Good, you answer just what I wanted. Thanks.

I'm not a professional photographer, so, I don't know if the information they showing is good or not, so if you say "haven't included tags that they feel are not very useful", I trust in you.

I'm trying to save the exifdata from the photos in a db, but I don't want to save/show 300 fields, I just want max 100. The most important ones. I filter the tags with IFD0 and ExifIFD, is there another group which its really important for photographers?

Thanks again, sorry to many questions, I'm newbie with exif and perl.