What use is EXIF?
From time to time I get asked questions like: There is no EXIF data with the file what exposure did you use?
Its a question I don't really understand. I mean even if I tell you that a particular shot was taken at 1/100 sec at f8.0 what useful information does that convey? Similarly if one knows that an image in the gallery was taken with a Dodo 100-300 zoom XT lens, what use is that?
My personal opinion is that, despite the fact that such data gets pasted by rote into all photographic books and magazines, it is for the most part useless noise.
Can anyone tell me what practical use it actually has.
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