In the develop module of Lightroom, and in Adobe Camera Raw, double-clicking on a slider usually resets it to it's original default value.
gs George Sinos -------------------- [email protected] www.georgesphotos.net plus.georgesinos.com On Sun, Feb 19, 2012 at 6:56 PM, Larry Colen <[email protected]> wrote: > In lightroom (and I imagine PS camera raw), what is the difference between > the exposure slider and the brightness slider? > > I expect that exposure is just a linear multiplier on the raw value, the > slope of the line as it were, and the blacks slider is the "b" of the y=mx+b > of a linear conversion from raw to final. > > I can't figure out what the brightness slider does. It's odd that in library > mode, if you click on brightness twice, it seems to go to a default of 0, > while in develop mode, clicking on it twice seems to set it to 50. > > I'd actually be interested in seeing a simple description of the mathematical > transforms of each of the lightroom exposure sliders, so I could better > understand what I'm actually doing when I twiddle and frob them. > > -- > Larry Colen [email protected] sent from i4est > > > > > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
