Archived posting to the Leica Users Group, 2007/09/07
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Exactly what I was looking for ... thanks Gilbert. ----- Original Message ----- From: "J. Gilbert Plantinga" <lists@gilplant.com> To: "Leica Users Group" <lug@leica-users.org> Sent: Friday, September 07, 2007 10:49 PM Subject: Re: [Leica] Question about Lightroom and an Epson 3800 Printer > The Epson driver runs at a native resolution of 360 ppi. If you send > the printer anything else it resamples the image. This resolution is > not to be confused with the dither or screening resolution which on > the 3800 may be anywhere from 720 to 2880 dpi (and at some > resolutions the dot size is variable). Note that the setting in > Ligtroom is "ppi" that's Pixels Per Inch; and the various settings in > the Epson Print Dialog are "dpi" Dots (of ink) Per Inch. > > So to answer your question a little more directly, no there is > nothing wrong with specifying 480 ppi, but the printer driver will > down-sample the file, and it may be a little slower because the 480 > ppi file is larger. > > Hope this helps, > > > Gilbert > http://www.upstatelight.com > > > On Sep 7, 2007, at 10:35 PM, Charles Hehl wrote: > >> I am trying to optimize my printing with an Epson 3800. I am using >> Lightroom to process the images. >> >> I have a few questions regarding maxium usable resolution of a >> photo sent to an Epson 3800 for printing. >> >> Lightroom has an option in the print module for specifying the >> resolution (dpi) of the file sent to the printer. The range of >> values specified in Lightroom is 72-480 dpi. I seem to recall >> reading somewhere that there was an upper limit to the resolution >> of the file being sent to the printer...i.e., anything greater >> than say 300 dpi was wasted. >> >> Does anyone know what the upper limit is for an Epson 3800? Is >> there a problem with specifying 480dpi Lightroom as the default? >> >> Thanks in advance for any insights. >> >> Charles Hehl >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information