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A file format is a particular way that information is encoded for storage in a computer file.

learn more… | top users | synonyms

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2answers
72 views

Possible to open Capture One preview/proxy files in Photoshop?

One of our photographers lost his raw files from a photoshoot, but we still have the Capture One preview/proxy files (.CR2.cop) and I'm trying to find a way to extract image data from them to salvage ...
1
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1answer
177 views

Nikon D600 - shot raw but ended up with 2x JPG

I have been using a Nikon D600, and I thought I was using the raw mode (it said RAW on the screen). However after copying from the card to my computer, I have only managed to get a set of paired jpegs ...
1
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0answers
127 views

About Raw file format of Hasselblad H5D

We have a very good image manager which reads the Hasselblad H4D raw files and I want to ask some questions: Does someone know if the RAW format of Hassy H5D is the same with the H4D? IOW, if we can ...
2
votes
3answers
933 views

Did the Canon Raw format change in 70D?

Have there been any change in Canon's RAW (CR2) format in the Canon EOS 70D camera, comparing to older models like the EOS 60D? I could not open the 70D RAW files in Photoshop on a friend's computer, ...
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0answers
68 views

Is there any data loss when we convert RAW format to .DNG? [duplicate]

I have a Sony SLT A58 and I usually capture with .ARW format(Sony's RAW), however as I have an older version of Lightroom so I have to convert the ARWs to .DNGs using the Adobe DNG Convertor to edit ...
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2answers
88 views

How to open 'RAW' file from UltraCam-Xp WA camera?

Is there any software which opens Digital Camera 'RAW' file format (size- 47 mb)? I tried Photoshop cs2 but it shows stretched pixels. I tried to import it in Erdas, it also shows error that ...
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votes
1answer
148 views

How to change .MOV file format to .AVI in Canon 650D [closed]

I have Canon 650D which I use mostly for video shoots. My question is: How can I change the video format via the camera settings? Is there any possibility to do that? The reason because my video ...
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4answers
1k views

Difference between PNG and RAW, other than compression?

I know that many professional cameras shoot in RAW. PNG has lossless compression which would allow cameras to save more shots than RAW. This leads me to wonder if there's anything special about RAW ...
0
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2answers
153 views

How do I convert a single FITS image into Red, Green and Blue images? [closed]

I've been looking for a software to get a FITS file and export 1 file for each of the RED, GREEN and BLUE channels. I came across Nebulosity last week, but I can't buy it's licence since I live in ...
3
votes
1answer
216 views

What are the files *.DSC, *.CFG and *.XMP and their purposes?

I am using a Sony Alpha-100 DSLR camera (and don't use the Sony software). The files, both RAW (*.ARW for Sony) and *.JPG, have a DSC (Digital Still Camera) prefix then a number. The photos are in a ...
2
votes
3answers
375 views

Is it better to print from jpg or tiff on A2 paper?

I just read the answers here, but if we are talking about printing high quality in A2 format (that's about 16"x23", for those not used to ISO standard paper sizes) on a good printer, is it possible to ...
3
votes
2answers
1k views

What information is contained in “filename.jpg.out.pp3” file?

When I edit my RAW file in RawTherapee and save it as JPG, the application creates another companion file along with the JPG — a file with the extension .jpg.out.pp3. What is the purpose of this ...
14
votes
6answers
3k 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 ...
9
votes
6answers
5k views

What quality to choose when converting to JPG?

When you export a picture to JPG you can normally choose its quality in a 1-100 scale. I like to keep a good quality but it wouldn't make sense to keep a JPG that will be almost as big as the original ...
1
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2answers
75 views

Is it a good way store photo sets in a djvu file?

I have many set photos and i need organize them in packages, albuns something like that. I was storing them in a zip or cbz file, but djvu files seems best. What do you think about?
3
votes
1answer
1k views

What is lost when RAW is exported to TIFF for editing?

Is anything lost when you export from (Canon) RAW files to TIFF? For context: I backup and archive my RAW files, and keep a separate (Aperture) library for exported JPEGs. So far my workflow has been ...
6
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6answers
2k views

Why isn't saving photos as TIFF files a popular choice by DSLR manufacturers?

Why do many DSLRs have the option to save in RAW or JPEG but not in TIFF? It would be useful to save it as a TIFF file using lossless compression. It would be a midway between RAW and JPEG. Is it ...
1
vote
3answers
334 views

What is the difference between the different ways to export JPEG files from Photoshop?

Photoshop allows you to save the processed image as JPEG in two ways. Save As and Save for web. I have observed that Save for web gives more options like converting to sRGB etc. I have also observed ...
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3answers
518 views

How can I work around Photoshop Elements 7's inability to open JPG files from my Android phone?

I copied some photographs that I took with my Android phone to my laptop. When I tried to open them with Photoshop Elements 7.0, I received the following error message: Could not complete your ...
0
votes
1answer
265 views

What are compressed image formats with high quality/size ratio?

I'm looking for an image format, unpopular as it may be, that has good quality and also good compression. After I'm done post-processing my RAWs I want to export them in a way that's shareable and ...
7
votes
2answers
769 views

Should I care about jpeg2000 (and does anyone else)?

I know the question is a bit subjective, what I'm after is if there is enough improvement in jpeg2000 and enough support in software (image viewers, browsers) to warrant using it.
17
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6answers
6k views

What are jpeg artifacts and what can be done about them?

I know JPEG is a "lossy" compression algorithm that discards information in order to save space. What is the visual impact of this? I've heard of "JPEG artifacts". What do these look like? Are there ...
7
votes
4answers
891 views

What is a reasonable file format for film scanning?

I'm looking to use my CanoScan 8600F to digitally archive the photos I've shot on film. The issue I've stumbled on is deciding on a file format. Ideally I'd like something that is lossless but with ...
6
votes
3answers
263 views

Is there an open format to share image editing information?

I'm trying to find what would be the easiest way to share editing information across application while keeping the original image. My needs are pretty basic: I do keywording, toning and white ...
0
votes
0answers
213 views

Preserving SRW files? [duplicate]

Possible Duplicate: How do I make sure my RAW files are readable in the future? I'm using GNU/Linux and am an open format guy, so I have a proprietary SRW file from my Samsung camera. Now, ...
7
votes
3answers
4k views

Is TIFF really of higher quality than PNG-24?

I've been doing some research to try to figure out why more people do not store high-resolution image files as PNG-24. PNG has exactly-reversible, lossless compression, it is a net-friendly format so ...
6
votes
4answers
2k views

Should I save an image as png, jpeg or bmp?

If I edit an image file using some application like Gimp, Photoshop or MSPaint, while saving I will be asked to select the required file-format. There are different formats available, the common ones ...
20
votes
7answers
5k views

Is it better to store edited photos as PSD or TIFF files?

After editing/retouching a photo in Photoshop, if I want to store that file long term with the edits, what are the advantages/disadvantages of storing it in TIFF vs. PSD format? There's a ...
3
votes
3answers
6k views

What's the difference between PEF and DNG RAW formats?

I just recently purchased a Pentax K-r. It has two formats to shoot raw with, PEF and DNG. Are there advantages or disadvantages with using one over the other?
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4answers
2k views

Why does the RAW file format take up so much more space than JPEG?

When I have it set to the highest JPG quality, my 8GB card can hold about 1000 images. If I switch to RAW format, it drops the capacity to about 200 images. So why do images captured as RAW take up 5 ...
23
votes
5answers
2k views

Why don't cameras support JPEG 2000 format?

The original JPEG format was updated in 2000 to provide a variety of features including less artifacts, better compression and lossless compression. Why haven't cameras updated to use this new ...
47
votes
7answers
6k views

Why don't most cameras support PNG format?

I prefer PNG format to JPG, because JPG uses lossy compression. When I capture a screen in my PC or scan a picture or document in my scanner, I always save them as PNG format. If a camera could ...
7
votes
9answers
57k views

How to reduce the file size of my photos (to under 15 MB)?

I don't have a "Pro" account on Flickr, just the free one, so my photo uploads are capped to 15 megabytes/file. After post-processing, my photos end up being too large to be uploaded to Flickr. I do ...
4
votes
3answers
3k views

How can I resize Raw images and store them back in the original format?

I have some raw images captured using Canon,Nikon,Minolta cameras.(*.CR2, *.NEF, *.MRW) I want to change resize them and store them back as the original format. I checked in two tools, Canon ...
10
votes
5answers
24k views

Should I use JPG or TIFF for high-quality prints?

I am putting together a photo book. I shot all the photos in RAW. The prints will be 300pi on 13x11 inch glossy paper. I am laying out the pages in InDesign, which doesn't allow me to import and place ...
11
votes
2answers
2k views

Does the Canon *.CR2/CRW format contain “truly RAW” data?

In my work I am dealing with *.CR2 raw images taken by a Canon DSLR in raw mode. When I read about the format here, I was surprised to find that it has 4 TIFF IFDs which contain a) Original Size JPEG ...
7
votes
1answer
568 views

How many different RAW formats are there?

All major manufacturers seem to have their own raw file format. How many of them are? Do they all have similar information? Is there any standard?
21
votes
12answers
1k views

How do I make sure my RAW files are readable in the future?

I've recently started to use RAW with Lightroom. I'd like opinions on how I should make sure my images are readable (not necessarily editable) a few years hence. Heck, let's say a decade some decades. ...
3
votes
4answers
1k views

How can I convert a proprietary raw image format to Adobe DNG?

I have a proprietary raw camera image format taken from a Aptina camera. Its raw file format is 16bit per color channel, 'GRBG' mode with file extension .raw. No headers, nothing, just plan raw bayer ...
24
votes
4answers
2k 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 ...
23
votes
8answers
2k views

Which is a better way to store your photos? RAW or TIFF?

I have read posts that alot of photographers are using RAW to store photos. But the problem I am having is that how do you people view the photos easily when you need them? In the beginning I have ...
24
votes
6answers
2k views

Which cameras support DNG natively?

Not all cameras support DNG natively. That is, if you want to process DNG files they need to be converted from the camera's proprietary RAW format to DNG afterwards. So, which cameras support DNG ...