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john76269000
Participant
June 15, 2017
Answered

Photoshop CC (2017) Showing desaturated/less contrasty images compared to LR

  • June 15, 2017
  • 2 replies
  • 775 views

I import my RAW images into LR, do the processing and then open them in PS if needed for blending etc.I use 'Edit A Copy With LR Adjustment' option. Recently in the last few days I'm observing that the photos opened in PS looks a bit less saturated/contrasty. If I save from PS and reopen it in LR, i see the issue clearly as well.

Both my LR and PS workspace is ProPhotoRGB, so no issues there and the problem never occurred before.

Lightroom CC (2015)

External Editing:

     Edit in Adobe Photoshop CC

     File Format = TIFF

     Color Space = ProPhotoRGB

     Bit Depth = 16

     Resolution = 240

     Compression = zip

Photoshop CC 2017:

    Color Settings:  Custom

    Working Spaces:

    RGB = ProPhotoRGB

    CMYK = U.S. Web Coated (SWOP) v2

    Gray = Dot Gain 20%

    Spot = Dot Gain 20%

I read online that it could be for corrupt monitor profile and so re-calibrated my monitor last night,but that didn't help. I'll really appreciate any help.

This topic has been closed for replies.
Correct answer D Fosse

Ah, this isn't about color profiles. It's about different on-screen resampling algorithms with extremely noisy (or binary) images. Yes, stars are equivalent to noise in this context.

You need to view both at 100%, or 1:1, which maps exactly one image pixel to exactly one screen pixel. This is the only really truthful representation of the file. Then they will be identical.

On-screen scaling softens the image, and the effect varies with different algorithms.

2 replies

D Fosse
Community Expert
D FosseCommunity Expert
Community Expert
June 16, 2017

There's no workaround as such. When you display, say, a 6500 pixel image using 2500 pixels on screen, something has to go. The question is what. How do you treat a 2-pixel sharp transition when you have less then a pixel to do it?

In a normal photograph this isn't a noticeable problem. But when you have lots of very sharp pixel transitions - noise or stars - there are different ways to do it.

If 100% is too close, try the regular intervals like 50 or 25, rather than fit or fill.

J
john76269000Author
Participant
June 16, 2017

Ok, I see what you are saying. Thanks a lot for clarifying this. It's not a huge difference .... I can apply a little edit in LR to make it look same for publishing in web (which wont be viewed as 1:1).

Thanks a lot!

D Fosse
Community Expert
D FosseCommunity Expert
Community Expert
June 15, 2017

Can you post a side-by side screenshot?

What calibrator are you using?

BTW there's no particular reason color settings should match, you can set them to whatever you like independently. Photoshop will preserve any incoming profile.

J
john76269000Author
Participant
June 15, 2017

Please see the images attached. glacierPointMW-24mm_25k_stack.jpeg (1st one) is the LR one, glacierPointMW-24mm_25k_stack-Edit.jpeg is taken from LR to PS, no editing in PS, saved and then re-opened in LR.

I'm using Spyder 4 Pro.

D Fosse
Community Expert
D FosseCommunity ExpertCorrect answer
Community Expert
June 15, 2017

Ah, this isn't about color profiles. It's about different on-screen resampling algorithms with extremely noisy (or binary) images. Yes, stars are equivalent to noise in this context.

You need to view both at 100%, or 1:1, which maps exactly one image pixel to exactly one screen pixel. This is the only really truthful representation of the file. Then they will be identical.

On-screen scaling softens the image, and the effect varies with different algorithms.

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