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Questions tagged [dng]

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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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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 ...
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62 views

Will given PP3 profile produce identical results if applied to DNGs from different cameras, if appropriately calibrated DCP is substituted for each?

Say I have a PP3 profile A that specifies: Well-calibrated DCP profile for camera X Various additional settings on top of that (curves, Lab, CIE CAM, exposure adjustments, a Hald CLUT) When I apply ...
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4answers
98 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?
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114 views

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 ...
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101 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 ...
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150 views

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 ...
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2answers
340 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 ...
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1answer
66 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 ...
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2answers
506 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 "...
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4answers
965 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 ...
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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. ...
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250 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 ...
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2answers
240 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 ...
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2answers
169 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. ...
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546 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 ...
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175 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 ...
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1answer
138 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 ...
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1answer
390 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 ...
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2answers
261 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 ...
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1answer
121 views

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....
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1answer
87 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 ...
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1answer
136 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?
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2answers
610 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 ...
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136 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 ...
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6answers
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 ...
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2answers
3k 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 ...
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1answer
4k 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 ...
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3answers
366 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 ...
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1answer
136 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 ->...
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2answers
410 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 ...
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1answer
525 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 ...
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0answers
86 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?
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2answers
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 ...
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2answers
4k 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 ...
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1answer
574 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 (...
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2answers
671 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 ...
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1answer
588 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.
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2answers
257 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, ...
4
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1answer
282 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 ...
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1answer
483 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 ...
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1answer
758 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 ...
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3answers
2k views

DNG converter doesn't convert, Photoshop CS2 doesn't open DNG

I am working on OSX 10.6 (Snow Leopard) with Photoshop CS2. I want to open RAW files from a Sony-RX100. The Adobe help page says I need the DNG converter 7.2 to convert RX100 RAW files into DNG. To ...
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1answer
626 views

What are the pros and cons of saving as DNG in camera and saving as proprietary RAW and convert in lightroom in post?

I'm using the DNG format in my workflow and are going to use a friends camera for my next photo shoot. It's a Pentax 645D and it can save the images as both DNG and PEF. I will convert my images to ...
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1answer
101 views

Is there a better DNG workflow for monochromatic-lit scenes to produce B&W images with more detail?

I am going to take a few photos of hardware for documentary purposes; unfortunately the only light available is monochromatic (think of low pressure sodium-vapor lamp). This is not really a big ...
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1answer
127 views

Is it possible to extract a JPEG that has been converted into DNG?

It's possible to convert JPEG's to DNG in Lightroom. Is it possible to extract the original JPEG again after conversion (a 1:1 identical copy to the originally imported one) later on?
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1answer
151 views

Can edits from multiple photo editing programs be saved in the same DNG?

When using the traditional sidecar approach, multiple programs can edit the same file as the edits are saved as instuctions outside of the RAW file itself. As long as the sidecar file isn't shared, ...
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2answers
1k views

Can I save multiple Lightroom virtual copies (the whole stack) in a single DNG file?

This question is similar to Is there any way to save the develop settings of a virtual copy in Lightroom?, but tackles an adjacent problem. When handling multiple virtual copies of a DNG file the ...
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1answer
2k views

When RAW files are converted to DNG, are any irreversible demosaicing happening or not?

I know this almost touches some other questions already asked here, but it's actually aligned a bit different. This is not about DNG vs RAW, rather just about the demosaicing step in the conversion. ...
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3answers
3k views

Lightroom 5. “Convert photo to DNG” then “Save metadata to file”?

In my workflow, I import - select - keyword - retouch - rename - and convert .nef photos to .dng. Then I archive all images. If then I retouch again my dng in the develop module, do I need to 'Ctrl+...
5
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1answer
713 views

Can I embed existing JPEG's into DNG's as a preview?

Using CHDK with my Canon A550 I get DNG files that do not have an embedded preview image only a very small thumbnail (see this question). However, alongside the DNG a full resolution JPEG file is ...

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