Archived posting to the Leica Users Group, 2005/04/28
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]The scans I make on Minolta Dimage 5400 at 16 bit are approximately 250mb each! I archive them to DVD and only scan the keepers. The scanner is excellent. ----- Original Message ----- From: "Scott McLoughlin" <scott@adrenaline.com> To: "Leica Users Group" <lug@leica-users.org> Sent: Wednesday, April 27, 2005 8:07 AM Subject: Re: [Leica] Some new Leica photos ... >I have the same problem with tiff files of large hi res scans. A 4000 DPI >scan > saved as a 14 bit (Nikon V) Grayscale TIFF is something like 41MB per > frame. > A roll of film is over 1GB and won't even archive to a CD, perhaps a more > serious issue for me than HD space (although, that too quickly becomes an > issue). > > Different applications have different problems with TIFF lossless > compression > schemes (zip, lzw), so that doesn't present itself as a viable option. > > What's worse, though, is that JPEG is 8 bit, so I loose alot of > information > before even JPEG compression kicks in. > > The whole thing is odd to me, I recall the days of PCX, and we've come a > long > way since then. But why isnt' there a universally supported lossless > compressed > format that supports 16 bit gs and 48 bit color? Really wierd to me. > > What do other folks do to archive hi rez scans of rolls of film? > > Scott > > SonC@aol.com wrote: > >>Hmmm. I don't save in TIFF as it takes up too much real estate on my >>drives. I save as high quality jpeg, usually around 300 ppi (Negs, of >>course get a much higher ppi). >>Then if I edit the shot, I save it as another name , preserving the >>original scan. Jpeg gets lossy if you save it over and over, so always >>edit a duplicate of the original scan. >>I also do any unsharp masking after the resizing and before I "save for >>web," remembering to tick the box "save icc profile." >> >> >>Regards, Sonny >>http://www.sonc.com >>Natchitoches, Louisiana >>Oldest continuous settlement in La Louisiane >>égalité, liberté, crawfish >> >> >> >>In a message dated 4/26/2005 11:41:28 P.M. Central Daylight Time, >>nathan.wajsman@planet.nl writes: >>Jay, >> >>You should always scan at the maximum optical resolution of your scanner >>and save the images as 16-bit TIFF files. Do all your corrections and >>sizing at this level, and then downsize for web display as the very last >>step. >> >>Nathan >> >>Jay wrote: >> >> >>>This is definitely a newbie question - what res/dpi do you scan your >>>35mm >>>negs for maximum effectiveness? >>>File size is not an issue. >>> >>>Jay Ignaszewski >> >> >> _______________________________________________ >>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 > -- I am using the free version of SPAMfighter for private users. It has removed 369 spam emails to date. Paying users do not have this message in their emails. Try www.SPAMfighter.com for free now!