size of JPG after processing

Started Feb 8, 2013 | Discussions thread
Veteran MemberPosts: 7,761
Re: size of JPG after processing
In reply to beshannon, Feb 8, 2013
beshannon is correct.
There are lots of ways to make the file size larger. For example you could add noise. Or you could apply sharpening or other filters. Though the file size may increase, the image has lost information at each stage.
The only time I pay attention to JPEG file size is as a crude guide to which shots can be deleted. An out-of focus shot or one suffering from motion blur will tend to have a smaller file size - out of the camera, than a sharp, detailed image. But, subject matter is important too. Detailed foliage may create a larger file size than a simpler subject, but in that case the file size doesn't tell us anything about quality.
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