Re: Reducing File Size with Photoshop

[Ryan K. Brooks]

Jens Bladt wrote:
Can anyone explain:
Why is the file size of an *ist D image say 3.936 MB in the Path Finder, and
17,3 MB when opened in PS?

 

Because PS keeps it in memory uncompressed, so it's "footprint" is 
megapixels*bitdepth.

-Ryan