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Best format quality for copying slides & negatives
Hi all, need some opinions,
My Oly C-700UZ offers three formats (actually four, but the little one doesn't matter here), TIFF, SHQ (which I assume means Super High Quality), and HQ. Digitizing slides in TIFF gives a very large file in terms of disk space and picture size, while SHQ & HQ are fairly close to one another in size. Realizing that the file size can be adjusted, is there any practical advantage to any one of them as far as the best resolution and final picture quality ? Thanks much, Perk (:) |
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Best format quality for copying slides & negatives
Perk wrote:
Hi all, need some opinions, My Oly C-700UZ offers three formats (actually four, but the little one doesn't matter here), TIFF, SHQ (which I assume means Super High Quality), and HQ. Digitizing slides in TIFF gives a very large file in terms of disk space and picture size, while SHQ & HQ are fairly close to one another in size. Realizing that the file size can be adjusted, is there any practical advantage to any one of them as far as the best resolution and final picture quality ? There are differences and they relate to file size. The larger the file the more information that is stored. I suggest that if you intend to edit the files that you stick with TIFF at least until after you edit them. If you are not planning on editing them, then I suggest that you consider testing and seeing for yourself how they hold up for the use you intend for them. If it is your intention to display them on a computer screen do that if you want to make prints, do that. Now take a good look and see if you see a difference, if not go with the smaller size as there is no advantage to YOU. I might see it different, but they are not my prints. Thanks much, Perk (:) -- Joseph Meehan Dia duit |
#3
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Best format quality for copying slides & negatives
My Oly C-700UZ offers three formats (actually four, but the little one
doesn't matter here), TIFF, SHQ (which I assume means Super High Quality), and HQ. Digitizing slides in TIFF gives a very large file in terms of disk space and picture size, while SHQ & HQ are fairly close to one another in size. Realizing that the file size can be adjusted, is there any practical advantage to any one of them as far as the best resolution and final picture quality ? This is the way I did it: http://tinyurl.com/c2et8 The best quality jpg will be fine. There is very little difference between this and a tiff. However, before doing any editing, mark the jpg as read only. Then edit and save as a different name. If you ever need to edit again, go back to the original read only file and edit that. Malcolm |
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Best format quality for copying slides & negatives
On Thu, 3 Nov 2005 21:59:16 +0200, Malcolm wrote:
However, before doing any editing, mark the jpg as read only. Then edit and save as a different name. If you ever need to edit again, go back to the original read only file and edit that. That'll work, and it's much safer than working with the original files. When I do that with non-image files I always make sure that I save a renamed copy *before* starting any edits. If an accident happens before the name is changed (accidentally typing Control-S or not realizing the program has a timed auto-save feature), there goes the original file. But for photo images I find it safer to never edit the original files. They're kept in a known, easily found location, and only copies (usually on another drive) are edited. This way if I ever need to go back to the original, I know exactly what the name of the file is, since it's the same as the edited copy. Even if for some reason it's desirable to change the filename, it's probably a good idea to have the new filename contain an embedded copy of the original filename. |
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