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Photography

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.

62 questions
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1answer
76 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. ...
1
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1answer
81 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 ...
1
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2answers
88 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 ...
3
votes
2answers
85 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. ...
4
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0answers
195 views

Darktable embedded ICC profile in DNG

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 ...
2
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0answers
153 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 ...
1
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1answer
104 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 ...
2
votes
1answer
277 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 ...
2
votes
2answers
165 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 ...
2
votes
1answer
102 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....
0
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1answer
75 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 ...
0
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1answer
107 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?
2
votes
2answers
409 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 ...
0
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2answers
133 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 ...
5
votes
6answers
1k 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 ...
7
votes
2answers
1k 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 ...
3
votes
1answer
3k 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 ...
2
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3answers
265 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 ...
0
votes
1answer
98 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
304 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 ...
3
votes
1answer
470 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
63 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?
0
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2answers
945 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 ...
0
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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 ...
1
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1answer
459 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 (...
2
votes
2answers
613 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 ...
0
votes
1answer
510 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.
4
votes
2answers
240 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
votes
1answer
260 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 ...
3
votes
1answer
345 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 ...
3
votes
1answer
749 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 ...
2
votes
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 ...
3
votes
1answer
572 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 ...
0
votes
1answer
98 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 ...
2
votes
1answer
113 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?
3
votes
1answer
130 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, ...
3
votes
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 ...
6
votes
1answer
1k 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. ...
1
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3answers
2k 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+...
4
votes
1answer
559 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 ...
1
vote
1answer
1k views

Troubleshooting lightroom and corrupted dngs

I'm using Lightroom 5 on Windows 8.1. I have a ton of photos from a wedding gig a week ago. I've already gone through about 1/3 of them, rated them and done some basic adjustments to some. Yesterday ...
2
votes
2answers
204 views

Lossy, linear, 8-bit DNG colorspace technical explanation?

I read a few articles about lossy DNG, and here is a very technical thread for example: http://forums.adobe.com/message/4132283 I get what lossy means, but the other important aspect is that it's 8 ...
0
votes
3answers
10k views

Should I convert ARW to DNG? [duplicate]

This is with reference to the Sony NEX-5R. I have gotten into the habit of telling Lightroom to convert all ARW to DNG when I import them, in the hope that DNG, being an open format rather than a ...
1
vote
1answer
488 views

How can I change the pixel data in a DNG while keeping all the metadata?

I am looking for some free tools that will let me easily process the pixel data in a RAW file (DNG or NEF) while keeping the metadata untouched. Are there any such tools? Use case: I am ...
3
votes
2answers
458 views

How do I prevent photoshop shrinking my RAW files?

Converted a RAW image to DNG but photoshop resizes them from 30mb to 8.5mb ?
4
votes
2answers
602 views

Is there a feasible workaround for Leica M Monochrom DNG files with Apple aperture?

So far Aperture does not support Leica M Monochrom DNG's and the best way I have found to get the files into Aperture is to open the DNG's up in Adobe DNG, export them as TIFFs and import the TIFFs ...
5
votes
1answer
1k views

How to bulk convert Lossless DNGs to Lossy DNG outside Lightroom?

I like the new option of "Lossy DNG" to save some disk space on some of my files. Now I want to convert a part of my existing Lossless DNGs to Lossy DNGs. Lightroom can do that for a couple, but It ...
3
votes
1answer
1k views

How to get rid of dead/stuck pixels in a chdk generated DNG?

I am using a canon ixus 300 HS camera and configured it to shoot RAW (DNG) by using CHDK (version: 1.0.0-1825; latest build for ixus 300 HS). At first sight, all seems ok and the DNG's are generated ...
4
votes
1answer
1k views

Saving of Settings of NIK plugins (like Color Efex Pro) per photo

I use Color Efex Pro of NIK a lot. Sometimes just to try out a setting and to know how it looks without feeling the need to save all those huge TIFF files. There is a possibility to save settings but ...
12
votes
2answers
2k views

Why would one want to include the original RAW inside of a DNG?

I'm interested in starting to convert my photos to DNG instead of NEF, because it allows Lightroom to embed it's metadata into the actual files, and because the "fast indexing" feature makes ...

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