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LrC export generates files smaller than the original CR2 raw files.

Engaged ,
Mar 01, 2024 Mar 01, 2024

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Hi All,

I'm having an issue only with photos from one particular shoot. I'm doing nothing different than I always do, which is processing thought LrC, but my end JPEGs are too small for Adobe Stock to upload successfully.  I'm including screen shots of my export settings, the navigator window with both the raw file and the tif @200%, plus the entire photo so you can see it has not been cropped. I did take out some blemishes in Ps, but I always do that and the files more than meet Stock's minimum size requirements. Please help me 😃

FYI, I've only been doing this for about 9 months so please be gentle as I'm definitely still learning.

Thanks, in advance 😃

 

[moderator modified the subject for clarity. It was “What's Happening.”]

 

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Community Expert ,
Mar 02, 2024 Mar 02, 2024

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When you say the JPGs are too "small" for upload, in what sense do you mean that? Are you getting rejection on grounds of filesize specifically, or picture resolution, or is it something more vague? 

 

And just in case it may be a factor: do you have any Postprocessing operation selected in that part of the Export settings - which is lower down, not seen in your screenshot.

 

Last, is it possible these exports were being made at a time when the camera original was considered unavailable by the Catalog? For example, if that folder had been externally renamed or moved "behind the Catalog's back" those photos would go offline so far as it was concerned. They might still remain editable, and exportable, by falling back to a Smart Preview though. That Smart Preview includes only roughly screen-resolution to export from typically much less, than the full-resolution of the camera original.

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Engaged ,
Mar 02, 2024 Mar 02, 2024

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Thanks for responding.

The site says the "file size is too small" files must be at least, blah, blah, blah.

No to your last two paragraphs. I completed several images from that batch with no issues, but there are several with the file size issue. I give up! 

I've kind of given up and just imported it again.  Sometimes we just have to suck it up and do the work again.  Electronics--can't live with 'em and can't live without em.

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Community Expert ,
Mar 02, 2024 Mar 02, 2024

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I don't use Adobe Stock, but on this help page it says:

 

  • Image format: JPEG 
  • Color space: sRGB
  • Minimum image resolution: 4MP (megapixels)
  • Maximum image resolution: 100MP (megapixels)
  • Maximum file size: 45MB (megabytes)

 

Your image seems to 2048 x 1365 pixels, which is 2.79 megagpixels – less than the required 4 megapixels.

 

image.png

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Community Expert ,
Mar 02, 2024 Mar 02, 2024

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It is being custom named stating those dimensions (not sure why) and I agree such dimensions would be unsuitable spec for the usage if implemented. But since the JPG export setup applies no such resizing, the output should reflect the full original resolution of whatever file was its source.

 

The OP has since explained that re-importing the same image could produce an acceptable export. So there cannot have been a deficiency there, and the JPG export settings do look OK.

 

One possibility: perhaps an intermediate file (TIFF or PSD) was made for Photoshop editing (or whatever); and IF this was for whatever reason reduced in its pixel dimensions during editing - or as cropped for its creation; and then IF this derived version had been the source for the problematic JPG export, even exporting 100% of that derived version without any further cropping, would be smaller than the camera original resolution. That's all that occurs to me now: suggested by the (IMO unexpected) export renaming seen in the screenshot.

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Community Expert ,
Mar 02, 2024 Mar 02, 2024

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quote

I don't use Adobe Stock, but on this help page it says:

 

  • Image format: JPEG 
  • Color space: sRGB
  • Minimum image resolution: 4MP (megapixels)
  • Maximum image resolution: 100MP (megapixels)
  • Maximum file size: 45MB (megabytes)

 

Your image seems to 2048 x 1365 pixels, which is 2.79 megagpixels – less than the required 4 megapixels.

 

image.png


By @Per Berntsen

OP has a LrC problem with exporting, not a stock problem. The stock issue comes up only because the export generates files that are too small for stock. But that is known.

ABAMBO | Hard- and Software Engineer | Photographer

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Community Expert ,
Mar 02, 2024 Mar 02, 2024

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When you say the JPGs are too "small" for upload, in what sense do you mean that? Are you getting rejection on grounds of filesize specifically, or picture resolution, or is it something more vague? 


By @richardplondon

Sorry for answering your questions to OP. OP initially posted the problem description in the contributor forum. The issue is simply that in LrC the export to JPEG generates a file that is pixelwise smaller as the original CR2 raw file. The consequence of that is that the files are to small for uploading to Adobe stock (the minimal size is 4MP).

 

I followed up the initial post of the OP in the contributor forum, decided that it was an LrC issue and moved the post to the LrC forum. OP created a new post (this one), and I now merged the original thread with this one.

ABAMBO | Hard- and Software Engineer | Photographer

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Engaged ,
Mar 21, 2024 Mar 21, 2024

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LATEST

The good news is I gave up and re-imported the RAW file, reprocessed and submitted. Everything worked fine the 2nd time around and it has been in my portfolio for several weeks. I will always attribute the issue to some type of glitch. As far as I'm concerned, case closed!

 

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Engaged ,
Mar 01, 2024 Mar 01, 2024

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Hello All,

Something strange appears to be happening to the photos in one of my shoots. I'm tired of being confused, haha! Thank you in advance for telling me why, as I am sure someone will know? FYI: I'm doing everything as I always do, including export settings.

The first is my Cr2 and the second is edited, with dramatic differences in the files, despite virtually zero cropping.

Thanks in advance 😃

 

Sorry, I should have posted a screen shot instead of saying I'm doing nothing different than I ever do. LrC: This shoot is the only batch I've had this problem with, but I changed nothing at all about my process!!!

 

[Moderator moved the thread to the correct forum]

[Moderator merged this with a follow-up post]

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Community Expert ,
Mar 01, 2024 Mar 01, 2024

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FYI: I'm doing everything as I always do, including export settings.

 


By @ImaRetiredTeacher

This is the problem. You really should check thoroughly your export settings for the second asset. How do you export? Lightroom, Photoshop, Bridge? Other utility?

 

If you are using Bridge with Adobe Camera Raw, check here:

Abambo_0-1709293896788.png

(Footer of ACR. That parameter is sticky.)

Abambo_1-1709294028806.png

 

 

ABAMBO | Hard- and Software Engineer | Photographer

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Engaged ,
Mar 01, 2024 Mar 01, 2024

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Please see addition to my initial post 😃

 

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Community Expert ,
Mar 01, 2024 Mar 01, 2024

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How did you do your processing? LrC (parameters) → Photoshop or different app (cleaning up) → LrC (export)?

 

I just think that it is not possible to export, and the exported file is smaller than the source file if there is no resize.

Are you sure that you are not working with the Lightroom preview picture, as the connection to the original file got lost?

ABAMBO | Hard- and Software Engineer | Photographer

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Engaged ,
Mar 01, 2024 Mar 01, 2024

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Would it still say Cr2?

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Community Expert ,
Mar 01, 2024 Mar 01, 2024

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@ImaRetiredTeacher wrote:

Would it still say Cr2?



Yes, probably. The icon would be marked with a “?”.

ABAMBO | Hard- and Software Engineer | Photographer

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Engaged ,
Mar 01, 2024 Mar 01, 2024

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No ?

I promise I'm doing nothing different, except beating my head on the wall over this problem. Any idea why my file sizes are sometimes measure in KB and other times MB?

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Community Expert ,
Mar 01, 2024 Mar 01, 2024

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Any idea why my file sizes are sometimes measure in KB and other times MB?


By @ImaRetiredTeacher

0.12 Mb would not be the same as 120kb. That's the only reason. The size in kb (or Mb) is not relevant to your problem. You will need to find out why the size in pixels is smaller with the export. And that can only be if the export settings at some stage determined that.

ABAMBO | Hard- and Software Engineer | Photographer

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Engaged ,
Mar 01, 2024 Mar 01, 2024

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Engaged ,
Mar 01, 2024 Mar 01, 2024

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Ha! I just realized it's on 240, instead of 300. Don't know how that happened, unless things change during updates?

 

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Engaged ,
Mar 01, 2024 Mar 01, 2024

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Nevermind, I forgot to save as JPG

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Community Expert ,
Mar 01, 2024 Mar 01, 2024

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Ha! I just realized it's on 240, instead of 300. Don't know how that happened, unless things change during updates?

 


By @ImaRetiredTeacher

Set it to a value as you want, but 300 or 240, both are fine and have no influence on the file size in pixels. For photographers, this parameter is more confusing than useful. Desktop publishers will need that, and starting with 300 ppi is great for them.

ABAMBO | Hard- and Software Engineer | Photographer

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Community Expert ,
Mar 01, 2024 Mar 01, 2024

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I will move this post from the stock contributor forum to the Lightroom Classic forum.

ABAMBO | Hard- and Software Engineer | Photographer

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Engaged ,
Mar 01, 2024 Mar 01, 2024

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Thanks

 

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