SamuraiAZ
TPF Noob!
- Joined
- Jul 12, 2008
- Messages
- 8
- Reaction score
- 0
- Location
- Phoenix, AZ
- Can others edit my Photos
- Photos OK to edit
How big are they usually?
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8 -10mb from a Nikon D80. That is in Nikon's NEF format. Others will vary from brand to brand. But about there.
Depends on the camera and even on the image.
I think it's dependant on the sensor/camera. My RAW files (Canon 20D) are 6.8 to 9 MB.
A photographer I know is using a 1Ds mk III (22 MP), and the RAW files are 30-40 MB...he had to upgrade his computer's processor to handle them without bogging down too much.
That doens't sound right. I've always heard that RAW files were not compressed...at least not the image part of the file. The other info might be. TIFF and PSD files are always larger than the RAW file.
The way I understand it...a RAW file isn't technically an 'image file' like JPEG & TIFF are. It's the RAW data from the sensor...which needs to be 'converted' before it can become an image file. We can see & preview the RAW files because they have an embedded JPEG image. So once you use the RAW data to create an actual image and save it as an uncompressed image (TIFF)...then you see how big of a file it becomes.