65 Messages
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800 Points
Fri, Dec 27, 2013 10:37 AM
Acknowledged
Lightroom 5: ICC Table Profiles clipped shadows under OSX
Hi, I've just found a really bad issue occurring in Lr 5 (but also in all other Lightroom versions) under Mac OSX 10.9 with a calibrated monitor: dark shadows (from a value of 20 to 0) are all clipped (pure black with no detail and no textures) while the histogram remains ok, indicating NO clipped shadows at all. This issue afflics also ACR.
Photoshop for now is the only software under MAC that reproduces dark shadows correctly: Library Module shows a bit darker and shifted shadows than Ps but acceptable, Develop Module is really bad showing brutally clipped shadows (but you work in the Develop Module right?!).
The same problem occurred also in OSX 10.8 but it was related only to LUT profiles, creating a Matrix based profile problems were solved.
Now the issue occurs with both Matrix and LUT profiles, v2 and v4. There's no apparent way to make Lr working right.
Under Windows no problems at all: Bridge, Photoshop, ACR, Lr (Library Module and Develop Module) show the same correct NOT clipped shadows.
I tested 8 different Mac running 10.9 with different GPU, different monitors, different profiling Softwares (Color Eyes Display Pro, Eizo Color Navigator, BasICC Color, i1 Profiler). Same results.
I tried to change the gamma value (2.2, sRGB, L*) problems remain. I tried to change ICC version (v2, v4) problems reamain. I tried to change profile type (LUT, MATRIX) problems remain.
How can a photographer work professionally on RAW images if shadows are bad reproduced?
Why Photoshop can reproduce shadows correctly while Lr isn't able to do that?
Why this happens only on a Mac enviroment?
Is Lr based on ColorSync (that can't handle profiles correctly) while Ps isn't (because it can handle and it has no problem)?
Please Adobe, FIX IT for all professional photographers, we can’t use Lr for serious works under Mac.
Max Ramuschi
Adobe Certified Expert
p.s.: Added a 100% Crop screenshots that shows the problem, some photos are even worse...

Photoshop for now is the only software under MAC that reproduces dark shadows correctly: Library Module shows a bit darker and shifted shadows than Ps but acceptable, Develop Module is really bad showing brutally clipped shadows (but you work in the Develop Module right?!).
The same problem occurred also in OSX 10.8 but it was related only to LUT profiles, creating a Matrix based profile problems were solved.
Now the issue occurs with both Matrix and LUT profiles, v2 and v4. There's no apparent way to make Lr working right.
Under Windows no problems at all: Bridge, Photoshop, ACR, Lr (Library Module and Develop Module) show the same correct NOT clipped shadows.
I tested 8 different Mac running 10.9 with different GPU, different monitors, different profiling Softwares (Color Eyes Display Pro, Eizo Color Navigator, BasICC Color, i1 Profiler). Same results.
I tried to change the gamma value (2.2, sRGB, L*) problems remain. I tried to change ICC version (v2, v4) problems reamain. I tried to change profile type (LUT, MATRIX) problems remain.
How can a photographer work professionally on RAW images if shadows are bad reproduced?
Why Photoshop can reproduce shadows correctly while Lr isn't able to do that?
Why this happens only on a Mac enviroment?
Is Lr based on ColorSync (that can't handle profiles correctly) while Ps isn't (because it can handle and it has no problem)?
Please Adobe, FIX IT for all professional photographers, we can’t use Lr for serious works under Mac.
Max Ramuschi
Adobe Certified Expert
p.s.: Added a 100% Crop screenshots that shows the problem, some photos are even worse...
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Official Solution
kelly_castro
87 Messages
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2.1K Points
6 years ago
6
Official Solution
JeffreyTranberry
Adobe Administrator
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295.2K Points
6 years ago
Sr. Product Manager, Adobe Digital Imaging
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chris_cox_2148894
15.1K Messages
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195.8K Points
7 years ago
It sounds a lot like a regression of an old MacOS ColorSync bug...
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massimiliano_ramuschi
65 Messages
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800 Points
7 years ago
0
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massimiliano_ramuschi
65 Messages
•
800 Points
7 years ago
Chris, how can we inform adobe engineers about this problem?
And what can I say to my Lightroom classes? "Guys, shadows are all wrong if you use Mavericks" ?! Pro photographers don't care if it's Apple or Adobe related issue, it's Lightroom that doesn't work properly....
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massimiliano_ramuschi
65 Messages
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800 Points
7 years ago
https://www.dropbox.com/s/kl494m76h9m...
I can send tons of images where the issue exhibits. But every image with an area of shadows with a value between 20 and 0 should be fine.
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Victoria_Bampton_Lightroom_Queen
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6.2K Messages
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106.4K Points
7 years ago
Victoria Bampton a.k.a. The Lightroom Queen
www.lightroomqueen.com
Author of Adobe Lightroom Classic - The Missing FAQ and Adobe Lightroom - Edit Like a Pro books.
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finn_st_le_felberg
23 Messages
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372 Points
7 years ago
dark previews in Lightroom 5.3.
previews in LR (both Library and Develop module) are darker and more contrasty vs Photoshop
(Adobe Bridge shows previews exellent)
OSX 10.9.1, PS CC 14.1.4, LR 5.3, Eizo CG 19 calibrated with Color Navigator 5.4.5
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massimiliano_ramuschi
65 Messages
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800 Points
7 years ago
I tried calibrating with Spider 4 and i1 Display Pro using i1 Profiler, BasICColor, Coloreyes Display Pro 1.6 and Eizo Color Navigator 6.4.6 (only for my Eizo).
The problem is the same on 8 Macs (mine included). It shows up on the Eizo as on the apple LCD screen and iMac. Every colleague I consulted has the same problem...
Note that the same calibrating hardware and software doesn't cause problems on Windows...it can't be an hardware related issue.
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Victoria_Bampton_Lightroom_Queen
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6.2K Messages
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106.4K Points
7 years ago
I'll carry on experimenting with other software to see if I can reproduce it.
Victoria Bampton a.k.a. The Lightroom Queen
www.lightroomqueen.com
Author of Adobe Lightroom Classic - The Missing FAQ and Adobe Lightroom - Edit Like a Pro books.
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massimiliano_ramuschi
65 Messages
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800 Points
7 years ago
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massimiliano_ramuschi
65 Messages
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800 Points
7 years ago
Please tell me which graphic card are you using on your mac. If your basic (included in OSX) profile doesn't cause problems, it might be a Graphic Driver issue, beacause mine does.
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Victoria_Bampton_Lightroom_Queen
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6.2K Messages
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106.4K Points
7 years ago
Victoria Bampton a.k.a. The Lightroom Queen
www.lightroomqueen.com
Author of Adobe Lightroom Classic - The Missing FAQ and Adobe Lightroom - Edit Like a Pro books.
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massimiliano_ramuschi
65 Messages
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800 Points
7 years ago
Which calibrator? Currently I'm using i1 Display Pro with Eizo Color Navigator 6.4.6 (Mavericks compatible).
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massimiliano_ramuschi
65 Messages
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800 Points
7 years ago
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