17 Oct
2012
17 Oct
'12
10:25 p.m.
Yet with OSX 10.5.8 and PS CS4. Exposure slider is what you read, exposure, and afects to image as if you open or close diaphragm, or up or down shutter speed or "film speed". Brightness slider afects mainly to the center of histogram without immediate tendency to clip highlights or shadows. Salud Jose Bueno