Originally posted by normhead When printers started going to 144 DPI, the results were pretty much breath taking. 300 DPI is probably complete overkill.
I fully agree. Prints 20x30" I have here from a K5 shot at 17mm/f16 and K3 shot at 50mm f5.6. From the K5, fringe is slightly visible if I look very very close, but is hard to see. K5 print isn't 100% as sharp as the K3 print because there is a little diffraction at f16, but I have to stick my nose on the print to see it, and it hurts my eyes. With a the K3, there is not way I can see any pixel or hint of it, even after upgrading my glasses for 20/20 vision. My target very high quality print sizes with the K1 are 120 x 80 cm and 150 x 100 cm with very fine details. But that's assuming looking at the print from a 10 inch distance.
More important than resolution for the print are tone gradation, framing, paper, finish and the light falling on the print. A print is really not like displaying on LCD/LED display, a print is a finished product that is another way to appreciate a photograph, but many people get confused with using electronic displays.