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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300
votes
16answers
58k views

Good examples of RAW's advantages over JPEG?

I'm curious to see some real examples of where simply capturing the same photo in RAW (and being processed by someone who can do it justice) has significantly improved the photo at the end of the ...
16
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3answers
5k views

RAW files store 3 colors per pixel, or only one?

Ken Rockwell says that camera makers consider the individual R/G/B sensors when they talk about megapixels. So the image below would be a 6x6 pixel camera, not 3x3 as you would imagine. If that's ...
26
votes
3answers
48k views

Why do RAW images look worse than JPEGs in editing programs?

I've found that when you load a RAW image into an editing program such as Lightroom/Aperture, the image is usually worse than if you just took the image as JPEG. Now I understand that the camera does ...
105
votes
5answers
6k views

What is RAW, technically?

From a technical perspective, what exactly is RAW and how does it differ from JPG or bitmap images? I'm not asking about the pros/cons versus another format, but rather what constitutes RAW format, ...
44
votes
14answers
9k views

What are the pros and cons when shooting in RAW vs JPEG?

In general shooting in RAW format uses a lot more file storage than JPEG. What am I gaining when shooting RAW? Besides file size are there any downsides to shooting RAW?
6
votes
3answers
7k views

Why do my photos look different in Photoshop/Lightroom vs Canon EOS utility/in camera?

I've recently been shooting in raw with my new 100mm usm is macro but I'm getting strange results in out of focus areas with bright colours in. I've used Lightroom for ages and not had any issues with ...
8
votes
9answers
6k views

While shooting in RAW, do you have to post-process it to make the picture look good?

I always shoot in RAW. But I take lots of pictures, when I am out shooting I might come home with 600+ pictures. Many of these pics are copies of the same motive, but with different aperture, shutter, ...
30
votes
5answers
27k views

Why does my Lightroom/Photoshop preview change after loading?

Everybody who is using Lightroom probably has seen this. After importing RAW files, Lightroom shows a preview, but contrast and color of the preview change after a few short seconds to a slightly ...
86
votes
4answers
13k 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?
4
votes
4answers
3k views

How to make camera LCD show true RAW data in JPG preview and histogram?

With Canon 650D (and presumably all the other Canon), I noticed that the picture style and full JPG processing is used to generate a review JPEG which is what the camera actually reads when reviewing ...
11
votes
4answers
4k views

How do I start with in-camera JPEG settings in Lightroom?

I'm a novice shooting in RAW and find that half the time my camera JPEG images come out better than my Lightroom tweaks to RAW files. So to give myself a better start I'd like to apply the JPEG ...
30
votes
4answers
5k views

Do I lose anything converting to DNG?

I'd like to convert all my ARW (Sony) files to DNG for several reasons, but the only thing keeping me back from doing it is the fear of losing useful metadata during the conversion. I know that the ...
62
votes
15answers
85k views

What tools are available for RAW image processing in Linux?

I have been taking photographs with RAW format. What tools are available for working with RAW under Linux?
28
votes
9answers
161k views

How do popular free RAW editor/converter compare to each other on Windows?

I'm looking for a free RAW editor/converter on Windows. Can you tell me some strong/weak points of them comparing with Capture NX and/or Adobe Photoshop Elements? RawTherapee PhotoFiltre Able RAWer ...
15
votes
4answers
1k views

Why is my camera so forgiving for overblown exposure when shooting in RAW?

I've found that my camera (Sony A99) is very forgiving in terms of overexposure when shooting in RAW. By that I mean, I can overexposure by a stop or so and when I get home for the post processing I ...
0
votes
2answers
601 views

RAW in ACR vs JPG in ACR

Photoshop has now given the facility to open and edit JPEGs and other non-RAW file formats using Adobe Camera Raw. One doesn't have to shoot RAWs to do some heavy edits. So is there still any benefit ...
38
votes
13answers
13k views

How can I get a good HDR image from a single RAW file?

I've heard that it's possible to create an HDR image from a single RAW file. (Obviously, it won't be as good as using multiple bracketed RAW files; I know that much.) Every time I try — using ...
11
votes
3answers
2k 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 ...
5
votes
1answer
908 views

Match colors in Lightroom to other editing tools [duplicate]

I noticed that sometimes Lightroom develops a raw image quite differently from my Canon camera or DPP (Digital Photo Professional by Canon). Even if in 90% of the cases I'm happy with Lightroom, in ...
25
votes
4answers
14k views

What are the pros and cons of different Bayer demosaicing algorithms?

Bayer sensors use a pattern of red, green, and blue pixels, and merge those together into a final color image, with one pixel for every single color sensor. This could be done through a "naive" ...
24
votes
5answers
3k views

How do I get started with RAW photography?

Having read about the benefits of shooting in RAW as opposed to JPEG (for example this question), I'd like to have a go with it myself. However, I'm not really sure how to go about it. I can turn RAW ...
33
votes
15answers
9k views

Why store both JPEG and raw?

DSLRs often have the ability to store both a JPEG and a raw file. Given that the primary benefit of in-camera JPEG over raw is the smaller filesize, and that JPEG+raw is going to store even more data ...
37
votes
5answers
9k views

What's the point of capturing 14 bit images and editing on 8 bit monitors?

I am bit confused. If my DSLR is capturing 14 bit image while shooting RAW. Don't I need a 14 bit monitor also to take full advantage of capturing in RAW? Whats the point of capturing an image in 14 ...
30
votes
8answers
7k views

Why can I adjust the white balance of a RAW file but not a JPEG file?

I recently started setting my DSLR to save RAW files, and using Adobe Lightroom to process them. I still, however, use my little point and shoot camera a lot which does not have an option to save RAW ...
20
votes
4answers
7k views

When shooting in mRAW or sRAW, how does the camera generate smaller files?

Most mid- and high-end DLSRs offer two or three sizes for RAW capture. When the camera is generating the medium or small sized RAW files, how does it make them smaller? Does it capture less ...
5
votes
2answers
4k views

How to automatically apply a Lightroom Preset based on appropriate (Canon) Picture Style on import

Note: I do not believe this question is a duplicate of "How to emulate the in-camera processing into lightroom" (I referred to this question in my question) I just want that my monochrome images stay ...
3
votes
3answers
938 views

Why are my RAW images already in colour if debayering is not done yet?

I recently went on a trip and took a bunch of pics with my girlfriends Canon Rebel. We shot in RAW, and now I am going to process the RAW images in DarkTable (my first time ever). I have read that ...
2
votes
2answers
26k views

Why don't Lightroom or PSE recognize CR2 files from my Canon 7D mk II even though they are up to date?

I ordered a Canon 7D mark II (to replace a stolen 7D),and shot a friend's wedding in RAW. But now, I can only view the pictures in very poor quality on my computer's photo viewer. I am not able to ...
28
votes
3answers
14k views

Does the selection of sRGB or Adobe RGB in camera when shooting RAW ever matter?

I shoot RAW essentially 100% of the time, and have the in-camera color space setting at AdobeRGB (sRGB is also offered). The raw converter in turn is set to produce sRGB output files. As I understand ...
4
votes
2answers
6k views

How to emulate the in-camera processing in Lightroom? [duplicate]

I'm a beginner in matters of digital photo processing (and photography for that record). I already know that the RAW file is a dump of raw sensor data with no processing whatsoever applied to it. My ...
28
votes
6answers
4k views

If shooting RAW, is the white balance selected in camera irrelevant for exposure?

I have read the existing question - Does the camera white balance setting affect the raw image at all? After reading the above post, I am still not clear on the part around exposure. Is it possible ...
45
votes
8answers
2k views

Is switching to DNG worthwhile?

I'm aware of the difference between RAW and DNG file formats. The RAW format is proprietary to the camera manufacturer while DNG is an open standard. DNG files can be compressed without loss of detail,...
14
votes
4answers
3k views

How can I reproduce the camera-internal postprocessing?

I just started playing around with raw images. When opening the raw image in Raw Therapee, it looks completely different than the JPEG produced by the camera: (left is raw, right is JPEG) I figured ...
19
votes
1answer
2k views

Will I lose image quality by adjusting white balance in post processing?

I understand that if I shoot in RAW, post processing software like Lightroom is capable of adjusting colour temperature and tint to my desire. Will I lose any image quality in process? Or is it as ...
13
votes
6answers
1k views

How can different RAW converter programs give different results?

I've read in several places (photo mags, websites, etc.) that there are many different RAW converters around, not big name programs like PhotoShop, Lightroom, Picasa, PaintShopPro. What differences ...
11
votes
1answer
1k views

What camera settings may affect a RAW photo?

I know this is too general question, but I'll give it a try.. About an hour research in photo.SE, I found some question, that are related to this one: Does the camera white balance setting affect ...
9
votes
3answers
2k views

Why don't cameras show an “accurate” histogram?

Why don't cameras show a histogram based on the RAW data rather than on the JPG preview? I know that a RAW file is not a viewable image and can't be displayed without applying curves and defining how ...
20
votes
3answers
25k views

Do different “Picture styles” affect RAW output?

I was reading again the manual of my camera (Canon 50D, but I am sure that each DSLR offer the same kind of functionality, albeit I don't know the exact names adopted) and noticed the issue of Picture ...
0
votes
2answers
6k views

Why are my RAW images corrupt but the previews okay? [duplicate]

So I shot photos for my robotics team at an event this weekend and ~95% of them are corrupt. The JPG previews from the camera are fine, but when Adobe Bridge generates its own preview, the corruption ...
5
votes
3answers
4k 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 ...
12
votes
5answers
7k views

Can I save the JPEG preview image that's generated in-camera when I shoot in RAW-only mode?

When you're shooting in RAW-only mode (not RAW+JPG), most (all?) cameras also generate a JPEG preview using the current style settings. This is what you see momentarily when you first import the image ...
17
votes
11answers
3k views

Can in-camera JPEG have image quality advantages over (third party software) converted RAW?

Question about RAW advantages over JPG made me curious if somebody has examples where in-camera JPEG is actually image quality-wise better than RAW image converted in computer (possibly by third party ...
7
votes
5answers
14k views

Is it possible to change depth of field in RAW images?

I am beginner to photography, and I've learnt that we can do a lot of post-production in images by using RAW format. I'm looking for options to change/modify the depth of field in the RAW images - is ...
5
votes
2answers
1k views

What's the easiest way to access pure raw data (without demosaicing)?

What is the simplest way to access the data in a raw file before demosaicing and write it to a more widely supported file format (e.g. 16 bit TIFF)? I'm looking to obtain a single channel image where ...
4
votes
4answers
5k views

How do I repair “partially” corrupted raw (cr2) files?

I have a number of raw images which were restored after deletion, when I open them in image viewer they seem to be fine, but if I open them in Photoshop image seem to be corrupted. How is it possible ...
17
votes
10answers
46k views

Cheap/free tool to view/convert Canon CR2 RAW format photo files on Windows?

Recently, my family had some professional photos taken while vacationing at a resort. The photos were given to us on CD in both .CR2 and .jpg formats. While we can view the JPEG-format versions of ...
8
votes
3answers
13k views

Multiple exposures vs. adjusting exposure of single RAW?

For HDR, it's recommended to use auto exposure bracketing. However, an advantage of RAW is the ability to adjust exposure. Even Trey Ratcliff has said, "you can make a good HDR photo from a single ...
25
votes
5answers
22k views

What, if anything, does “RAW” stand for?

I understand that RAW files contain data straight from the sensor, that they're used as input to the production process that results in a final image, and that RAW isn't really one format but a ...
25
votes
7answers
11k views

Does the camera white balance setting affect the raw image at all?

Does a DSLR's white balance setting (whether a preset like cloudy or a custom WB setting) affect the raw file at all, or does that setting only determine the WB of the JPG that the camera generates? ...
7
votes
7answers
18k views

What causes this sort of RAW file corruption?

I came home from a recent trip to Gettysburg with almost 1500 photos. Among them were a handful that appear to have been corrupted, as shown below. It was hot during the hikes -- ambient temperature ...