On 28 Nov 2005 at 18:54, Jack Davis wrote: > I'll work on being "meaningful." In the meantime I'd love to feel > content with an answer to what I though was an embarrassingly basic > question: Will a 1.5mb or 1.5mp jpeg produce as sharp a 20x30 print as > a 6.0mb or 6.0mp RAW capture? > My guess is that based on mb, no.
Correct, there's no magic to JPEG compression, as you scale down the print size of course the differences will be overcome at a particular size (as determined by the characteristics of the printer). > Re-opening a seriously compressed jpeg should be sparingly done to > avoid artifacts? B'lieve that's what I heard and have experienced. Opened and saved yes, if you are intending to edit and save it more than once you are best off saving the first edit as a TIFF or in some other no-loss format. Rob Studdert HURSTVILLE AUSTRALIA Tel +61-2-9554-4110 UTC(GMT) +10 Hours [EMAIL PROTECTED] http://members.ozemail.com.au/~distudio/publications/ Pentax user since 1986, PDMLer since 1998