Westminster fountain at sunset

by Jorge Córdoba

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1
vote
0answers
25 views

Is GoPro “Cam_Raw” a true RAW image format? [migrated]

I've seen this post about what exactly "RAW" is. My question is about the GoPro Hero 4, which comes with the Protune option for "advanced controls". Is their "Camera_Raw" format a true RAW image ...
5
votes
4answers
1k views

Why does Darktable export enormous JPEGs?

I have a Nikon D3200 and just started shooting in Raw. Raw files are 18-24mb, and if I convert them to JPEG using Nikon's ViewNX 2, I get 8-12mb files at the top quality and resolution using sRGB; ...
0
votes
1answer
2k views

Most effective lossless compression for sending RAW (CR2) images over the internet from OS X

I am looking for a compression software to work on folders full of RAW (CR2) files with the following characteristics: Lossless Excellent compression ratio (>70% would be nice) Reasonable ...
1
vote
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 ...
6
votes
2answers
930 views

What kind of artifacts will Nikon's lossy NEF compression algorithm cause?

The D7000 has two options for NEF compression: "Compressed" and "Lossless compressed" -- the manual says NEF images are compressed using a non-reversible algorithm, reducing file size by about ...