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51 Messages

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1.7K Points

Mon, May 20, 2019 9:03 PM

Lightroom Classic 8.3 Visual Differences between Library Loupe View and Develop View

I am seeing fairly significant visual differences between the Library Loupe view and the Develop view with Lightroom Classic 8.3.  The Loupe view is showing a lot more sharpness and contrast compared with the Develop view.  When I export with output sharpening set to none, the view shown in Loupe is much closer to the final JPG than what I see in the Develop view. 

Obviously not great when the export looks different.  Especially with the photo being one where there is a lot of noise (like a Milky Way shot) and there ends up being so much extra sharpening and contrast the export isn't something I can share because it looks so different from what I saw in Develop. 

At first I thought it was a problem with export, but as I continued testing things I discovered that Loupe view looked like the export.   Even though the Loupe view is a good way to tell what the export is going to look like, this is not workable if Develop isn't showing an accurate view.

I have reproduced on both Windows and Mac:
  • Windows 10 Pro 1809 (10.0.17763 Build 17763) with NVIDIA GeForce GTX 1060 3GB graphics card and the most current NVIDIA drivers (430.64)
  • macOS Mojave 10.14.4 on MacBook Pro (13, 2017) with Intel Iris Plus Graphics 640

I have screen shots I can share to illustrate the differences.  The difference is more extreme on Windows than it is on Mac for me, but there is still a difference on Mac.  I have already done the preferences reset and that did not solve the problem.

Responses

532 Messages

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10.5K Points

a year ago

51 Messages

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1.7K Points

Different from that.  After zooming into a photo in the Develop module it takes a moment to show the full detail of the image, but when I zoom back out (still in the Develop module) it looks the same as I did before zooming in, which is very different from how things look in Loupe.

56 Messages

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1.1K Points

Hi Jeff Harmon, thank you for providing the details of the issue.  I have verified this on a few edited milky-way RAW images on Mac 10.14.4 and Win10 and I do not see much difference. Could you please upload a sample raw file with edits? 

51 Messages

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1.7K Points

You can see a video of the issue here: https://www.dropbox.com/s/9smba77xwxswcy4/DevVsLoupe.mov?dl=0

I have tried the same image in 8.2.1, the same issue is there.

Champion

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2.1K Messages

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36.4K Points

I am seeing fairly significant visual differences between the Library Loupe view and the Develop view with Lightroom Classic 8.3.  The Loupe view is showing a lot more sharpness and contrast compared with the Develop view.  When I export with output sharpening set to none, the view shown in Loupe is much closer to the final JPG than what I see in the Develop view. 
The Library and Develop modules use different interpolation algorithms that can make the Loupe previews appear different when the image has a lot of noise, such as your high ISO 3200 DNG file.
https://forums.adobe.com/message/7327718#7327718

To make your Export files, Library preview, and Develop preview all appear the same you need to apply Luminance noise reduction at 1:1 Zoom view to reduce the visible noise. You have it set at 0, which with an ISO 3200 image is going to cause this issue. Also reduce Sharpening settings as necessary to help reduce the noise. Below are your settings and settings I used that correct the issue. Give them a try and see if that helps. You may need to go back and adjust the Local Adjustment Brush settings since some have a high Noise value that my no longer be necessary with the Global Detail panel Luminance noise reduction applied. Best practice is to adjust these Global controls first before making any Local corrections.

It appears you also applied 'Enhance Details to the original raw. Given the long 10 sec. exposure time star movement is visible, which lowers the image sharpness. Enhance Details will not help this image and may even make it worse from a noise perspective. I suggest applying the edits in the DNG to the original raw file and using it.

833 Messages

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13.1K Points

a year ago

macOS 10.14.5 LR Classic 8.3 iMac 5K no differences, only one second between the update on the magnifying glass in the case of changing a setting of developpement.
une question, do you work with 2 screens and whether your two monitors are calibrated correctly with a probe calibration?

51 Messages

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1.7K Points

I am seeing this on a single monitor setup.

51 Messages

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1.7K Points

a year ago

I have validated this is not an issue with only 8.3.  Downgrading back to 8.2.1 it is the same and the thing that concerns me is that image can look so different in Development than what I end up getting when I export the file.

Champion

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5.8K Messages

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102.2K Points

If you go right back to 4.0, I think you'll find the same. If you go back even further, it would be even more different.

51 Messages

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1.7K Points

I was afraid of that.