Opening NEF Files Edited in ACR

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Opening NEF Files Edited in ACR

Postby NN636139655180027490UL » Sun Feb 10, 2019 9:46 pm

Up until recently my Nikon .nef files were edited in Photoshop CS6 using ACR. All of these files have their associated .xmp files along side in the same folder. When I open any of these nef's in CO I don't see the edits that were created previously in CS6 using ACR. What I see is the original .nef as seen sooc.

1. Is this normal?

Mike
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Re: Opening NEF Files Edited in ACR

Postby SFA » Sun Feb 10, 2019 10:16 pm

Yes.

Likewise using ACR to open files edited in Capture One would not work directly.

You need an intermediate output file - commonly a TIFF file is used.


HTH.


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Re: Opening NEF Files Edited in ACR

Postby NN636139655180027490UL » Sun Feb 10, 2019 10:30 pm

Thanks, Grant. It's hard to say how long CS6 will work under future updates of Windows 10. Now might be a good time to create those .tiff files.

Mike
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Re: Opening NEF Files Edited in ACR

Postby SFA » Sun Feb 10, 2019 11:14 pm

NN636139655180027490UL wrote:Thanks, Grant. It's hard to say how long CS6 will work under future updates of Windows 10. Now might be a good time to create those .tiff files.

Mike


Maybe. For your absolute "must keeps to be just as they are".

On the other hand it's always fun to revisit old images with new approaches or new software ...

Either way - its only a matter of storage capacity and a little time, though TIFFs do tend to be large files.


Grant
Last edited by SFA on Mon Feb 11, 2019 1:17 am, edited 1 time in total.
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Re: Opening NEF Files Edited in ACR

Postby NN636139655180027490UL » Mon Feb 11, 2019 12:42 am

Good points, Grant,

Many of my "must keeps" are in their final stage like those from my model ship build logs. These will not be revisited. Others that are of a more personal nature, perhaps should be saved as they are.

I hadn't thought about revisiting old images in a new editor with a new approach. Could be fun.

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Re: Opening NEF Files Edited in ACR

Postby SFA » Mon Feb 11, 2019 1:25 am

NN636139655180027490UL wrote:Good points, Grant,

Many of my "must keeps" are in their final stage like those from my model ship build logs. These will not be revisited. Others that are of a more personal nature, perhaps should be saved as they are.

I hadn't thought about revisiting old images in a new editor with a new approach. Could be fun.

Mike


Maybe PSD files could have a life with other products - like Affinity Photo for example. Or flattened (as would be a TIFF file) even in Capture One.

For possible sharing, of course, jpgs can do a decent job at reasonable size for a final image.

However if you might wish at some point to return to an image and focus on specific details anew then access to the original file in RAW form (plus edits) may be most desirable.


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Re: Opening NEF Files Edited in ACR

Postby NN636139655180027490UL » Mon Feb 11, 2019 1:32 am

SFA wrote:
NN636139655180027490UL wrote:However if you might wish at some point to return to an image and focus on specific details anew then access to the original file in RAW form (plus edits) may be most desirable.Grant

Yes, that would be something to consider.

Any idea why uncompressed 8 bit tiff's created in Photoshop are 1/3rd the size as those created in CO for the same file?

Mike
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Re: Opening NEF Files Edited in ACR

Postby SFA » Mon Feb 11, 2019 2:34 am

NN636139655180027490UL wrote:
SFA wrote:
NN636139655180027490UL wrote:However if you might wish at some point to return to an image and focus on specific details anew then access to the original file in RAW form (plus edits) may be most desirable.Grant

Yes, that would be something to consider.

Any idea why uncompressed 8 bit tiff's created in Photoshop are 1/3rd the size as those created in CO for the same file?

Mike


Sorry Mike, no idea. I don't have Photoshop so have no way to compare what the processes are doing but compression and some other settings may be factors.

I rarely use tiffs but I do have a fair number from some film scanning a few years ago and they were always relatively large and used a lot of memory when opened.

A quick google found this.

https://havecamerawilltravel.com/photog ... mpression/

No idea how correct it is but it reads much like I have read before with this subject.

There may be some other factors overlooked in this article.

For example I believe is is possible to embed a "thumbnail" in a tiff file rather like a camera generated jpg file is embedded in a RAW file.

HTH.

Grant
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Re: Opening NEF Files Edited in ACR

Postby NN636139655180027490UL » Mon Feb 11, 2019 2:59 am

Thanks for the article link. I wasn't overly concerned about the file size differences, Just curious more than anything. Perhaps another forum member will know the answer.

Mike
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Re: Opening NEF Files Edited in ACR

Postby Christian Gruner » Tue Feb 12, 2019 6:41 am

NN636139655180027490UL wrote:
SFA wrote:
NN636139655180027490UL wrote:However if you might wish at some point to return to an image and focus on specific details anew then access to the original file in RAW form (plus edits) may be most desirable.Grant

Yes, that would be something to consider.

Any idea why uncompressed 8 bit tiff's created in Photoshop are 1/3rd the size as those created in CO for the same file?

Mike


My guess would be some kind of compression enabled in PS. Uncompressed there will be no notable difference.
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