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[filmscanners] Re: Archiving and when to sharpen (was: Color spaces fordifferent purposes)

>I have to wonder if the publicist and publisher are requesting jpeg
>files rather than lwz compressed TIFF files out of force of habit ...

>From one, file size was specifically mentioned.  Others may be due to habit, 
>or their experience that once image goes through their prepress and screening 
>they likely cannot discern a difference in the printed result.

Bob Shomler

>>Another aspect of purposing, different for different destinations, is the
>>file format.  I've had more than one publicist and >publisher request that
>>I provide (email, ftp) a jpeg in preference to a tiff because of the file
>>size. (For this I use a high/maximum quality in photoshop terms: 10 to 12.)
>Although I concur with all you have said, I have to wonder if the publicist
>and publisher are requesting jpeg files rather than lwz compressed TIFF
>files out of force of habit, lack of knowledgabout the ability to compress
>TIFFs using the lwz compression which is as good if not better than the JPG
>compression  at levels 10-12, or a lack of any real concern over quality of
>the file they are getting.
>While jpg is the most known and common compression format on and for the web
>and may even be necessary if you are sending the file as an email
>attachment, to achieve that usefulness on the web or as an email attchment
>it is often necessary to use compression levels of 5 or less which really
>tends to loss a lot of data and information.  However, for FTPing, it
>usually is not a necessity to reduce the file sizes to very small levels
>since most of the publishers and publicists generally have some sort of
>direct high speed connection to the internet and relatively large server
>space to store downloading files, as well as a desire to get maximum quality

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