Nidelva river through Trondheim Norway

Nidelva river through Trondheim Norway
by Saaru Lindestokke                

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

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1
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4answers
3k 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 ...
27
votes
5answers
3k 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 ...
50
votes
7answers
12k 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
8answers
104k 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
5k 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 ...
17
votes
6answers
115k 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
686 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?
23
votes
12answers
2k 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
2k 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 ...
26
votes
4answers
3k 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 ...
26
votes
8answers
4k 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 ...
85
votes
5answers
3k 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, ...
27
votes
6answers
3k 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 ...