 Message-ID: <A769430C-0CA0-4BC9-ACBF-C6849EBC3114@digitaldog.net> Content-Type: text/plain; charset=us-ascii
On Sep 10, 2014, at 6:21 AM, Remington, David <david_remington@harvard.edu> wrote:
Just the other day I was using Lightroom 5 on a dual monitor set-up and wondering why the image displayed on the second screen in develop mode is darker than it is when opened in photoshop
If the display profiles defining the calbiration are not identical (and that's unlikely) wouldn't that throw the DigitalColor Meter analysis off? Also, in LR, you need to view the data in Develop at 1:1 (100%) while viewing the image that way in Photoshop. On the same display, they should appear the same. On differing displays, I suspect the calibration would be a huge factor here. Lastly, why not use a instrument? Presumably you used one to build the profile for both displays.
I just don't as yet see anything that the DigitalColor Meter provides that is useful for color managed workflows. But I'm open to suggestions.
Andrew Rodney http://www.digitaldog.net/
On Sep 10, 2014, at 6:09 PM, Remington, David <david_remington@harvard.edu> wrote:
I was referring to LR and PS on the same display
Ah sorry, I read this:
Just the other day I was using Lightroom 5 on a dual monitor set-up and wondering why the image displayed on the second screen in develop mode is darker than it is when opened in photoshop
100% view sounds familiar.
Especially important in Lightroom and in Develop module because previews are treated differently in other modules to speed things up. Also, depending on the version of LR, it doesn't deal with V4 ICC Profiles well.
You are right I could use an instrument but DCM does work for this type of thing for a quick and simple comparison.
As long as you realize the numbers are wrong.
The actual accuracy or lack of is less important than confining that what should be the same is not or vice versa.
And there's the rub, in ICC aware applications, they should look the same and if they don't, DCM doesn't really tell you anything I can understand is useful. I'm seeing it report two differet sets of values from Photoshop vs. Preview when the two appear the same. Andrew Rodney http://www.digitaldog.net/
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Andrew Rodney
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Remington, David