Questions tagged [raw]

RAW refers to any of several native data formats that contain the full data captured by the sensor. Typically these are proprietary formats, and each company uses its own.

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1answer
255 views

What are the benefits of CR2?

Once friend made few photos for me. Park, people have rest. Friend gave me photos. Every photo was in two formats - TIFF and CR2. TIFFs I use for editing, storage. From TIFFs I make JPEGs for blog. ...
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136 views

Is there a valid reason not to choose C-RAW format in recent Canon cameras?

With its new cameras, Canon is introducing a C-RAW compressed RAW format. The compressed RAW files can be processed on the computer in a manner as flexible as with losslesly compressed RAW files. ...
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192 views

How can I edit this RAW image to get the much superior JPG image?

This is a small detail from picture that was taken by a cheap SX Canon in low light (ISO 100 0.8sec f/5). Maybe also the (auto) focus isn't good enough. The Jpeg (upper) is much more readable. How ...
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how to send an edited RAW photo to a lab for processing without it automatically being converted to jpeg & loss of data

How to send an edited RAW photo to a lab for processing without the RAW file automatically being converted to jpeg & loss of data.
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1answer
58 views

Canon DPP 4 - copy/apply white balance settings

I have two shots made with automatic white balance setup (AWB) in artificial light conditions. I like how the camera evaluated the white balance in the picture with white paw, I like how green color ...
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1answer
80 views

Colors consistency between RAW pictures for timelapse in Darktable

Why do I get different colors while applying the same exact history to every pictures in Darktable. It was my understanding that the white balance setting of the camera didn't matter to a RAW file and ...
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3answers
410 views

Are RAW images really RAW? [duplicate]

I am trying to find references on processing carried out inside the camera before the image is stored in RAW format. I am quite sure that some denoising is performed at the hardware level after the ...
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3answers
1k views

CR3 Format in darktable

Since I can't afford Lightroom, I figured I would use darktable. As I wanted to import my RAW - files (in CR3) I realized that darktable doesn't support them. Is there a way I can still get my RAW - ...
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1answer
87 views

Why does Windows Photo App show a “bad” version of a .RAF photo before it “pops” into a much better version?

I'm shooting with a Fujifilm X-E2 with an XF35mmF2 "R WR" lens by Fujifilm, in .RAF format. When I open a photo in Windows Photo, it looks pretty terrible, with washed out colors and terrible ...
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1answer
144 views

How big is an AF-Point in a Nikon camera?

I have a Nikon D7500 and am looking for information regarding the size, in pixels, of each individual AF-Point in the 51-point AF system. When stored in NEF files, Nikon references their AF-points in ...
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2answers
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Raw therapee lens/geometry correction Sony a6100

I recently bought my first "real" camera, a Sony Alpha 6100 (Sony ILCE-6100). I select that both, .jpg and .arw should be stored. When I compare the .jpg and the .arw picture the geometry looks a bit ...
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5answers
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What picture control to use while shooting RAW files

Many advices say RAW files are not affected by picture control. However, when shooting, LCD shows preview according to picture control selected. So, in practice, when I shoot with flat mode set, ...
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2answers
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What exactly a Raw Image format encodes? [duplicate]

Ok, I have in mind that a picture P can be represented by a two dimensional matrix A where each element of A (aka every pixel) is a vector with four coordinates (Red,Green,Blue). What extra stuff is ...
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2answers
345 views

Darktable: apply camera's filters, lens correction and crop by default in darkroom mode

I have a Sony Alpha mirrorless camera. When I preview my photos from the lighttable, they look like they do on the camera. But when I open in darkroom, the aspect ratio, lens correction and color ...
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1answer
134 views

Can not open the RAW files of my new Canon 800D (t7i)

A copule of months ago I got a new camera the canon 800D (t7i), and windows can not open the raw files (.CR2) from the camera, I've tried installing the official canon raw codec and windows still can'...
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2answers
128 views

what is the cause of halo around dark objects (non-HDR)

This problem occurs often with scenes that have trees with the sky behind. I tend to raise the shadows and reduce the higligts (in RAW) to get a more pleasing image, I believe this is a normal thing ...
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3answers
209 views

How do cameras convert colorful noise to colorless?

Modern phones have some amazing processing of the data from their cameras. For example, the raw image below of a sculpture in a park after sunset (demosaiced using IGV method in RawTherapee and ...
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1answer
76 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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1answer
449 views

Uploading RAW files from iPhone using Google Photos

I transfer my ARW raw files from my Sony Alpha 7iii to my iPhone 11 Pro (iOS 13) using the Apple SD card reader and can successfully see the full quality RAW files on my phone (verified by plugging my ...
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1answer
257 views

How does Dual Pixel Raw work

My Canon EOS R has a feature called Dual Pixel Raw. From my understanding, each pixel on the sensor is split in two and the stored as two parallel Raw files in one "physical" file. Specialized ...
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4answers
555 views

Is all RAW data preserved when editing photo in Photoshop?

It is possible to edit RAW ("undeveloped") photos in Adobe Camera Raw but what if I open the photo in Photoshop's main windows and then apply the Camera Raw Filter instead? Do I still have all the ...
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1answer
120 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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1answer
160 views

Automate Develop persona in Affinity Photo 1.7?

I am processing a bunch of RAW images in Affinity Photo v1.7 (on OS X), and for each photo I want to perform the same adjustments. I have looked in all the usual places for repeating my steps but so ...
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2answers
84 views

Emulate Shutter Duration on RAW Photos using Exposure Stacking

So I've been on this problem for about a year now and haven't been able to solve it. I gave up on it a while back, but now I'm researched up and ready to get an answer. I'm trying to fake a long ...
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0answers
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Damaged CR3 files saved by Canon M50 and then saved again correctly

While importing photos to Lightroom I got a somewhat worrying message that some of my photos can’t be imported as the file is damaged. Upon closer inspection, I have noticed that indeed several CR3 ...
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1answer
223 views

Why are my picture not as sharp when shot RAW as when saved as JPEG [duplicate]

Newbie question here. I shot an image in low light in jpeg format and it's crisp, but when I shoot raw in plain day at 1/125, my image looks blurry most of the time. Unless I max out the sharpness ...
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4answers
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How can I work around lack of support for Canon's new CR3 Raw format in the software I use?

Canon's new Cr3 file format is not able to be processed in any of the top editing software. Lightroom Classic doesn't support it, nor DX0, or Luminar/Skylum. Lightroom CC subscription will but I don't ...
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1answer
196 views

How to batch convert old NEF photos to JPEG/HEIF with in-camera processing look?

I have ~9k NEF photos from a Nikon D5000 that are currently taking up ~100GB. It's been 8+ years without me touching them, so I don't see a reason to assume I will ever process and edit them. I'd ...
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2answers
226 views

Why RAW and JPEG look the same?

I recently bought a canon m100. I shoot both raw + jpeg but they look exactly the same. The only difference is the file size. Aren't raw photos supposed to have less contrast etc? I've tried to view ...
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1answer
61 views

Process raw image to match lower resolution jpeg

I have some photos where I have processed the image to my liking but unfortunately only saved a low resolution (for instagram) version. I now would like a higher resolution version for printing. I ...
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1answer
252 views

How to compress RAW RGB 10-bit data?

This might seem like a general question, however I could not find an answer for. Specifically, I am using a CMOS image sensor that has the following general capabilities: Array Size: 1280 x 1024 (...
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1answer
1k views

What does Canon digital lens optimizer (DLO) do exactly?

Recent Canon cameras (example: EOS RP) have a function called Digital Lens Optimizer (DLO). The Canon Digital Photo Professional (DPP) software also has the same DLO feature. Apparently, DLO is ...
2
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1answer
175 views

Compression-Like artifacts in Lightroom-Edited Canon RAW Image

Recently I generated a night-sky panorama image. I imported several .cr2 images into Lightroom, exported them as .tif without any adjustments and stitched them together in PTGui. The resulting image ...
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2answers
624 views

Lumix G7: Raw photos only in 1920x1440, no higher res available

On a G7 I bought used the images come with a 4592x3448 resolution for JPEG and 1920x1440 for raw. When I switch the mode to RAW only, the resolution/image size option in the menu is greyed out. Is ...
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3answers
1k views

How do I access raw photos from Nikon D3500, if imported photos on my phone always appear in jpg format?

I recently bough Nikon D3500 and I shoot in jpg+raw mode. In the history of taken photos, however, there's only one copy of each photo, rather than two. Similarly, when I import the photos to edit ...
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4answers
277 views

Why do I get noisy results when converting from raw to jpeg?

I am using ACDSee Photo Studio Professional 2019 and shooting with a Canon 80D (storing raw+jpeg files from the camera). In the past I've shot mostly jpeg files and fine-tuned them in ACDSee with ...
3
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4answers
4k views

Changing JPEG to RAW to use on Lightroom?

Am I able to covert JPEG into RAW so I can treat the images on Lightroom? Reason why is that for years I am travelling and taking tons of pics but my Nikon was programmed only to save in JPEG format.. ...
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7answers
396 views

Can RAW image files deteriorate over time?

I was at a photographer some time ago, shot some photos of my son and came back to view and select a range of images, some of which I wanted to print, and some of which I wanted and to receive by file ...
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1answer
176 views

How could I convert uncompressed raw files to compressed files?

I shoot always raw (Sony .arw) with my A7RII but after a year there is so much disk space allocated. A single uncompressed file uses approx. 80mb, so I decided to use the compressed format because ...
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2answers
413 views

How can I extract the embedded JPEG from a CR2 file? [duplicate]

I'm not interested at converting it, but extracting the thumbnail JPEG.
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1answer
85 views

How do I generate linear output from darktable? [closed]

How do I use the basecurve in Darktable to make sure that the final output is linear? That is, if the irradiance E is received at the front lens, I want the pixel values in the final values to be k*E, ...
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2answers
43 views

RAW image to processed output dataset [closed]

I'm trying to learn how to process RAW images into great final images, and my attempts keep coming up short. I think it'd be really interesting/instructive to see what other people have done. In ...
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1answer
66 views

What would be the most technically unaltered/numerically close camera-to-monitor workflow using common software? [duplicate]

If the intention was to, as much as possible, shove the ADC output octets that were present in the camera right up the framebuffer and out the HDMI cable - possibly truncating LSBs, if possible ...
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2answers
222 views

How to smooth gradient of an overexposed sky on a raw file?

I'm editing a back-lighted portrait. Sky backwards it's mostly overexposed, but some information was preserved on the upper left corner of the frame. I shooted on both JPG and RAW (canon's CR2) This ...
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4answers
1k views

How do you identify file type/compression in a TIFF file?

From what I understand TIFF is like the .mkv container for photography - it supports a variety of compressed and uncompressed formats. But how would you go about checking if the data within the TIFF ...
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5answers
253 views

Why are some cameras unable to store photos in RAW format?

I am trying to understand the reason that some camera can't shoot in RAW. Initially, I thought was a matter of buses. It's easier to handle all the computation by the processor and transfer a lighter ...
4
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1answer
333 views

How to convert uncompressed FujiFilm raw to compressed raf?

RAF files from older 16-megapixel X-trans cameras are about 30MB. Compressed RAF files from newer 24-megapixel cameras are about 20MB. Given the size savings, it would be nice if uncompressed files ...
3
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1answer
261 views

How does one actually *use* a dark frame?

All of my images were shot RAW, but jpg versions are below for context. I'm brand new to this and have taken the three images according to info I found online. My first problem is that my picture of ...
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2answers
215 views

Is tone mapping automatically applied to RAW images?

At first I thought tone mapping was a thing for HDR images only used to "display" the dynamic range which our monitors can't show. Turns out that RAW images tend to have a high dynamic range too. So ...
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0answers
93 views

Nikon ViewNX-i and sidecar files

I wanted to use Nikon View NX-i to set the GPS coordinates in my raw files but it seems the data are always going to a sidecar file. I got a folder NKSC_PARAM aside of my raws with .nksc files inside ...

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