Questions tagged [dng]

DNG is an open RAW format from Adobe, used by all Adobe product and is beginning to be used by additional products.

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Is converting CR3 raw images (Canon EOS R6) to adobes DNG for usage in Photoshop CS6 lossless and otherwise unobjectionable

I replaced my old camera with CR2 raw format a while ago with a new one (Canon EOS R6) with CR3. As soon as I shot the first pictures with it I had the problem that they could not be opened in ...
Jan_B's user avatar
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Looking for sample DNG files because of inconsistent color and forward matrices in mine

I've been reading this great article on how digital cameras convert raw data to sRGB images. In the last section (section 7) it discusses how Adobe's DNG converter does the conversion using color ...
mpr's user avatar
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Why do some DNG pictures from chdk have a purple tint?

I started using chdk recently to take pictures with my Canon Powershot sx280hs. When I started saving high ISO pictures in the DNG format, a few pictures would come out with a purple/pink/blue tint to ...
the dumbest of baboons's user avatar
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1 answer
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Are RAW files from iPhone different to ones from Android?

Recently reading how great Apple ProRAW DNG files are. Combining all the informations from stacked photos, wide dynamic range, noise reduction etc... My experiences from Android RAW photo's are far ...
JZK's user avatar
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2 answers
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Copy DNG/XMP metadata

Years ago I scanned about 1000 negative photos. Now I have purchased a new negative scanner and rescanned all of my negatives. Is there any way to copy metadata from the old DNG/XMP files to the new ...
Astronaut's user avatar
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596 views

Which DNG version is supported by Lightroom 5.7.1?

After buying a new camera I realized that Lightroom 5.7.1 (Adobe stopped to sell permanent licenses, so I did not (and won't) upgrade) would not recognize the newer RAW format (Panasonic Raw Version: ...
U. Windl's user avatar
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3 answers
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Synology app reduces DNG file size

I have a new iPhone which allows photos to be stored in RAW. I also use a Synology NAS and their DS Photo app to automatically copy photos taken on the iPhone to the NAS. I notice however that the ...
slingeraap's user avatar
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Artifacts between yellow and white of DNG image

I have problems with DNG to TIFF conversion. When converting via Photoshop Camera Raw, there's a weird artifact on my yellow wall. What seems to fix it is changing the tint but it messes up the colors ...
Desultore's user avatar
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2 answers
326 views

Sharing Lightroom images in DNG with ability to undo/redo edits in another application?

I am contracted to receive a bunch of images from a photographer who has made edits to many of the images. The photographer has exported a sample DNG file with me from Lightroom Classic 10.2 and I was ...
Topdown's user avatar
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Find and delete DNG converted duplicates

I recently managed to recover my old hard disk where I found my original CR2 and NEF files that I had later moved to a new computer and converted to DNG to earn a little bit more disk space, deleting ...
gio91ber's user avatar
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Directly editing raw data in a DNG file prior to development

I want to blend two DNG shots additively (emulating multiple exposure) and use RawTherapee to develop the result with its full spectrum of raw processing functionality. What options for such DNG ...
Anton Strogonoff's user avatar
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615 views

Edit RAW DNG data without demosaic

Is there any software to edit RAW DNG pixel data without demosaic, and save changes directly to RAW?
jsmith's user avatar
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Wrong DNG colors but correct JPG. How can I "transfer" correct colors to the DNG?

I have a Fimi X8 SE drone and it has a RAW DNG (+ JPG) capture mode. The only downside to this is that the DNG files are somehow "broken" because all colors seems to be wrong. Strong magenta ...
bmx22c's user avatar
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1 answer
287 views

Is there a way to work both with DNG's and XMP sidecar files?

I'm looking into converting my Canon RAW files (CR2) to lossy DNG purely due to storage limitations. I only shoot RAW and in my country storage (physical or cloud) can still be pretty expensive. I ...
adamasan's user avatar
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How to perform lens shading correction given downsampled lens shading map

I'm working with the HDR+ Burst Photography Dataset. The burst RAW images are provided in DNG format. For each image, an additional low-resolution floating point lens shading map (encoded as .TIFF) is ...
Neb's user avatar
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5 votes
3 answers
928 views

Is there a way to change the aspect ratio of a DNG file?

I am shooting raw DNGs through an anamorphic lens that squeezes my image by a factor of 1.33 in the horizontal direction. I can easily correct the aspect ratio by opening the image in Photoshop and ...
Ubiquitous's user avatar
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131 views

How to render only cut out area of DNG-file using dcraw?

I used Camera Raw 8 to cut out an area of a DNG-file and saved the cropped image as a DNG-file again. I want to convert the cropped DNG-file into different TIF-files with different color profiles and ...
Hans Müller's user avatar
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2 answers
889 views

conversion from RAW to DNG (Adobe RAW) leads to unwanted crop

I am currently re-designing by photo-workflow and my plan so far is to convert the RAW-files from my Sony camera (which produces Sony's RAW, ARW) to DNG-format (which is Adobe's RAW). I use Adobe's "...
sephiroth's user avatar
2 votes
4 answers
3k views

How do I find out whether TIF images have gamma correction or not?

I have several DNG image files, recorded with an LGE Nexus 5X using Open Camera for Android as camera app. For further image processing i converted the DNG files to TIF files using Camera Raw 8 and ...
Hans Müller's user avatar
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1 answer
2k views

Why doesn't Adobe DNG converter recognize files from my new camera?

I want to convert ARW files of A7III in adobe DNG converter but unable to do it. It is showing a prompt that no raw file is present in containing folder. But works perfectly with my A7SII raw files. ...
Utkarsh Mittal's user avatar
1 vote
1 answer
404 views

Starring a DNG image in Photo Mechanic causes Adobe Camera Raw to forget edits

I use Photo Mechanic and Adobe Camera Raw. I convert my RAW files to (locked) DNGs. I then cull these DNGs in Photo Mechanic, and then I edit them in ACR, which creates a sidecar XMP file. If I later ...
Aram Hăvărneanu's user avatar
1 vote
2 answers
430 views

RAW (.dng) on my Phone (OnePlus 5) vs on Picasa 3 (Noisy)

I recently took a long exposure shot of the sky at night on my OnePlus 5. The RAW image when viewed on phone turned out to be great, pitch black sky and white-red-blue stars! Pretty excited, I decided ...
Chaitanyaraj Jadeja's user avatar
4 votes
2 answers
328 views

How can I interpolate each color individually (i.e. export an image just with Red Color) using dcraw?

I'm doing a project where I need to export 3 different images from a raw file (DNG or RAF), each image with a different color (Red, Green and Blue). I'm using dcraw.c, Dave Coffin's raw photo decoder. ...
Nuno Tavares's user avatar
5 votes
0 answers
1k views

How to embed ICC profile in DNG so darktable will use it?

I am experimenting with linear raw DNG and ICC profiles with Darktable. The DNG files are the result of scans using VueScan. I can add the scanner's ICC profile to the DNG. But when I open it in ...
starfry's user avatar
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3 votes
0 answers
238 views

What apps can fully load 32-bit floating point DNGs?

Lightroom Mobile's HDR feature produces a somewhat uncommon type of DNGs - 32-bit floating point ones. I tried loading one into Photoshop. I was presented with an Adobe Camera Raw window where I ...
Stefan Monov's user avatar
1 vote
1 answer
241 views

How to strip iPhone DNGs of preview JPEGs?

It has been hypothesized elsewhere that the reason why OS/X Preview program presents Apple iPhone DNGs in such a way that they look inaccurate (i.e. "bad") vis a vis the actual objective scene details ...
iSelfy's user avatar
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2 votes
1 answer
557 views

What demosaic algorithm is best for DNG to B&W conversion?

I figure that at some point someone has devised a demosaic algorithm that is optimal for converting a Bayer DNG to a B&W photograph. But what is that algorithm called, and what image processing ...
iSelfy's user avatar
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2 votes
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422 views

Regenerate DNG previews in Lightroom 3

I'm apparently entitled to unlimited storage with Amazon (Prime Photos) and I've uploaded all my DNG images (about 20GB) to their "cloud". When I view them online, they are tiny. Apparently that's ...
sporker's user avatar
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Converting older, existing dng through adobe dng converter?

All of my photos (cr2 raw) are converted to dng during import into Lightroom 5.71. I was just wondering if there would be any benefit to running my existing dng's through the free Adobe dng converter....
Jedasa's user avatar
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1 answer
95 views

How do Adobe Smart Previews work?

I've always been under the impression that you cannot resize a raw image. Adobe Smart Previews seem to do just that - you keep all the power of raw images, just in a much smaller size. How does this ...
cadlac's user avatar
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1 answer
164 views

Is it possible to convert M-RAW or S-RAW to RAW after shooting?

Is it possible to shoot M-RAW or S-RAW files with all their advantages and convert them into RAW files later? Is there software available for this task?
Ion Sastras's user avatar
2 votes
2 answers
808 views

Does Lightroom actually rewrite the *ENTIRE* DNG file on every metadata change?

When Lightroom saves metadata changes to a DNG file, does it: A) Just rewrite the XMP/metadata portion of the DNG file to the existing file, i.e. a partial file update. or B) Overwrite the entire ...
LaVache's user avatar
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2 answers
149 views

16-bit wysiwyg image? Not RAW [duplicate]

I like the dynamic range of RAW files, but I don't want raw sensor data, but I don't want 8-bit jpegs. What can I do to get the desired result? Request camera manufacturers to allow TIFF file ...
CQM's user avatar
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5 votes
6 answers
2k views

Why is Lightroom changing all the settings on my imported RAWs?

I'm importing pictures into Lightroom, and the NEF files look great at first glance when imported into Lightroom, but in a while the program changes all my pictures to super bright and just awful ...
ANDREA's user avatar
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9 votes
2 answers
5k views

How and why does VueScan's TIFF and DNG output differ?

The vuescan application supports saving scans DNG and TIFF format which can be processed and/or what it calls raw. I would like to understand the differences between the formats to help decide the ...
starfry's user avatar
  • 403
4 votes
2 answers
5k views

How can I preview DNG files in OS X Finder, with changes?

Can I somehow get my DNG files to preview in Finder with my applied changes? I write my changes to the DNG metadata, but Finder previewer is not able to pick up on those, even though it does preview ...
Johan Dahl's user avatar
2 votes
3 answers
478 views

Do phone cameras expose to the right?

When I take a RAW photo on my Nexus 5x, I got an overexposed photo: Here's the in-camera JPEG for comparison, which is properly exposed: Do smartphone cameras generally expose to the right? I've ...
Kartick Vaddadi's user avatar
0 votes
1 answer
178 views

DNG Compatibility in Adobe Lightroom

In Adobe Lightroom CC 2015.3, Preferences -> File Handling -> Compatibility, I have "Camera Raw 7.1 and later" selected. After importing RAW files, for example a few Sony's ARW RAW files, via Import ->...
Ray Shan's user avatar
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1 vote
2 answers
473 views

Is There Any Way To Maintain Link Between Lightroom DNG And Photoshop?

I am fully aware I can open a Lightroom DNG in Photoshop or Open a Lightroom DNG as a Smart Object In Photoshop, however in both cases the link between the original DNG and the Photoshop file is ...
Undistraction's user avatar
4 votes
1 answer
656 views

Lightroom: how to import GPS location when adding DNG after JPG?

I do have the following problem: I imported many pics as JPG files, which contain GPS metadata and created collections etc. Now I added the corresponding DNG files so that Lightroom merges them. The ...
sibbl's user avatar
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1 vote
0 answers
98 views

Do I lose dynamic range or detail when converting from CR2 to DNG? [duplicate]

I have CS5.1 which does not support Canons RAW format using Camera RAW on a 60D, so I must change to DNG format before using CS5.1 Do I lose any quality or dynamic range from this conversion?
Barney Chambers's user avatar
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2 answers
1k views

Google Photos Backup DNG file with low quality [duplicate]

Using the desktop google photos sync app, JPG files sync with resolutions like 2992x2000, and NEF files like 3008x2000. But with DNG files, only 1024x683? Tried to download the file to see if it's ...
bennydanny's user avatar
0 votes
2 answers
5k views

Why do DNGs only show in low resolution on Google Photos?

Through my NAS at home I store and backup all my photos on Google Drive. These photos also show up on Google Photos. I use Lightroom and convert all photos to DNG when copying to my NAS. When I look ...
Martin Larsson's user avatar
1 vote
1 answer
763 views

I'm getting a green tint converting my Nikon NEF RAW files to DNG

I have a Nikon D5300 This problem just started this week, never happened before. The problem: Everytime I convert a NEF file to a DNG the picture gets a green tint Im using Adobe DNG Converter (...
Esteban Gutiérrez's user avatar
2 votes
2 answers
736 views

In OSX, why don't my Panasonic and Olympus DNG files have thumbnail icons?

I've shot with Nikon, Olympus, and Panasonic so I'm familiar with all their proprietary RAW formats that each uses. I'd like to convert all my RAW files to DNG and then use that on import into LR ...
pcgould's user avatar
  • 31
0 votes
1 answer
715 views

Should I store RAW file or DNG for backing up [duplicate]

I have decided to store my photos for back-up. I am struggling with file type. Should I store the RAW file that comes from camera or DNG file where all my editing has been stored.
jquery404's user avatar
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4 votes
2 answers
314 views

Understanding Lightroom/ACR Exposure Non-Linearity

Looking at the DNG SDK (v1.4), I found that the exposure operation is implemented as a 1D function, with a small non-linearity in the very low part of the dynamic range for positive exposure values, ...
Ben-Uri's user avatar
  • 171
4 votes
1 answer
337 views

DNG updates settings in the file itself?

I do know that fiddling with stuff in LR is non-destructive to the original raw data, as only the settings themselves are changed. With CR2 files, LR writes an XML file with the same base name, and ...
JDługosz's user avatar
  • 4,382
3 votes
1 answer
625 views

How is it that DNG files are smaller?

Adobe points out that DNG files are smaller. For my CR2 files that I tried (from a Canon 70D), that is indeed the case and the originals are >14% larger than the converted. (Later, I found that the ...
JDługosz's user avatar
  • 4,382
3 votes
1 answer
770 views

Sony a7 raw files converted to DNG won't open in non-Adobe applications

I have accidentally converted some of my RAW files into DNG while importing to Lightroom. Normally this is not a problem as most photo applications open DNGs as well. My issue is that whatever photo I ...
retrography's user avatar