if jpeg is lossy, then why is it used by digital cameras? (other than bacause tiffs are too darn huge)
The main reason why most camera's shoot in jpeg format is so that you can stick more images on a card. Plus, for most people who own a point and shoot camera, they'll never print a picture, just email them and look at them on their monitors (computers), so shooting as a .tiff isn't really a big deal. The majority (if not all) point and shoot cameras capture at 72 dpi, which oddly enough is the same resolution that your monitor displays at (for the average joe who doesn't up their display resolution).
Even the professional cameras have the ability to shoot in a jpeg format. Reason for that is (again) to stick more images on a card. Also, shooting in a jpeg format with a pro camera allows the photographer to shoot at a higher fps (frames per second) for a longer duration of time. The newspaper photographers almost always shoot in jpeg format. A wedding photographer, or a photographer that will be making prints from their shots will almost always shoot in a .tiff format, soley for the higher quality.
Did that explain it well enough Gallo_Pinto? Although, I'd agree with SteveS------LONG LIVE FILM! _________________ All gave some, some gave all.....Lest we forget that war produces veterans, wounded both mentally and physically, and it is our job to help them now, as they have already helped us all in ways we will never know, and in ways that we take for granted every day.
I did some tests here at work comparing images shot in RAW versus TIFF. I was really surprised how much better the images converted from RAW turned out.
Someone explained it to me…
Shooting in TIFF is like shooting slide film: exposure and color balance had to be right on at moment of capture.
Shooting in RAW is like shooting with negative film: color balance, brightness and contrast could all be adjusted from the negative in printing process.
I did some tests here at work comparing images shot in RAW versus TIFF. I was really surprised how much better the images converted from RAW turned out.
Someone explained it to me…
Shooting in TIFF is like shooting slide film: exposure and color balance had to be right on at moment of capture.
Shooting in RAW is like shooting with negative film: color balance, brightness and contrast could all be adjusted from the negative in printing process.
Well, right now I use the Kodak 660 dcs camera. It comes with software to import the images into photoshop, and the software is used as a plugin with photoshop 6 (doesn't work with anything higher than 6.0.1) which is why I'm stuck on PS6. When I import, I can adjust the light balance, exposure and a variety of other things using this plugin, but it only works with raw formats, wich for this camera is a .tiff. If I use Kodak photodesk (which I can't stand, stupid memory hog of a program), I can adjust the same things, but also with both raw and jpeg formats, but only with Kodak's 7xx series cameras, or their 14n or higher. So, I guess that it's dependent upon what software and type of camera you are using that decides what you can do with a raw, .tiff or .jpeg image right off.
Here's a screenshot of the import command.
import snapshot.jpg
Description:
Filesize:
60.66 KB
Viewed:
202 Time(s)
_________________ All gave some, some gave all.....Lest we forget that war produces veterans, wounded both mentally and physically, and it is our job to help them now, as they have already helped us all in ways we will never know, and in ways that we take for granted every day.
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