A file format is a particular way that information is encoded for storage in a computer file.
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3answers
123 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
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2answers
148 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 ...
12
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4answers
1k 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 ...
7
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6answers
434 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 ...
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2answers
70 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
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1answer
769 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 ...
4
votes
5answers
763 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 ...
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3answers
191 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
352 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
169 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 ...
6
votes
2answers
373 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.
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6answers
3k 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
567 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 ...
5
votes
3answers
208 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, ...
6
votes
3answers
1k 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 ...
5
votes
4answers
818 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 ...
16
votes
6answers
3k 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 ...
2
votes
3answers
3k 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
949 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 ...
22
votes
5answers
1k 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 ...
41
votes
7answers
4k 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 ...
6
votes
9answers
26k 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
2k 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 ...
8
votes
2answers
6k 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 ...
8
votes
1answer
1k 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 ...
5
votes
1answer
432 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?
20
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.
...
2
votes
4answers
735 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 ...
19
votes
3answers
1k 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
6answers
1k 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 ...
21
votes
6answers
1k 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 ...
