Originally posted by thepachman What determines the size of the JPEG that is generated?
Essentially, the complexity of the scene and the number of different colors. If you take a photo of the moon, for instance, your filesize will likely end up in the 1-2Mb range just because there's so little data in the image.
The same applies to RAW files, albeit to a lesser extend as those are compressed losslessly and have 14 bits of color data per channel, rather than 8.
Adam
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