>> 
>> I have "Adobe ACE", Apple CMM, Heidleberg CMM and apple Coloursync engines
>> available to me in PS. Anyone have an idea which is preferred and why?
 
> AppleCMM becomes the default.
> 
> As for AppleRGB (gamma 1.8, 6600k) small space some call "safe."
> 
> ColorMatchRGB (gamma 1.8, 5000k) small space but conforms to
> standardized viewing conditions.
> 
> AdobeRGB (gamma 2.2 6600k) is somewhat larger but can present out of
> gamut colors to unseasoned recipients.
> 
> sRGB (gamma 2.2, 6600k) small space with some tonal compression.
> 
> The bottom line is: all of these spaces are valid. If the file is
> accurately tagged in an actual workspace the file is a workable file
> for most applications and/or conversions. The premise of working and
> archiving in as large a space as possible is a good one, though the
> reality of handing off files in a safe space is also a wise one. We
> tend to work and archive in AdobeRGB, but hand off in sRGB to avoid
> calls from non-CM folks running a host of applications which tend to
> default to sRGB anyway.
> 
> Professionally I work in AdobeRGB. Though I prefer ColorMatchRGB as a
> 'safe' hand-off space...but that's just because I'm an old
> RadiusPressView hack.
> 
> Hope that helps....
>
Yes indeed. Thanks and thanks to those who replied off list.

Andy

-- 
Andy Johnstone Photography
Member of the Association of Photographers (UK)



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