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Prefferred File Types
Old 10-28-2005, 01:40 AM   #1 (permalink)
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Okay, an informal poll to see what's up with the rest of you. What file format do you like to save your finised image as and why? Myself, I like .eps or .psd. Yes, here at home, I am stuck with a pc, but even when I use a Mac, it's still the same formats. I like eps's due to the fact that there isn't any compression and the image quality stays the same. Photoshop doc's are my second choice because it allows me to save extra channels and layers, etc. Well, what do you like?

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Re: Prefferred File Types
Old 10-28-2005, 02:44 AM   #2 (permalink)
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I save two version of each of my processed images. Since I shoot exclusively in RAW, I save the original RAW and I also save the PP'd .PSD file; unless there's only a single layer, and then I save in TIFF (compressed) format since it's a non-lossy format.
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Re: Prefferred File Types
Old 10-28-2005, 06:40 AM   #3 (permalink)
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[ QUOTE ]
I like eps's due to the fact that there isn't any compression and the image quality stays the same

[/ QUOTE ]

Couldn't the same be said for the PSD?

The Encapsulated Postscript File was originally designed for portability, think of it as an early version of PDF. You could take your Quark Xpress, Freehand, Pagemaker, Word, or whatever document, save it to an EPS file, and get it printed wherever, no matter what application the print shop uses. EPS is really a vector file format, unless Adobe has changed it much over the years. It was also a slick format for clipart, because you could resize it and it included a bitmap thumbnail to get a rough preview.

When you your photo as an EPS, you really aren't doing anything more than saving a bitmap (BMP) in an EPS wrapper. So, in the long run, you might be costing yourself a significant amout of disk space. I'm not sure if EPS uses any compression, like storing the image as a compressed TIF, but you could compare the file sizes really quickly and see.

I'm not trying to disparage what you do, you've got a process, and it's working for ya, and technically, there's nothing wrong with using EPS. I'm just explaining what an EPS really is (or was) for, so that if someone is looking for alternatives, they'll be informed. If you want a second format to save your files, I'd suggest compressed TIF, since you aren't losing any image or color data.

Me, I save the original RAW (16-bit), and the final PSD (8-bit, after all processing is done in 16-bit). I tried taking a few compressed TIFs from Adobe CS to a local department store processor, and the Kodak PC front end wouldn't read the files. Canon's Zoombrowser won't either. That may be a file-size limitation on both.

OK, that's my Cliff moment. Sam, I'll have another beer.

Cheers!
Glenn K.
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Are you work a Mac. . .
Old 10-28-2005, 10:29 AM   #4 (permalink)
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if so you need to save your TIFFs in PC format. That might cure your "inscrutable" TIFFs.
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Re: Prefferred File Types
Old 10-28-2005, 11:19 AM   #5 (permalink)
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I make backups of my RAW files as soon as they hit the computer.
I then process with PS CS2's Raw converter.
If I open a photo in PS, I save out the working copy as PSD and then use Save for Web to save out a web copy suitably resized.
I never use TIF because it gives no advantages over PSD. You can't use the compressed TIF because it won't always open with other programs and services.
If I need to send a file to someone, I just convert from the PSD to what they ask for (which is usually JPG anymore).
I don't generally use EPS since that is just a postscript wrapper around a bitmap image of the file.
PSD seems to be best because it saves your layers, etc and there all there for future work.
Cheers,
rfs
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Re: Prefferred File Types
Old 10-28-2005, 11:57 AM   #6 (permalink)
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Yeah, I got into the habbit of using an eps file type when I started working in the advertising industry. Otherwise, I use a lot of photoshop format in saving. Since I don't shoot digital, no use or need for RAW format. Personally, I hate jpeg's, too much compression and too much lost, especially in the area of image quality, but hey, that's the only file type the average person knows about.

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Re: Prefferred File Types
Old 10-28-2005, 11:59 AM   #7 (permalink)
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For the most part, yes. There is a small amount of compression with a photoshop file, but not much, it's the best overall file type I think. But I've gotten into the habit of using eps's when I started working in the advertising industry. .psd's have a lot of advantages, and that's what the vast of my files here at home are saved in.

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Re: Prefferred File Types
Old 10-28-2005, 12:17 PM   #8 (permalink)
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More and more printing places are asking for JPG, however, which is why I usually just churn out whatever the printer asks for. I send them a JPG quaility at the highest setting which has minimul compression. I get back pretty fantastic prints from some of these places, so JPG must work okay.
I used to use EPS files alot especially when I was still programming, but rarely anymore.
Cheers,
rfs
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Re: Prefferred File Types
Old 10-28-2005, 12:52 PM   #9 (permalink)
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I do alot of printing on a weekly basis, for events, flyers, business cards and the such. best format for output is EPS. JPG all depends on the quality you save it at, in photoshop if saved at 10-12 quality, it is really undetectable any difference in quality compared to EPS. But the true question is what the files you are saving is for. In this forum it's photography i would say jpg is best to be used for lower quality viewing, posting and the likes, but i typically save all PSD's so I can go back and make any changes to the file if need be...
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Re: Are you work a Mac. . .
Old 10-28-2005, 02:24 PM   #10 (permalink)
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No, I'm a Politcally in-Correct PC kinda guy. I like Macs, too, but I don't have the budget for two copies of every application (PC and MAC).

To answer your question, they were PC format.

Cheers!
Glenn K.
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