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danielr50118893
Participant
February 22, 2021
Question

Opening RAW images with Photoshop

  • February 22, 2021
  • 1 reply
  • 353 views

Running up-to-date PS 22.2 and ACR 13.1 on macOS 10.14.6

When opening camera raw files via PS it will open majority of the images but not all. If you hit cancel it will then opening the remaining images.

 

A particular example folder I have been testing with is all just the same camera with 144 images. 138 will open initially and then when you hit cancel the remaining 6 will open.

 

If I open the folder in Bridge and then select all to open in ACR all 144 will open at once.

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1 reply

D Fosse
Community Expert
D FosseCommunity Expert
Community Expert
February 22, 2021

ACR runs outside Photoshop memory/address space, and doesn't use the scratch disk. Sounds like it runs out of memory.

 

If you need to work on that many images, use Lightroom. It's specifically designed for high volume work. ACR is more intended for single (or a few) images.

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danielr50118893Author
Participant
February 22, 2021

So this was tested on two different machines one with 16GB or Memory and the other with 32GB.

 

Each time it was the same 138 that opened then followed by the remaining 6.

 

Based off that I don't see how that could be a memory issue. Especially since I can open all 144 in one ACR window when accessing them via Bridge.

 

As for the your statement regarding Lightroom and ACR. Lightroom is just the browser interface and calls on the same ACR engine iirc.

 

I have also never heard of or seen any recommendation before about how many files you can load up in ACR. Do you have any documentation I can reference for that?

D Fosse
Community Expert
D FosseCommunity Expert
Community Expert
February 22, 2021

Lightroom is not "just a browser interface". It is not a browser at all, in fact. The catalog organization makes it much more streamlined and effective for volume processing, because it doesn't have to write to each individual file, like ACR does.

 

Obviously there is no limit to how many files you are "supposed" to open in ACR. But it does have limited memory resources given the way it works.

 

Nobody is stopping you from trying to open 144 files at the same time in ACR. But it will be an upstream swim, fighting the application instead of working with it.

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