Ok, now I can follow it, too! 
But I do think that it can be calculated, otherwise it would not make any sense at all to offer it as an option. And sub pixel do count for RC, and the errors tend to accumulate…
Ok, now I can follow it, too!
But I do think that it can be calculated, otherwise it would not make any sense at all to offer it as an option. And sub pixel do count for RC, and the errors tend to accumulate…