Can I use the camera created JPEG from RAW+JPEG as the Lightroom preview

Forum|Forum|7 years ago
March 14, 2018
2 replies
7431 views

Is there a way to utilize the JPEG created in-camera when capturing RAW+JPEG as the Lightroom preview? It seems like this would be faster and more accurate than Lightroom creating a new JPEG preview during import. I have researched this question and found no answer so I assume the answer is "no". But I'd like to know why not. Could this be a new feature?

Please don't reply with "Why are you using RAW+JPEG?" I have specific reasons for that workflow.

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Correct answer Todd Shaner

jbinco wrote
I was aware of that "Embedded & Sidecar" import option. What I am still not sure of is if the full resolution JPG recorded by the camera alongside a RAW is being used as the Lightroom preview when that option is selected. Or is it using the embedded? Or is it using the embedded if a neighboring "sidecar" JPG is not found?

Canon, Nikon or other cameras with a full-size preview in the raw file LR uses the embedded preview. For cameras with an embedded preview that is less than 50% of the raw image file's pixel dimensions here's what Adobe says:

Sony, Olympus, and Fuji cameras don’t have full sized embedded previews. In this case, Lightroom checks if the embedded preview size is 50% of that of the raw image. If not, the standard preview is created instead of reading the embedded preview. Create a jpg sidecar image along with the raw. If the image has the sidecar file, it’s being read for creating the preview in the Library module.

Todd Shaner

Legend

jbinco wrote
Is there a way to utilize the JPEG created in-camera when capturing RAW+JPEG as the Lightroom preview?

This feature was added in LR 7. In the Import module select 'Embedded & Sidecar' under 'File Handling. You'll see a double-arrow icon in the filmstrip indicating it is using the embedded preview. The first time you edit the file in the Develop module a new preview will be created.

JP Hess

Inspiring

Keep forgetting about that one. Do you still have to have that option checked in the preferences?

Just Shoot Me

Legend

https://forums.adobe.com/people/Just+Shoot+Me wrote
trshaner wrote
You only need to check the option in Preferences to "Treat JPEG images next to raw images as separate images" if you want to import both the raw & camera JPEG files. Fuji, Sony, Olympus, or any other camera don't embed a full-size preview. For those cameras you'll need to select 'raw + JPEG' mode in the camera's settings. LR will then use the imported camera JPEG file as the preview for the raw image file.
Actually I think you have that a little backwards.
If the option is checked to treat JPGs as separate files then they are treated as completely separate files and not associated with a RAW file of the same name.

Just Shoot Me I'm not seeing that behavior on my LR 7.2 Windows 7 system. When 'Treat JPEG images next to raw images as separate images' is checked and I Import raw+JPEG file pairs I see 'Fetching Initial Previews' task running above the Navigator AND the 1:1 Preview ZOOM view responds instantaneously. I see the same exact behavior when 'Treat JPEG images next to raw images as separate images' is unchecked so no difference. I tested both Fuji X-T1 and Sony A7R II raw + JPEG camera files.

https://forums.adobe.com/people/Just+Shoot+Me wrote
It is in those cases that the option to use either embedded or Sidecar for a preview that the JPG will be used.
And I think that is for any cameras RAW file. Whether or not the embedded JPG is large enough or not to use as a preview file.

I'm not sure how you can verify this behavior. My Canon CR2 + JPEG file pairs with 'Treat JPEG images next to raw images as separate images' checked look identical (i.e. they look the same). My guess in the case of Canon and Nikon camera raw + JPEG pairs LR uses the preview embedded in the raw file and not the JPEG file since they all embed a full-size preview. The only difference you might see is in JPEG artifact differences since you can select a higher-quality JPEG compression for the camera JPEG than what is probably used for the raw file's embedded preview. To be honest I can't see a difference at 1:1 Zoom View in ANY of my CR2 + JPEG file pairs using the 'Embedded & Sidecar preview' option.

https://forums.adobe.com/people/Just+Shoot+Me wrote
It also displays the RAW File Extension, if you have the File Name being display with the thumbnail View options, with a + sign then JPG.

I'm not seeing the +JPEG extension. Please provide a screenshot of the LR Grid View options you are using that displays it.

This is what I get with that option checked.

And with it Unchecked and the option to use Embedded and or Sidecar files selected for the previews.

There is an icon on the thumbnails saying it is using an Embedded Preview but when I was importing I did get a status bar at the top that said "Building initial Previews" or something like that.

I always have that option checked to treat the JPGs as a separate file but I rarely import JPG files unless they are from an Export or If my P&S camera is set to only record JPG images. Which I do sometimes.

I was using that Embedded option for a short time but then stopped and went back to Standard preview.

JP Hess

Inspiring

In the Lightroom preferences, there is an option to treat JPEG images next to raw images as separate images. If that option is checked then Lightroom will import both the JPEG and the raw image. However, the JPEG will not be used as the preview for the raw image. There is no way to provide that functionality.

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