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Photography

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.

681 questions
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5answers
2k 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 ...
2
votes
1answer
68 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 ...
0
votes
3answers
73 views

Mathematical definition of EV on a RAW photo?

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 ...
1
vote
3answers
75 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 ...
0
votes
1answer
73 views

Strange behaviour in darktable - image inconsistent

I have used darktable previously and this just started the other day. I imported a raw image and when I change anything (exposure, contrast, etc) temporarily the preview I get from darkroom is what ...
3
votes
1answer
90 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 ...
1
vote
0answers
40 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 ...
2
votes
2answers
60 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 ...
0
votes
1answer
91 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. ...
0
votes
0answers
5 views

Motion RAW Videos possible? [migrated]

Sorry for the rushed question I don't have time. So my good old DSC W610 could shoot MJPEG but I always wanted an RAW video so I could make wallpapers from the scenery videos I Shoot. Is this ...
2
votes
1answer
100 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 "...
-1
votes
1answer
97 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 ...
0
votes
1answer
49 views

darktable “lighttable” view: how to show only one of each JPG or raw image in a directory?

I've just installed the 2.4.x (latest) Darktable on a new Ubuntu 18.04 PC. On my old machine (Ubuntu 16.04), when I'd open a directory full of .jpg and raw files from a camera memory card, the "light ...
-1
votes
2answers
98 views

How to open .NEF raw files(Nikon Raw Files) in windows 10 without lightroom?

How can I open Nikon Raw files in my windows 10 PC without any lightroom or photoshop. The files have extension .NEF I know I can open canon raw file in my windows 10 by just double clicking them.....
2
votes
2answers
101 views

Can I not use NEF on my Nikon D3100?

When I load my pictures to my computer two show up one says NEF and the other is jpeg. I accidentally deleted the jpeg and when I loaded them on my phone the NEF pictures were really bad. They where ...
0
votes
1answer
81 views

How to save images in RAW+JPEG on Canon camera? [closed]

My camera used to save photos as both JPEG and CR2. Now they're being saved only in JPEG. How I can get the CR2 format back?
0
votes
2answers
62 views

When converting from Fujifilm .raf to .tiff, why is there an option for dpi?

I am new to digital photography, but I've been shooting with a Fujifilm x100s camera that saves to .raf format. When I use Fujifilm's .raf to .tiff converter, it asks me what dpi I want the image in. ...
11
votes
5answers
5k views

Given an image how to identify whether it is RAW file or not

I'm a much like beginner level, so pardon me if this is a very basic silly question. Once I've a JPEG photograph image file, how can I find out whether it is a RAW file or not?
0
votes
1answer
82 views

raw and psd files

Can I store my raw files and psd files in separate folders. With Nikon D850 I have big RAW / NEF files but huge PSD files after working in Photoshop. It would be better to have them separated for the ...
0
votes
1answer
109 views

I convert my Canon cr2 files to JPG in DPP, but when I copy them to SD card to be printed no images show?

I recently set my Canon 7D Mark II to take pictures as .CR2 files (RAW). I then converted them in DPP 4 to JPG and copied them to an SD card to be printed by a third party. At the kiosk it states no ...
4
votes
2answers
313 views

Download RAW from Nikon D750 camera [closed]

I recently change my settings on my camera to shoot in raw. Now I’m trying to download them to my computer and it’s saying there not accessible since they were shot in raw. And they will not download ...
3
votes
2answers
104 views

How can I bump up shadows in post without overexposing the image?

I'm trying to create a Photoshop/Lightroom RAW processing preset to process 1200 images for photogrammetry. It's important that the lighting on them is as flat as possible and the shadows get bumped ...
5
votes
2answers
198 views

Are these stripes bug or not?

Is it normal or not to have such stripes in a photo taken with strong backlight? Photographed on a new Canon 700D, jpeg from CR2.
1
vote
2answers
458 views

Why does the chart for my Canon 77D show more photos saved with RAW + JPEG than it does for RAW alone?

so since my camera saves my photos automatically in JPEG and since I wanted to have a RAW version of them I looked for some info about this topic and how it works on my DSLR, Canon 77D. I stumbled ...
-3
votes
1answer
123 views

Heatmap of an image [closed]

I want to create the heatmap of an image for research purposes. Is there any algorithm to create heatmap of an image ? Also, if I have a RAW image out of a Nikon D5200 (.NEF file format), will it ...
4
votes
2answers
150 views

Editor's rights to results of processing photographer's RAW image file?

I edited the RAW image file that a photographer offered at the /r/EditMyRAW Reddit sub. I am not familiar with the rights of an editor/retoucher and am curious to know how the editing work/original ...
2
votes
3answers
265 views

Blur faces in raw images

Is there a way to edit a raw image to black out or blur faces in raw images. The purpose would be to post images online for editing advice whithout identifying the people in the shot. I’m currently ...
3
votes
1answer
107 views

Why does Photoshop fail to recognize EIP files?

I downloaded some EIP images and wanted to just play around their settings in Photoshop to practice. When I tried to open it, it says can't recognize the document format. The raw camera plugin is ...
6
votes
4answers
2k views

Is it better to continue shooting in JPEGs instead of RAW if you are not planning to do post processing? [duplicate]

If I don't want to do post processing of the photographs, is it better to continue shooting in JPEGs instead of RAW? Or is there a push-button workflow which will produce better JPEG images by doing ...
4
votes
2answers
168 views

How does on-sensor phase detection AF not impact the image?

My understanding is that some of the photosites on the sensor have additional functionality in them to measure phase, which in turn uses some of the energy that would have otherwise registered as ...
0
votes
1answer
148 views

AfterShot Pro 3 generating artifacts with OpenCL GPU use?

I discovered an artifact on a shot when I printed a large blowup of a tight crop. Initially I thought, "Oh no, I have a camera problem!" Further experimenting demonstrated that the artifacts are ...
-1
votes
1answer
106 views

Reading raw12 file into 2-d array for further processing it into png format

I have a raw-12 image file . I want to read this using c++ into 2-d array . but i don't understand the the basic picture of raw-12 file that how pixels are really arranged in it. can anyone help ?
11
votes
3answers
1k views

Why can software correct white balance more accurately for RAW files than it can with JPEGs?

Why are post-processing JPEG white balance corrections not as accurate as white balance with Raw? My understanding is that when shooting jpeg the camera internally does the following steps: Convert ...
2
votes
1answer
179 views

Why are blown-out highights pink instead of white in Darktable?

I switched to Linux and started using Darktable as my RAW processor. It is great and I love all of its functions. Lately I've tried to do some HDR shots and I noticed that the parts which are blown ...
1
vote
3answers
346 views

Why does NEF file get washed out/highlights while my JPG look normal? [duplicate]

TLDR. is just the title. I know nothing about photography, sorry. My dad has a d90 he never uses, so I use it to take photos when I need them for something. Anyways, I put it on raw mode. when I ...
0
votes
2answers
153 views

Why do different ISO images have different file sizes? [duplicate]

I set the ISO on my Canon 6D to 200: 1081 estimated shots remaining. I set the ISO to "auto": 728 estimated shots remaining. I'm shooting in RAW, if that makes a difference.
4
votes
1answer
143 views

Are all the RAW files the same?

I have an android phone that is able to take the photos on RAW mode. Would it contain the same information as a DSLR camera? That brings another question, do the raw photos from all the DSLR cameras ...
1
vote
3answers
173 views

Assuming no editing, what's the difference between in-camera jpegs and lightroom jpegs? [duplicate]

I have a Canon 6D. I usually shoot RAW + JPEG. I shoot RAW so I have the option to edit, but I don't actually edit most of my pictures. I've noticed that if I just import into Lightroom and export ...
0
votes
1answer
93 views

How to crop a set of images based on another set of images

I've accidentally switched the camera to reduced resolution and several hundreds of photographs have been stored this way. There are RAWs for these so I can re-develop them to full resolution. ...
1
vote
0answers
188 views

How can I quickly switch format with RAW+JPEG images?

I have RAW+JPEG photos in Darktable. I have given some star rating to JPEG photos and filtered the lighttable view using the stars. While I have selected one of those JPEG images, can I quickly switch ...
3
votes
1answer
409 views

How to edit my RAW photo to make the stars come out more?

I've been taken night photography photos with my Sony A6000 in RAW+JPEG. There should be a lot more potential in RAW, but I can't make it look as visually pleasing as the JPEG. In particular, the ...
1
vote
2answers
97 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 ...
2
votes
2answers
161 views

Contrast order of operations in Lightroom?

I've been watching a number of how-to videos on Lightroom, and one general workflow I've seen is performing the Basic adjustments first (white, black, highlights, shadows, etc.), followed by adjusting ...
3
votes
2answers
86 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. ...
2
votes
4answers
2k views

How can I open .CR2 files from a Canon 750D in Lightroom 3 when I can't afford the monthly cost of the new Lightroom? [duplicate]

I am capturing images in Raw format now. I have a Canon 750d with me. The format of the files is .CR2 While trying to open these in Lightroom, it throws an error and wasn't able to open them. I am ...
2
votes
2answers
810 views

Why do my RAW pictures look fine in Lightroom preview but become faded when exported?

I've noticed that when I export RAW pictures, they look absolutely fine in Lightroom before being exported but after they look "washed out". I mean that when I make my selection before exporting to ...
2
votes
1answer
153 views

HDR Panorama - Best workflow? [duplicate]

Still trying to wrap my head around panoramas. I am using bracketed RAW photos and have merged using lightroom. Now, it is best to pick a single image, colour correct it and sync the settings across ...
2
votes
2answers
494 views

Why can't I open Nikon NEF files after reinstalling Windows?

After a PC crash (Win 7 64-bit) and Windows reinstallation, none of my Nikon NEF files or Word docs will open. I can view all NEF file info (date, file size, etc.). I'm not that IT savvy. Why can't I ...
4
votes
4answers
620 views

How can I avoid vignetting when shooting in raw with a Canon Powershot?

Very inexperienced person here when it comes to photography and raw processing here. I'm using a Canon SX 60HS camera. No attachments — filter/hood/etc. — of any sort were attached to lens. After ...
5
votes
3answers
2k views

How to edit photos shot in fluorescent light

I recently shot a series of pictures (portraits and group shots) in a room with bad (fluorescent) light. I had no possibility of changing that lighting situation. Now back at home and in Lightroom I ...

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