David Kay wrote: >> When you make exposures with a digital back, photons or light energy, are >> converted to electrons or electrical energy, PROPORTIONATE to the intensity >> of the light! Therefore there IS a relationship to exposure in f-stops!
Hi David, Think you'll find that ( as usual ) Thomas is right on this one . It may be a useful analogy to look at the chip as a piano. The lowest note(shadow detail) is governed by the length of the longest wire and the highest note (highlight detail ) by the shortest wire . The dynamic or 'tonal' range is between the two. The higher bit depth , the more keys on the piano. More keys will enable you to play a more sophisticated tune with far less of a jump between notes ,essential with a large dynamic range. But more keys won't enable you to play a higher or lower note than the tuning of the piano. "Dynamic range is an Analogue limitation of the sensor. However a wider dynamic range requires more bits to describe it adequately, producing smooth tonal gradations". Regards ( musically :-) ) Bob Marchant. =============================================================== GO TO http://www.prodig.org for ~ GUIDELINES ~ un/SUBSCRIBING ~ ITEMS for SALE
