>"A decent photo quality print would be at least 300ppi, printed on a printer capable of at least >1200dpi"
Ahem... check your numbers. I guess it depends on what you mean by decent photo quality. I've printed hundreds of images @ 240 to 300ppi on Epson printers with lower than 1200dpi capability and I've gotten better than decent results. Sold a bunch also. Kenneth Waller ----- Original Message ----- From: "Don Sanderson" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, November 17, 2004 12:52 PM Subject: RE: Pixel Puzzlement > A "pixel" has no dimensions, it is just a piece of data. > It is "given" dimension by the "output device" whether that be printer, > monitor or whatever. > A pixel displayed on a monitor at 72dpi is very large indeed compared > to the same pixel printed on a 1200dpi printer at 1200ppi. > Note that ppi refers to a "desired output size" and dpi refers to the > *capability" of an output device such as printer or monitor. > A decent photo quality print would be at least 300ppi, printed on a > printer capable of at least 1200dpi. > 2008x3008 pixels does not in any way refer to image size, it simply > states that there are 6,040,064 "picture elements" in the image. > How many ppi this is sized to or how many dpi it is displayed at > is dependent on the software/hardware used. > (Clear as mud?) ;-) > > Don > > > -----Original Message----- > > From: Shel Belinkoff [mailto:[EMAIL PROTECTED] > > Sent: Wednesday, November 17, 2004 11:09 AM > > To: [EMAIL PROTECTED] > > Subject: Pixel Puzzlement > > > > > > I've been pondering this perplexing pixel problem for a while, and thought > > that someone here may have the answer: How large is a pixel? > > > > What I mean is this. If there's an image that has a resolution of 72ppi, > > typical for web presentation, and another image, from a scanned version of > > the same source, of 4000ppi, are the pixels in each image the same size? > > It doesn't seem possible, since if 72 pixels make up an inch each > > individual pixel would seem to be larger than if there were 4000 pixels in > > the same space. But then, if an image has more pixels per inch than > > another image, why is the image larger. Example: one scans a photo @ > > 100ppi and again @ 1000ppi, the 1000ppi scan has greater dimensions, but, > > it seems to me, it's just crammed more pixels into the same space, and the > > dimensions should be the same, right? > > > > > > Shel > > > > >
