On Thu, Mar 18, 2010 at 4:16 PM, Larry Colen <[email protected]> wrote:
> What about the dynamic range of the image on the processed film? I know > that there's some roll off, so that if film can record 9 stops of range, > (numbers POA*) it might only be represented with 7 stops of dynamic range. > Does anyone know off hand what the real values are for these numbers? I think that ratio (e.g. 7/9) is essentially the "contrast index" or "gamma", which is the slope of the "H-E" (density-exposure) curve. See for example: http://motion.kodak.com/motion/uploadedFiles/US_plugins_acrobat_en_motion_newsletters_filmEss_06_Characteristics_of_Film.pdf Tinyurl version: http://tinyurl.com/ye8pk52 -- 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.
