Photography

Questions tagged [raw]

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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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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
70 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
90 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
52 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
40 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
63 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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1answer
98 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
139 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
224 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 ...
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1answer
92 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 ...
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1answer
124 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
111 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
39 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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1answer
118 views

How to achieve a similar aesthetic?

This Lyle Ashton Harris photo is one of my favourites. Anyone have any tips as to how he could have achieved this image?
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5answers
159 views

If I save in RAW, will that give me enough exposure latitude that I can just always leave the camera on “auto”?

It's been several years since I used my Canon DSLR. During that time my vision requires eyeglasses for reading print within normal reading range. This obviously necessitates putting the glasses on to ...
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5answers
186 views

What are the pros and cons of deleting all of my archived RAW files?

I've been shooting RAW+JPEG for years, but about the only time I use the RAW files is to play around with RAW processing techniques. For everything else, I use the JPEGs. I have several multi-TB hard ...
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1answer
102 views

Why is there difference in white balance between Canon and Nikon even in RAW files?

I have Nikon and Canon codec installed in windows 10 so I can open images directly. I also have lightroom for comparing images. When I open the same image shot on Nikon D3400 and Canon 200D on auto ...
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3answers
251 views

How to Content Aware Fill with Lightroom / Photoshop without converting from raw to tiff

I have a panorama that has some white space I can't really crop out. I tried merging in Photoshop and it had an option to content aware fill empty spots. This worked out almost perfectly. The issue is ...
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1answer
96 views

How to reproduce Velvia 50 appearance with RAW processing?

It is well-known that Fuji Velvia 50 film has very vivid colors due to high color saturation. Strictly speaking, the film gives slightly incorrect results because the colors aren't that vivid in real ...
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1answer
295 views

Where is “Camera Profile” in Adobe Camera Raw 11.2?

In Adobe Camera Raw, it used to be possible to specify a Camera Profile here: However, in the version 11 of Camera Raw in Photoshop CC, this essential feature is nowhere to be found: "Version 5, 4, ...
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2answers
126 views

Nikon D90 images look fine on camera but when on computer both NEF and JPEG look yellow

The NEF files look normal when using windows photo viewer, but on the same monitor the JPEG that the camera has converted looks yellow. If I view the NEF on different software it looks yellow also.
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3answers
113 views

My Nikon d3100 is corrupting files

I have a Nikon d3100, a few weeks ago I had an issue where my files all got lost. I figured it was due to using an old memory card so I replaced my memory card. I have only used the new 32g card two ...
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2answers
129 views

How to correctly apply gamma to linear raw files from a machine vision camera?

I am using a machine vision camera that, according to the manufacturer, produces linear pixels. As a result, I need to apply a gamma correction to the image before I can view the result. However, ...
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1answer
307 views

Using Darktable, how to batch convert from RAW to another supported format

I've notice on other answers there are ways to use the History Stack in Darktable to batch convert a bunch of RAW images. However, since I really only want to use Darktable to export a lot of RAW ...
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1answer
37 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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1answer
97 views

Buffer size is wonky on Nikon D610

The buffer size on my Nikon D610 is acting very strangely indeed; it seems to be capped at 14 exposures in RAW, regardless of RAW setting. I have tried the following: Firmware update to C:1.04 (...
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2answers
189 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
207 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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2answers
162 views

What is this strange light in photo?

I found a picture from my camera archive 2012, which I need explanation about. It looks like either something happened to the camera or a certain light was captured.
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1answer
132 views

What metadata does RAW support that TIFF doesn't?

RAW and JPEG both support recording of a lot about the shooting,ranging from the İSO to what lens was used at what coordinates. When I convert CR2 RAW to 16 bit lossless TIFF, what will I lose? (I ...
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1answer
392 views

My pirated copy of Photoshop isn't rendering RAW files correctly. What should I do? [closed]

i am using photoshop 2017. i thought of updating the camera raw using this link https://helpx.adobe.com/camera-raw/kb/camera-raw-plug-in-installer.html i installed Camera Raw 11.2. and after ...
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4answers
12k views

What does an unprocessed RAW file look like?

I know people use fancy software like Lightroom or Darktable to post-process their RAW files. But what if I don't? What does the file look like, just, y'know, RAW?
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3answers
961 views

How sharp are RAW photos before processing?

Are RAW images by nature slightly blurry prior to processing? If I open them up in Lightroom and zoom into the photo, my photos are not tack sharp but a bit blurry. Once I process, it comes out ...
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1answer
60 views

How to get focal length data from proprietary file formats (CR2, ARW, etc)? [closed]

I'm looking for a way to read the equivalent of EXIF data (focal length, camera make, etc) from RAW file formats, preferably with javascript. I've managed to read EXIF from JPG's, but there don't ...
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5answers
319 views

Why and how capturing RAW image instead of JPEG helps with editing [duplicate]

Often I heard photographers say that RAW is used for editing photos. I have used Adobe Photoshop Lightroom before and I don't see how capturing RAW helps. Can anyone explain how capturing RAW helps ...
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3answers
218 views

Is there a way to get smaller TIFF files?

I'm working with canon CR2 RAW files. My images usually have 30MB when I import into Lightroom, but when I bring into Photoshop for an adjustment and get back to Lightroom the TIFF file generated is ...
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1answer
312 views

How to reproduce camera noise reduction using open source software?

I have unsuccessfully tried to reproduce the camera's (Canon EOS 2000D) noise reduction algorithms using open source software when post-processing RAW (.CR2) files. Specifically, the camera's noise ...
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5answers
1k views

How can I automatically convert Sony RAW (ARW) to JPEGs as good as the camera creates itself?

I am beginner and I made a mistake. I wanted to have the best quality and I saved photos only as raw files (arw). (I have a Sony DSC-RX100 IV). I have 1000 photos and I would like to save them as ...
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1answer
234 views

Opening NEF files on windows initially open file but then change contrast

I have a strange issue with Windows 10 When I open .nef files they load fine. However after a second or two the contrast changes noticeably. I tried Windows 10 Photos and Picasa Image Viewer. What ...
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8answers
5k views

Do raw images of the same camera have the same size?

I have a project in which I'm trying to balance load between several computing devices. These devices are similar and are supposed to have a camera segment. Device captures an image and then processes ...
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1answer
87 views

What could be the reason for suddenly changing brightness in raw image?

A series of night shots show this abrupt change of brightness: It starts at approximately 60% horizontal and extends to the right corner. I didn't notice this effect before, the temperature was ...
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3answers
126 views

Mathematical definition of EV on a RAW photo? [duplicate]

I'm trying to write a program that takes in a matrix full of 12-bit RAW sensor values (that range from [512-4096]) (512 is the BAYER sensor black level--> i.e. what pure black is defined as) and ...
2
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3answers
163 views

How to exposure stack RAW photos while also outputting a raw photo?

So I have .DNG files that I have taken from an iPhone and I'm trying to figure out how to stack them and then output the stacked photo as a .DNG file as well (or any RAW format tbh). I know how to ...
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2answers
241 views

Strange behaviour in darktable - image inconsistent

I am using darktable 2.6 on Windows 10. This problem started recently. After importing a raw image, when I change anything (exposure, contrast, etc), the preview temporarily resembles the jpg photo. ...
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1answer
136 views

Why does a non-linear relationship exist between noise level (of dark frame) and ISO setting

According to Does changing the ISO of a modern digital camera really change the gain of an electronic amplifier?, the ISO physically amplifies signal in analogic way, so it is more effective than ...
2
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1answer
123 views

How to handle the tone curve (linear/medium/high contrast) and the other development settings?

I use Lightroom 6.x and I usually start with a linear curve, adjusting the sliders in the "Basic" section accordingly. The Tone curve section usually does not even get opened. This because I'm not a ...
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2answers
67 views

In photoshop (CC), is there a way to apply the changes made to one CR2 (.xmp) to all my other (.CR2) photos?

Editing pictures in CR2 and after applying a few hours of settings to one picture, I would want all my other pictures to have that same setting applied to. Possible? Is there a way around using the ...
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1answer
893 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. ...
2
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1answer
862 views

Dealing with RAW + jpg collections in Darktable: I only want to export processed RAW

If I have a bunch of pictures transferred from a camera, where the camera was set up to do RAW+jpg, I can click the "G" button in Darktable to "group" the RAW and JPEG images together in the "...
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1answer
377 views

How to remove the blur in the raw image(.cr2) using photoshop cc 2018 [duplicate]

I'm new to photography. The raw picture(.cr2) is out of focus. It focuses background instead of the person in the picture, and the person in the picture is really blurred, and the background is very ...

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