Here's a handy reference that discusses the ISO paper sizes: <http://www.cl.cam.ac.uk/~mgk25/iso-paper.html>
Maybe more than you wanted, but the sizes in mm are there, too. t On 8/26/04 14:24, Don Sanderson wrote: > Jostein what's the size in MM (or inches) of A2/A3? > > Don > >> -----Original Message----- >> From: Jostein [mailto:[EMAIL PROTECTED] >> Sent: Thursday, August 26, 2004 3:42 PM >> To: [EMAIL PROTECTED] >> Subject: A3 prints from *istD >> >> >> Gang, >> >> A while ago, I questioned whether files from *istD would suffice for >> A3 enlargement. I put a full size version of this image online: >> >> http://www.oksne.net/paw/wintermarsh.html >> >> The image is so full of minute detail that I had my doubts it could be >> blown up larger than A4. >> >> Cotty and Paul Stenquist set out to prove me wrong. A couple of days >> later I received a print from Paul made on an Epson 2200 onto a >> radiant white watercolour paper. The quality was excellent, even to my >> prejudice mind. Cotty had printed on glossy paper with his Canon (I >> forget the model), and thus the two prints were hard to compare for >> differences among the printers. However, the two results clearly >> showed that A3 enlargements are well within reach with a 6 Mpix >> camera. >> >> So I got curious. I asked a pro-lab in Oslo to go as large as _they_ >> considered reasonable quality, and told them the file was from a 6 >> Mpix DSLR. They print on a Epson Pro 9600. What I got back was an A2 >> enlargement. At this size, it was easy to spot the blurring of details >> less than 3 pixels across. The Pentax way of anti-aliasing made them >> blend together. There were no artificial coloring or moire, though. >> Another gripe was that contrast got a bit out of hand, so that dark >> detail became jagged edges or little squares, 2-3 pixels across. The >> ghosts of Nyquist came out and said boo... Still around the >> theoretical limit, I suppose. >> >> BUT! from a 50-60 cm viewing distance, even the A2 is passable for >> hanging on a wall. By my standards, of course. Ymmv, my expectations >> were that this was a no-go. >> >> I must say I'm puzzled, astonished and impressed with the result, and >> relieved to have been proven wrong in my suspicions. >> >> So now I'm seriously considering an A3 printer...:-) >> >> Jostein >> > > >
