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Re: notches on the L*axis




On Dec 12, 2007, at 1:03 PM, email@hidden wrote:


Klaus Karcher wrote:

I guess it would be hard work (an a substantial expense factor) for
Adobe's support hotline to explain over and over again why one can't get
e.g. 50.0% in 8 Bit files.

Yes, it would offer a peek into the dark underbelly of 8-bit calculations.

Marco, I'm not sure it's a "dark underbelly." 50% of 255 is 127.5, therefore with 8-bit data, you can't get *exactly* 50%. 49.8% and 50.2% are the closest you can get...


But perhaps you realized that.

--Rich Wagner
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