Mike Russell wrote:

> At 10:30 pm +0200 15/8/04, Thomas Holm / Pixl wrote:
>> If however, when you have access to a working version of CaptureShop v5. And
>> you use the new Gretag Macbeth camera module, you can not only get the Fuji
>> inline you can get something that will almost appear identical
> 
> Presumably that implies Captureshop 5 will change
> the way in which "The image data is then adjusted
> into a form where assigning an sRGB profile will
> make the image look pleasing"? Would that require
> a firmware update on the backs as well?

v5 will (should) work correctly with profiles.
> 
> But how will the new Macbeth camera module help
> things? Does it have a convertor that accesses
> the RAW fuji files, otherwise you're still
> profiling a profiled file?
Not a profiled file, a processed file, in a legible format.

You will need a raw converter of sorts (see if Silverfast DC supports it?).
But 
> The big difficulty
> with Fuji is going to come if it involves having
> to use their EX Convertor, as nobody would want
> to abandon the functionality of CS for the clunky
> proprietary software.

If you want the functionality of CS, then forget about custom profiles Mike.
If you want custom profiles you don't NEED the functionality of CS. I'm not
familiar with the Fuji software so I can't comment on that.

But if it comes to it, you could profile a jpeg file and get similar colour
to your Sinar backs. If would of course be better to profile a high bit
tiff, which has been run through a RAW converter. [Again you can't profile a
RAW (mosaic) file. You use the raw converter to process the mosaic file
(like you do with the Sinar Captureshop software) to apply tonal and colour
correction etc.]

If you really want to know what needs to be done to a raw file (processing)
have a look at this book:
Colour Engineering
 Achieving Device Independant Colour, Edited by Phil Green and Linday
McDonald. 
In particular chapter 9: Color processing for digital photography, by Jack
Holm, Ingeborg Tastl (both Brilliant colour scientists and very nice people
employed by HP).
The book even shows what raw images looks like before any toning is done,
and after processing, extracted by Jack's own proprietary software.

I'd have to put a fairly heavy Geek alert on this book though, interesting
as it may be, it's not bedtime table reading. Always use a minimum of 1500
lux <G>
 

Best Regards,
Thomas Holm / Pixl Aps

- Photographer, Educator, Colour Management Consultant & Seminar speaker
- Remote Profiling Service (Output ICC profiles)
- www.pixl.dk � Email: th[AT]pixl.dk
-- 



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