Datacolor User to User Support Group.

On Nov 22, 2010, at 9:07 AM, keith wrote:

> --- In datacolor_group@yahoogroups.com, C D Tobie <CDTobie@...> wrote:
>> Which CMM is used does not really cause much variation in results; it's a bit like worrying about which brand of motor oil is used in your car...  As long as the workflow is functioning for you, I wouldn't worry about it. 
> 
> Whilst normally I'd completely agree that such concerns are not really that relevant, in the Mac version of the Canon plugin there is a similar 64 bit limitation.
> 
> This means that in 64 bit I only get perceptual, sat or rel col with no BPC available.
> 
> The option of BPC can be quite handy :-)
> 
> Depending on the profiles I'm using and what software made them, I can see noticeable difference in -some- images between the options.
> 
> I'll admit that it's not much, but it would be nice if Adobe did get round to making the external CMM run OK at 64 bit (Mac and Win)

I don't disagree; though I'd rather that Adobe perform the much simpler task of adding a checkbox to turn BPC <off> in Lightroom first, before they develop an entire 64bit CMM to allow users to turn it <on> in direct export modules...

C. David Tobie
Global Product Technology Manager
Digital Imaging & Home Theater
CDTobie@...



Datacolor
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