On Fri, September 23, 2011 10:45, Herschel Mair wrote: > Billboards, banners and other big outdoor advertising is converted to > big dots through a Raster Image Processor. As long as the original image > is sharp and well exposed, it could very reasonably be shot on a 6MP > camera. I have had a museum use 6MP images of mine for two banners > hanging 2 stories high (about 30 feet) by about 6 ft wide. So it was a > strip down the middle of a 6 MP frame..... I'd guess about 600 by 3000 > pixels... what's that.... 1.8 MP? > I had told them it couldn't be done but I was wrong. It looked great > from the road. Well, that sure trumps my "over-enlarging" stories! Viewing distance is everything. -- David Dyer-Bennet, dd-b@xxxxxxxx; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd-b.net/photography/gallery/ Dragaera: http://dragaera.info
