Re: [PRODIG] RAW format compared to JPEG

[Patrick Baldwin]

On 28 Nov 2003, at 18:42, Stefanie Kappel wrote:
1. What is in quality terms really the difference of raw format and 
jpeg -
if TIFF is not available- should I always use the raw format (assuming 
I
have enough capacity on my capture cards?
Yes because RAW gives you the option to work in 16bit  and alter lots 
of different parameters  such as colour temperature giving you more 
security. Jpeg will give you an 8 bit file that cannot stand much 
manipulation without degrading so therefore far fewer post production 
options.
2. Is the compression of JPEG compared to RAW so bad that it is 
visible?
No but that isn't the point of RAW
3. Can PS especially the new CS handle and convert raw files or do I 
have to
use (as in my case) FujiFinepixViewer to process the RAW data from the 
Fuji
S7000?
CS can do RAW. It might not specifically support your camera but 
probably does.
4. Shold one always use the highest quality setting on the camera even 
if I
know that I will only use A4 size and therefore have to downsample the
images?
I think so. You never know what the client might want 5 minutes or 5 
weeks after the shoot. Better to downsample than upsample.
Best wishes. Patrick.
http://www.patrickbaldwin.com
020 8891 2516
07802 408 638
A member of The Association of Photographers

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