glasses

Glasses                                             
by Meysam                

Submit your Photo
Hall of Fame


Please participate in Meta
and help us grow.

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.

learn more… | top users | synonyms (3)

1
vote
2answers
56 views

Pixels and Subpixels usage in TIFF and RAW

The first answer to this question says that when saving images in TIFF, each pixel holds three colors' data and because of that, the file is larger... and RAW only hold monochrome data in each ...
3
votes
3answers
336 views

Quality of JPEG directly from RAW+JPEG versus JPEG embedded in RAW of RAW+JPEG?

When I use ImageMagick's identify command to look at the quality of the JPEG from my camera's RAW+JPEG mode, I see 95. When I use the same to look at the JPEG preview that has been directly extracted ...
0
votes
2answers
56 views

What range of the electromagnetic spectrum will a .RAW image generally encompass?

I believe that most cameras contain an infra-red filter, thereby capturing mostly the RGB spectrum only. Perhaps by taking out that filter (or buying a NIR camera) one can see more of the spectrum ...
0
votes
2answers
109 views

Sony A7 raw processing in Lightroom, way off [duplicate]

I shoot raw with a Sony A7sII and I am really satisfied with the results of the image previews, until I import them into Lightroom. Lightroom shows the processing thumbnail which reflects how I ...
0
votes
2answers
101 views

Can I simplify my workflow by shooting in Adobe RAW? [duplicate]

One thing I don't fully understand is why, when I take a photo with a Nikon and import it in Lightroom, the colors immediately appear desaturated and visibly different than what it looked like in the ...
1
vote
2answers
63 views

Does changing the WB in post-processing affect noise?

I have a friend who took some macro photos of snowflakes with the WB preset to "Cloudy", but lighted from an 11-watt flourescent bulb. Snowflakes look more pleasing with a blue tint, rather than ...
1
vote
2answers
65 views

.NEF Raw files open in Black and White

I recently went flying with a friend and took my Nikon D3300 DSLR up with me to get some aerial shots. As I'm still learning I set the camera to RAW+JPEG so I had some pics and could also have a mess ...
3
votes
4answers
295 views

What's the cost of adjusting exposure of a RAW picture in post-process?

I wonder that if I increase the exposure of a RAW in some software, say, Lightroom, what do I lose in the image. I know that this is related to how is increase of exposure achieved, here in a few ...
1
vote
1answer
105 views

Full well capacity

As I understood, the full well capacity is the maximum number of charges(photoelectrons) that can be stored in a pixel before a leakage to adjacent pixels and causing problems like blooming. In some ...
1
vote
0answers
25 views

getting photos from “Photos” app on Macbook to Lightroom [duplicate]

Is this possible? I was planning to just import my SD card and import that way, but somehow the files got deleted off my card. I am able to drag the pictures from "Photos" (Mac) onto my desktop and go ...
0
votes
1answer
73 views

Is it overkill using Cinestyle with RAW photos?

I did a CGI course at uni and we were told about the wonders of Cinestyle when filming. Of course ever since then I've been using it for both filming and photos on my own camera, but a friend who is a ...
0
votes
2answers
37 views

multiple xmp versions of same raw file?

I've come to the inescapable conclusion that RAW is the way to go and I've run into a small problem. I know this can be done, but I can't remember how. I want to save different versions of the raw ...
5
votes
2answers
142 views

How to identify slide/negative scanners that produce RAW files?

I'm looking for a 35mm slide and negative scanner that can give me raw files like my camera does. I have a ancient Polaroid SprintScan 35, and it's frustrating to use. Back then, there weren't raw ...
7
votes
9answers
1k 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, ...
1
vote
2answers
175 views

Sum of pixel values more than incident photons

I'm getting efficiency more than 100% for my camera in ISOs higher than 6400. Under what circumstances does one get more pixel values than the number of incident photons (photon detection efficiency ...
0
votes
2answers
81 views

Best software for upsampling to about 2x?

I have some high-quality RAW files I've processed (some cropping, contrast adjustment, etc.). I need to have them printable at about twice the size I get with the ppi set to 240. I've been looking ...
1
vote
1answer
82 views

Getting raw data of each frame from DSLR video capture [closed]

I want to use a DSLR pro Nikon D3s to record a video and extract the raw data of each frame (like the raw data out of RAW image). So if I record with 24 fps, then I would practically have 24 images ...
1
vote
2answers
60 views

Recover broken images that are corrupt

I had some issues with my computer and sent it out for repairs to a reputable dealer. So far everything came back perfect. I sent it in to be cleaned up and to try and recover some photos that were ...
0
votes
1answer
72 views

Preparing enlargements of raw pictures for professional printing?

If one is having large prints made by a professional printer (say, 3' square or more), does one... (1) ...take care of the enlargement in Photoshop (upsampling to necessary dpi in raw before ...
1
vote
2answers
65 views

dcraw command for 14 bit raw image

I'm using "-4 -D -T" to transform a 14 bit raw image (.nef) to a linear unprocessed tiff image. Is it the correct command? Does the command differ for 12 bit or 16 bit image?
3
votes
1answer
147 views

Does the D7200's 1.3x image area setting crop a RAW file in-camera?

Apologies for the poor explanation, I'm a Pentax guy so not very familiar with Nikon gear, and have been asked if there is any way to fix this problem. My MIL has a Nikon D7200 which has had the ...
0
votes
0answers
23 views

GoPro Protune RAW white balance vs true RAW image? [duplicate]

I am using a GoPro Hero 3+ Black camera for scientific image analysis. It is important for me to accurately document the brightness of the images. I want to get as close to RAW format as possible, but ...
0
votes
1answer
101 views

Measuring SNR of a DSLR from raw image

How can I calculate signal to noise ratio of a DSLR, using raw images? Is it simply whole counts minus dark counts over dark counts?
0
votes
1answer
88 views

Can you duplicate RAW files without losing quality?

A lot of people say that "what happens if I edit my RAW" or "do you lose RAW when you convert to jpeg" and I assumed that if a basic function such as file duplication (copy paste) was valid, they ...
3
votes
1answer
173 views

Are colour profiles ever stored in RAW files?

Recently on a wildlife photography course, the leader asserted that using aRGB in the camera settings meant less loss of data in the RAW file than if sRGB were used. As I did not understand this I ...
4
votes
2answers
405 views

Why is my Canon Raw preview a much smaller filesize than high-quality large, despite little difference in image?

I have a Canon Rebel T5. I can shoot in RAW or RAW+JPEG. When I shoot in the latter, it stores both a preview with the RAW file, as well as the JPEG. I've been using Digikam to manipulate my photos, ...
1
vote
1answer
67 views

Getting a replica of the in-camera JPG using free RAW editors [duplicate]

This question has been asked before for Lightroom but my question is about free RAW editors such as LightZone, Dark Table or Rawtherapee. More detail follows. I've turned off all in-camera ...
8
votes
5answers
3k views

How to convert JPEG to RAW in Photoshop or similar?

I am having a competition in which I have to submit images in RAW format. But I have already clicked some images with Nikon D3200 in JPEG.Is there any way to convert JPEG to RAW format in Photoshop or ...
0
votes
1answer
76 views

How can I tell Lightroom to store masters on the cloud and keep previews on desktop?

How can I tell Lightroom to store masters on the cloud and keep previews on desktop? My library is too big with almost 400 GB full of raw files and stacks going for years. I am running out of Disk ...
0
votes
2answers
96 views

Why does AWR (Sony Raw) file curve at the edge when editing in Photoshop?

My pictures are in AWR (Sony Raw) file and I'm using FastStone Image Viewer 5.5 to view them before I begin the process of editing in Photoshop CS6. When I see the pictures from FastStone Image View, ...
0
votes
1answer
243 views

Nikon D750 NEF files display incorrectly

I got some raw files from a friend who uses the same camera model as me (Nikon D750). I notice that whereas I can postprocess my NEF pictures just fine, his pictures look very very weird when I try to ...
4
votes
3answers
550 views

How does software exposure compensation work in RAW files?

When shooting with RAW files, it is possible to tune the exposure and white balance using software, which is not possible when shooting with JPEG. But I have a stupid question: when you are shooting ...
2
votes
1answer
89 views

Nikon D60 shooting corrupt .nef files

I've been unable to shoot in raw on my camera for some time because the .nef files are corrupted. The corruption is consistent: the bottom half of the image is garbled, replaced by white static and ...
3
votes
1answer
166 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 ...
1
vote
1answer
50 views

creating xmp files without the original raw files

I have been sent a Lightroom catalog of about 500 images to edit. I have done that. The client just wants me to send back the xmp files to add to his raw files, which makes sense, since it's only ...
1
vote
1answer
76 views

What does “linearization” mean in RAW processing?

I would like to ask about the linearization in RAW processing. What does this term "linearization" mean in the theory of RAW-processing ?
2
votes
4answers
445 views

Why I am getting only solid yellow images from Adobe Camera Raw?

I have recently installed Adobe Photoshop CC 2015.1.1 and all of the RAW images opened with Camera Raw look like the attached image. They look perfectly fine on my other computer, with another version ...
0
votes
3answers
215 views

Do Raw camera images store colors logarithmically, with black near 0 and white at infinity?

Is this saying correct ? Raw camera images store colors in a logarithmic scale. The blacks in these images are nearly 0 and the whites are supposed to be infinity.
1
vote
2answers
94 views

Why does the Canon 450D have only 14bit depth RAW images?

According to 3.4.2. section "data precision" on this website, the Canon 450D has 14bit deph. Canon CR2 stores RAW data as JPEG Lossless format. Image size: 4312x2876 CFA: 4313x2877 (bayer sensor ...
1
vote
1answer
132 views

What's the difference between Raw Vs Raw+L mode?

Whats the difference between raw mode and raw+L mode on a digital camera? Which is best for commercial photography?
25
votes
4answers
4k 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 ...
2
votes
3answers
120 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 ...
1
vote
3answers
739 views

The CR2 photos I take on my Canon will not save as an image file. How can I fix this?

I copy and pasted my photos from my Canon Rebel SL1 straight to My Pictures on my computer. They appear to be image files, but the file type is "CR2". When I try to post them on Facebook, image ...
0
votes
1answer
53 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 ...
1
vote
5answers
256 views

What's the best way to choose the aspect ratio: in-camera JPEG or RAW and cropping?

Which approach is better for my APS-C Canon 750D dSLR? Capturing images in JPEG and an aspect ratio as 1:1 or 3:2? (for portrait and landscape photography) Capturing images in RAW format and later ...
0
votes
3answers
104 views

Problem with DPP from RAW to TIFF (16 bits)

I'm currently using DPP to transform RAW files to TIFF (16 bits) files, and I have encountered some issues with some MATLAB routines I use to analyze the files. Tracing the problem, I noticed that the ...
2
votes
1answer
90 views

Is there a comparison resource supplying RAW photos for download?

I'd like to compare some digital cameras for purchase. All of the online reviews I can find offer JPEG samples (which means the RAW data has been filtered and modified according to the settings on ...
0
votes
1answer
114 views

Separating images from one multiple exposure image on Nikon camera

By mistake, I have images that have dual exposures superimposed in Nikon RAW format. These exposures were 2 seconds apart, so, it needs to be separated. Is there any way to separate these exposures ...
1
vote
2answers
129 views

Does A RAW file exist containing the full dynamic range of a natural scene with a ratio of 100,000:1?

I've just read Karl Lang's excellent whitepaper - Rendering the Print: the Art of Photography. In it, he mentions that the ratio of light to dark in a 'natural scene' can have a ratio of 100,000:1, a ...
5
votes
1answer
139 views

What's the Purpose of the TIFF image stored inside Canon CR2 Raw file?

The CR2 files from my Canon 5D Mk III contain three preview or thumbnail images: Preview 1: image/jpeg, 160x120 pixels, 17837 bytes Preview 2: image/tiff, 592x395 pixels, 1403040 bytes Preview 3: ...