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Junk is data that is irrelevant, useless, that has nothing to do with processing a file for a photograph, and
would only prevent the photographer from his/her intent to produce a file = to, or superior than, a JPEG.
It includes information that varies from one mfr. to another and includes codes they wish to protect from
their competition. This "junk"to you, essential to them, is the sort of data that is removed by the mfr. when
presenting to you the option to shoot a JPEG file. That is, it is pre-processing.
After all, you didn't really think the co. that sold you your camera would delete anything that would
cause them to, "shoot themselves in the foot", by removing data that you need. But that seems to be the
view that many champions of RAW have come to believe because necessary data, and junk data, was
never explained to them. Just believe,... your Nikon and your Canon people really are in competition, right?
* * * * * br Junk is data that is irrelevant, usel... (