Camera Raw: Wrong camera profile in Fujifilm Finepix HS20EXR (ACR/DNG 7.3)

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  • Updated 5 years ago
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When importing RAW files from my camera (Fujifilm Finepix HS20EXR), Lightroom 4.3 apparently applies pre-settings like exposure corrections or lens corrections (previews are initially shown as they should but after few seconds previews and final images are changed). All presettings on importing pictures are of course disabled.
I have the same issue when using Adobe DNG Converter 7.3 hence I believe this is an issue with my camera profile used by Camera RAW
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Luca Buzzoni

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  • very frustrated

Posted 5 years ago

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jdv, Champion

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I think you might just be seeing the previews being generating upon import. Lr will show you the embedded preview briefly before generating its own. Generally, Lr ignore the embedded preview.

Lens corrections are not part of this preview generation, so I doubt this is actually being applied. It might just appear to be so because the exposure is changing a bit (in terms of a baseline that Lr creates based on the raw data.)

If you do not have a develop preset as part of the import, all Lr will do is create a preview based on the profile it has chosen.
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Steve Sprengel, Champion

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A raw file contains raw sensor data. Nikon renders that raw data into an image one way and Adobe rendering the raw data into an image another way. Each is an independent company not knowing exactly what the other does to create an image from the raw data.

The very first thing you see upon Import is a camera-embedded jpg preview, which has the look of the jpg if you were shooting jpg instead of raw. As soon as LR has computed the Adobe rendering according to whatever LR defaults and any develop preset you are applying at import time, that initial preview is replaced by LR's preview which shows the Adobe rendering and that look continues to the final image.

The initial view is not as things "should be" and is replaced by something that is "wrong" using the wrong camera profile One is just the Nikon way and the other is the Adobe way of interpreting the raw data. Adobe does supply camera profiles prefixed with the word Camera, like Camera Standard or Camera Vivid that are more similar to the Nikon rendering than Adobe Standard, but they will still not be the same.

One of the biggest things that will make the Nikon and Adobe renderings look different is if you have ADL set on the camera, if that is what "Dynamic Lighting" is called, where the camera automatically adjusts the toning to compress highlights and lighten shadows, similar to what you can do by manually adjusting the sliders in LR. To be able to compress the highlights, the camera is shooting things darker and then digitally boosting the darker portions of the image more than the brighter portions. This will make the initial image in LR darker than the initial preview you see from the camera. Turn ADL off and any custom curves you might have loaded in camera. These will only affect the camera jpgs, not the Adobe rendering, and will just be confusing.
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Dorin Nicolaescu-Musteață, Champion

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Luca what is the Dynamic Range set to in your camera?

Take a look at this post http://feedback.photoshop.com/photosh...
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Luca Buzzoni

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I am aware the preview I initially see is just a small jpg preview produced by the camera which is then replaced by a preview of the actual imported raw file. Still I expect the initial preview to be very similar to the actual one (ideally they should be the same) while they are very different. Three biggest differences are:
1. exposure (the imported raw image is much darker then the one taken by the camera)
2. vignette (some images show a strong vignetting not present when taking the picture)
3. lens correction (some images are very distorted - see attached example)
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Dorin Nicolaescu-Musteață, Champion

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Wow. That's quite some distortion. Can you share the file?

P.S. What about the DR setting (see my comment above)?
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Steve Sprengel, Champion

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To share a file, use www.dropbox.com or similar service and post the public download link.

The DR setting affects how dark the camera actually exposes the images before it processes this data in camera to produce the JPGs that are bright enough. LR is only going to see the raw sensor data, not the in-camera processing.

As far as the lens-distortion for some images, are you sure you don't have LR defaults accidentally (or purposely) set differently for different ISOs and those defaults have non-zero values for distortion and vignetting, or perhaps even have an incorrect lens profile applied?

Others being able to look at the file would help determine if the issues are related to your system/LR settings or whether anyone with LR will have the issue--which is more and Adobe problem.
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Dorin Nicolaescu-Musteață, Champion

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Luca, did you have a chance to read our comments?
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Luca Buzzoni

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Yes, sorry for the late reply.
DR on my camera is set to "Auto".
As for lens distortion, I checked and it is not related to accidental settings in LR (even because I get the same effect with the same image(s) when trying to convert using Adobe DNG Converter (which does not allow to set any particular converting settings, for what I know).

One last thing: I think I remember that LR 4.1 didn't show these issues (but I am not completely sure as I only had it installed for few days before updating to 4.2 and then 4.3 and haven't tried to uninstall LR 4.3 and reinstall LR 4.1 to see if this is the case).

I'll try to share the RAW file as soon as possible via Dropbox.

Thanks!