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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156 views

How to strip iPhone DNGs of preview JPEGs?

It has been hypothesized elsewhere that the reason why OS/X Preview program presents Apple iPhone DNGs in such a way that they look inaccurate (i.e. "bad") vis a vis the actual objective scene details ...
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440 views

What demosaic algorithm is best for DNG to B&W conversion?

I figure that at some point someone has devised a demosaic algorithm that is optimal for converting a Bayer DNG to a B&W photograph. But what is that algorithm called, and what image processing ...
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324 views

Adding Exif data to a tif increases the file size

I have some jpg images exported from RAW files using UFRaw and they are very large in size(>15MB). So, in order to save space, I opened them in GIMP and re-exported as tif images with JPEG compression ...
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will i lose data/quality converting my raw files to jpeg on my pc? [duplicate]

will converting raw files to jpeg be the same as taking a jpeg photo to begin with? or will I keep my raw quality converting it to jpeg post shoot?
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Since Picture Profiles don't apply to RAW, why do they affect the viewfinder?

I have been researching picture profiles and have read mixed reviews regarding the application of picture profiles when shooting stills. From what I have read, PP is not applied when shooting in RAW, ...
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798 views

Why are my product photographs not sharp?

I just bought a Canon 750D. The picture has too much noise. The detail/shine of the diamond is not really showing. I am also using a tripod and timer. The lens is the EF-S 18-55mm ƒ/3.5-5.6 IS STM. ...
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254 views

How do I open and edit a RAW image from a board-mounted CMOS sensor?

I have a CMOS sensor mounted on a board that can capture photos in RAW and JPEG formats. The JPEG images are fine and work as expected the issue is when I try to work with the RAW images. I am ...
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1answer
852 views

NEF seemingly corrupt except in ViewNX-i - how to repair?

I have one NEF file that's showing perfectly fine in ViewNX-i but that displays blue or green color banding at the bottom of the image with every other tool I throw at it (MacOS X Sierra 10.12.4 ...
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1answer
577 views

Gropro Hero 5 Black vs Conventional DSLRs (Image Quality and Post Processing)

I own a few different DSLR and mirrorless cameras which I use for different purpose (Nikon D7000, D750, EOS M3). Recently I have decided to purchase a Gopro to make some videos as I've watched a few ...
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470 views

I am trying to sort Nef and Jpg images.

I am a Jpg/NEF shooter, After a shoot I download all of my jpg. I then sort which images I want as .jpg's using Media Pro. Its faster then LR or Bridge. If I need to do post production work on a ...
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2answers
970 views

Why am unable to use HDR while using RAW format on my DSLR?

I have a Nikon D5300 with 18-55mm and 55-200mm lens. I try to click in RAW format so I can get better adjustment after the click. But while using RAW format, why I am unable to turn on HDR mode. Why ...
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715 views

How can I convert RAW files with proper distortion correction from the command-line?

I'm close to fully automating a process of stacking bursts of pictures into one image thanks to Hugin's command-line tools, however there's one part I can't automate yet, it's converting RAW into ...
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1answer
6k views

Shutter count for Canon EOS 60D [duplicate]

My Camera model is Canon EOS 60D. I am using this last three years. How can I know the shutter count for my camera ? Thanks in advance. Jayanta P.
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231 views

Black level unchanged after long exposure noise reduction

I took 2 raw photos with the lens cap on: One with Long Exposure Noise Reduction turned on, one with LENR turned off. Checking the tags in the Raw file, BOTH report black levels of [200, 200, 200, ...
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Why are my pictures saved in RAW format in manual mode on my Nikon D7200?

Does anyone know why my Nikon D7200 saves my pictures as .nef when in manual mode? Image quality is FINE, but I can't figure out how to change it back to saving images as JPEGs. I also want to be ...
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2answers
191 views

Approximating raw image data from app-less iPhone6 by reverse processing using meta data?

note: To preserve @MichaelClark's substantial answer below, I've volunteered to leave this question here and allow it to be closed, instead of just deleting it (see discussion below the answer). That ...
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3answers
156 views

Do different smartphone apps create different raw pictures?

Androids camera-2 API supports taking photos in raw format (dng for my Nexus 5) with an appropriate camera app. Since there are different apps I could use, I'm wondering if the raw picture data ...
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1answer
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Why are files auto-converted to JPEG when transfer from Nikon D7200 to a PC?

I clicked all my pictures in RAW-only format. But when I transferred to my PC all my files are auto converted to JPEG. Please note I selected only Raw in my camera settings, not Raw + Jpeg. For ...
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3answers
2k views

Why are my highlights purple?

I was shooting a subject that featured a lot of sunlight shining across a surface. In some of the photos, the sunlight appears to have a purple tinge to it. In others, the colours are more natural. ...
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6k views

How to access RAW image of Nikon D7200 in Lightroom 5.7 or Photoshop CC?

I have Nikon D7200, I clicked all my pics in .NEF(RAW) format, now I am unable to access the images in Lightroom 5.7 and Photoshop cc, I tried to install plug-in in Photoshop cc, but some how failed ...
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1k views

Is there any way of achieving cross-application non-destructive RAW editing? (Maybe xmp files?)

Is there some way of saving (basic) non-destructive RAW developing/adjustments that is not limited to a particular app ecosystem (eg Adobe)? Understandably some transformations are proprietary (eg. ...
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6k 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 ...
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30k views

Can I get original JPEG image from CR2 file format? [duplicate]

I am not professional photographer , but i have a professional camera (Canon). I had shoot my pre wedding photos with this camera. So when i was open , it will be converted into black and white after ...
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2answers
752 views

switched to RAW and seeing ugly light bands in Lightroom

I am used to working mostly with jpeg, but I switched to RAW and in my shoot today I see a lot of problems in night shots. notice how the purple sky has waves of color boundary rings. I am shooting ...
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684 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 ...
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310 views

Regenerate DNG previews in Lightroom 3

I'm apparently entitled to unlimited storage with Amazon (Prime Photos) and I've uploaded all my DNG images (about 20GB) to their "cloud". When I view them online, they are tiny. Apparently that's ...
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1answer
601 views

Can I use Imagemagick to unrotate Canon RAW pictures in batch?

I’d like to use Freds unroate script to unrotate a bunch of Canon *.cr2 RAW files and keep them in the RAW Format. I’m able to use the script as a batch file for a folder of jpgs: for pic in *.jpg; ...
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271 views

Noise reduction in Adobe Camera Raw

When I open a raw file shot in ISO 1600 in ACR there is very little noise in the photo. But after color adjustments when i save or export as a JPG file there is much more noise visible. How can I ...
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1answer
146 views

Will saving in RAW + JPG provide the same IQ result as saving them both separately?

Storage is cheap nowadays, and carrying a few extra SD-cards aint to heavy. Is there a real downside to this option? Besides filling up more memory and some extended loading times? The question is ...
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1answer
2k views

How to find corrupt CR2 files?

Today I found out "by accident" that some of my CR2 Canon raws are corrupt. The EXIF data and the file structure is fine, it's the raw image data itself that appears to be broken. The Adobe DNG ...
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373 views

Lightroom messing with photo when importing RAW

When I'm trying to import to Lightroom CC 2015 my photos taken in my Canon 5DS using the format RAW(cr2 files) some photos are being messed. I've already tried to upgrade the Camera Raw codec to ...
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954 views

How to make backups of RAW files from a DSLR without a computer?

I want to make backups of RAW files from my SD card during my travel. I do not want to carry a computer, a rotating hard drive, or an Android phone. I do have an SSD of 500gb with me. One idea was to ...
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1answer
814 views

Are my RAW photos underexposed?

When I take RAW images with my Canon 1300D and import them into RawTherapee, they always appear very dark and/or lacking in contrast until I increase the Lightness, Contrast, and Saturation to 50 (...
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4k views

What makes RAW files difficult for manipulation?

The only available tool able to create a RAW file is, as far as I know, a camera, and there are no standard tools to manipulate it. I've heard that's why RAW files are used in different photography ...
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2answers
118 views

What header string can I use for PEF identification for file recovery?

I use Linux for handling my pictures. I lost a disk that contains a lot of Pentax PEF files and JPEG files. I was able to recover the JPEG files with the tool foremost. It can be configured to recover ...
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1answer
771 views

Verifying the integrity of your library

After reorganizing my image collection I moved a bunch of photos between different hard drives. While copying, I did get error messages. Fortunately, I had made multiple copies before doing the ...
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3answers
2k views

Nikon d7200: How do I set up the function button to take a picture as a JPG?

I normally do all of my photography in RAW, but sometimes I want to take a picture as a JPG, and I would like a quick way of doing this. I see that I can set my camera's default to JPG and use the ...
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1answer
835 views

Canon 5D mkIII: Preview initially look underexposed when shooting flash

I was shooting today using two off-camera speedlites fired using radio-triggers. Images were captured in RAW. Mode was AV. I have the camera set to display the captured image for a few seconds ...
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1k views

When is it better to use HDR rather than just pulling extremes from a RAW file?

When I shoot in raw instead of jpeg, I can bring out the darks and suppress the lights very easily for pretty much every picture I shoot when I edit in Lightroom. Since HDR is meant to capture detail ...
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3answers
407 views

Can I save color images while reviewing them in B&W with an EOS camera?

Is there a way I can take RAW color images with a Canon EOS camera while reviewing them in B&W on the LCD screen on the back of the camera? Sometimes I might want a color image but would like to ...
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1answer
710 views

Can I set the display on Canon G9X to monochrome when shooting raw?

My old G9 (no X, from 2007 or so) can do this but I remember Canon removing the feature on the G10 and probably from subsequent models. I guess the reasoning was that raw is always in colour anyway. ...
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1answer
725 views

Why isn't Matlab/Octave reading in the entire 14 bits of my .NEF raw files?

I am using a Nikon D5200. I intend to do some image processing on the raw images shot with the camera. But I am encountering a problem when I read the raw images using GNU Octave. Rather than giving ...
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1answer
506 views

Darktable doesn't recognize tamron 18-270mm lens [duplicate]

first of all my specs: I'm using Ubuntu 16.04, my lens is a Tamron 18-270mm F/3,5-6,3 Di II VC PZD and I'm using Darktable 2.0.6. I updated my lensfun library using the article of Torsten Bronger. My ...
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2answers
1k views

Will a faster SD-card let me take more photos in a row?

I use a Canon 600D with various lenses, and I currently use a memory card with 30mb/s. I always shoot raw and I've recently discovered that, if I shoot 4 - 5 RAW photos in a quick sequence, the camera ...
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2answers
6k views

Does converting image file formats affect quality?

Does converting image formats, such as from JPG to PNG, have any effect on image quality? I know converting from RAW to JPG has disadvantages, but what about other format conversions?
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87 views

How do Adobe Smart Previews work?

I've always been under the impression that you cannot resize a raw image. Adobe Smart Previews seem to do just that - you keep all the power of raw images, just in a much smaller size. How does this ...
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1answer
138 views

Is it possible to convert M-RAW or S-RAW to RAW after shooting?

Is it possible to shoot M-RAW or S-RAW files with all their advantages and convert them into RAW files later? Is there software available for this task?
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544 views

Maximum jpeg conversion size from a 24 Meg Nef File

Can you tell me how big a JPEG file I can create when converting a NEF file in Lightroom?
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1answer
6k views

What's the difference between S LOG and V LOG [closed]

I know what logarithms are, what shooting RAW is, and how storing images logarithmically increases details in shadows. But what's the difference between "S log" and "V log"? I've also seen mention ...
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1answer
119 views

Color transitions lightroom vs photoshop

I have a picture in Lightroom, crop looks like this. Yet when I open the same picture in Photoshop (either directly, or rendering it in Lightroom and opening the render), I get different results. The ...

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