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Ex-photo printer
Inspiring
October 8, 2020
Answered

How to change exposure the same amount on several images

  • October 8, 2020
  • 2 replies
  • 1062 views

Hi. I would like to find a way to add say .1 to several images at once. Is this possible? I know that I can sync the exposure of images, but what if they are all shot with different exposures? Is there some way to just bump the exposure up slightly on all of them  at once?

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Correct answer dj_paige

Select the desired photos in the Grid, and then use the Quick Develop panel in the Library Module. Clicking on the single triangle icon changes the selected photos by ±0.33 stops. Shift-clicking changes the selected photos by ±0.17 stops.

2 replies

dj_paige
dj_paigeCorrect answer
Legend
October 8, 2020

Select the desired photos in the Grid, and then use the Quick Develop panel in the Library Module. Clicking on the single triangle icon changes the selected photos by ±0.33 stops. Shift-clicking changes the selected photos by ±0.17 stops.

Ex-photo printer
Inspiring
October 8, 2020

Well, this did work. It may not adjust it quite as small amount as I wanted to. But it does do what I was wondering. Thank you for the info.

Community Expert
October 8, 2020

Another suggestion for overlaying small relative tonal tweaks: Tone Curve.

 

This works independently of (and, on top of) Basic adjustments whatever those may be.

 

You can apply, revisit, and perhaps later re-zero, a consistent adjustment across a whole batch of photos (e.g. using AutoSync) without touching their individualised Basic panel settings. So long as you are not already applying Tone Curve adjustments variably to these images, which would be disrupted.

 

A similar idea might be done with a local adjustment, say a gradient filter set to cover the entire image area. That can be overlaid as a consistent adjustment "overlay" (more accurately, "underlay") onto many images whose other processing otherwise varies. Again, not so good if you are already using this tool onto these images.

JP Hess
Inspiring
October 8, 2020

Highlight all the images that you want to modify. Enable auto-sync. Then adjust exposure accordingly. When using auto-sync I think the key is to remember to turn it off when finished.

Ex-photo printer
Inspiring
October 8, 2020

This didn't work. I selected three images to test it. First had an exposure of-.01, second +.30, and third +.46. I changed the first, with Auto Sync on, to.+.10. All exposures are now on +.10

JP Hess
Inspiring
October 8, 2020

You are right. Do it the way DJ suggested. My mistake.