Archived posting to the Leica Users Group, 2001/04/10
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]On Tue, 10 April 2001, "Jason Hall" wrote: > > Can somebody help me with Photoshop v5.02? > > Im somewhat baffled by Photoshop, I dont need to print, have a > conventional darkroom for that but I'm having trouble preparing images > for online use. I get the scan looking presentable, resize it, adjust > the resolution to 71 dpi (I seem to remember hearing somewhere that > was the optimum for screen display) , so far so good. > > As soon as I save it as a JPEG and reopen it in anything other than > Photoshop Im getting "artefacts"? I dont know if thats the right > word, but I get "waves" in the highlights. If I save it at low enough > compression to avoid the"waves" the file is in excess of 150K, which > is really too big. I see plenty of photos on line smaller than this > that don't have these "waves". > > What should I be doing in "JPEG OPTIONS" to avoid these "waves"? I > usually set the quality to "5 - medium" and format options is set at > "BASELINE - STANDARD". > > I have a typical pic in front of me 572 x 370 pixels, 71dpi, looks > fine in photoshop, but as a HTML attachment or in any other software > the "waves" appear in the highlights. > > Pics produced with a Leica of course! > > Thanks > > Jason Jason, the dpi shouldn't matter with a jpg for screen display. Just make the image the pixel size you want. I use BASELINE OPTIMIZED rather than BASELINE STANDARD. This will reduce your file size some. Doug Herr Birdman of Sacramento http://www.wildlightphoto.com ___________________________________________________ The ALL NEW CS2000 from CompuServe Better! Faster! More Powerful! 250 FREE hours! Sign-on Now! http://www.compuserve.com/trycsrv/cs2000/webmail/