View Full Version : TIF to JPEG?
retro
6th of March 2005 (Sun), 23:49
Once I've opened the picture as a TIF in photoshop how do I change it to a JPEG to export it for CD burning? Will I lose any quality when changing to a JPEG from a TIF and what is the best possible format for quality ie. should I stay in TIF for prints or is JPEG the only and best option? Am I making sense?
retro
6th of March 2005 (Sun), 23:52
Also, is a TIF viewable on a random computer like a JPEG is? I've always associated JPEG with a lack of quality, but as a newcomer to print making and general quality control is JPEG the final format everyone uses?
kb244
7th of March 2005 (Mon), 00:11
you'll always lose some level of quality when saving from a loss-less format to a lossy format. You just simply do Save As and pull down the type to do a different format. Jpeg compression level is set by you for the most part, for web-presentation I usally have 7 , for consumer print samples ( quite decent but not what one would call pro-grade ) I usally have a level of 9 or 10 on the image, some stock sites want you to do level 12 if you have to save as a jpeg.
Also Jpeg is openable on almost every computer now days ( WinXP, Mac OS X, etc ), however Tiff may , or may not be compatible, for example on windows XP if you dont have a photo viewing software associated with it, instead of opening in the preview like you would with a Jpeg, it opens Tiff in the fax viewer. I'm not sure how it works on the Macs.
Persian-Rice
7th of March 2005 (Mon), 00:28
I use Tiff. If I am giving an image on Cd, I will give it as a level 12 jpeg. Unless you are posting it on the net, use 12, the differnce in size is little but you preserve all quality possible.
robertwgross
7th of March 2005 (Mon), 01:45
When converting from TIF to JPEG with some editors, instead of a quality level, you have to enter a degree of image compression. So a 50% compression would be severe and lossy. A 1% compression would be almost completely perfect. As long as I convert to JPEG with 5%, then it is virtually perfect. I might use 10% or 20% if it is a "don't care" image.
---Bob Gross---
retro
7th of March 2005 (Mon), 23:21
When converting from TIF to JPEG and "saving as" do you lose your original full sized crw or tif file. I'm afraid this will happen. Someone calm me down.
KenE
7th of March 2005 (Mon), 23:40
When you have a TIF and do Save As (jpeg), the TIF remains. The file saved would have a .jpg (usually) extension, and the original has a .tif or .tiff extension.
Was that what you're asking?
Cheers!
chris.bailey
8th of March 2005 (Tue), 01:01
silly question maybe but why are you going from tiff to jpg? Having gone from RAW to tiff, going on to jpg is a loss of quality, whatever level of compression you use. tiff also maintains layers from photoshop.
retro
8th of March 2005 (Tue), 07:39
When you have a TIF and do Save As (jpeg), the TIF remains. The file saved would have a .jpg (usually) extension, and the original has a .tif or .tiff extension.
Was that what you're asking?
Cheers!
Yeah that answers it. Thanks a lot!
retro
8th of March 2005 (Tue), 07:40
silly question maybe but why are you going from tiff to jpg? Having gone from RAW to tiff, going on to jpg is a loss of quality, whatever level of compression you use. tiff also maintains layers from photoshop.
When I give proofs to clients JPEG is the easiest to view I think. I just want to make sure that it is convenient for the client.
kb244
8th of March 2005 (Tue), 08:51
When I give proofs to clients JPEG is the easiest to view I think. I just want to make sure that it is convenient for the client.
I assume yer resizing as well before giving it to the clients.
retro
8th of March 2005 (Tue), 21:12
Yes sir. I'm reading a ton right now in the FAQ's. Thanks for all the help!
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