Archived posting to the Leica Users Group, 2001/11/06
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]> In film, a 1 > micron square silver halide grain contains 20 Billion silver halide > molecules, each capable of being hit (exposed) by a photon. It only > requires three being hit to produce a developable speck. A digital sensor > pixel (the minimum recording spot) is 5 microns square (25 sq. > microns vs 1 > sq micron) and will ultimately report a light level of 0-255 (256 levels) > for this whole vast area of 25 sq. microns. This is why Leica lenses out > perform most other lenses on film, but are no better than > anything else on > pixels. Excellent information Jim, thanks! > And why film can record deep shadows and bright highlights in the > same scene. Digital sensors cannot. What is the latitude of digital sensors in your experience? How does that compare to film? - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html