2010/11/8 Boris Liberman <[email protected]>: > Finally, like Miserere said to me on another occasion, I would like to be > shown a print that /really/ illustrates the advantages of K-5 14-bit 14.1 Ev > dynamic range over inferior K-7. Until then, I will see no reason to strain > myself one more time for upgrade purposes... > > Boris
I think (for what I understand on the subject) that it is exactly something impossible to demonstrate: the print would be unable to prove anything. What DR allows (and 14bit is just a way to package the infos without throwing away part of it) for is to have more exposure latitude. Think of it as making positive film vs. neg film. Neg film is forgiving unless you really screw it up and you can correct for it when 'printing' (lab). The positive is not forgiving at all AND you can't correct it. A RAW with low DR is somehow like a positive film, you can't do much with it in term of exposure corrections: blown highlights are blown and will stay blown,and dark parts will stay o because recovering them will only add noise and nothing else interesting. -- Thibault Massart aka Thibouille/Thibs ---------------------- Photo: K-7, Sigma 28/1.8 macro, FA50/1.4, DA40Ltd, K30/2.8, DA16-45, DA50-135, DA50-200, 360FGZ ... Laptop: Macbook 13" Unibody SnowLeo/Win7 Programing: Delphi 2009 -- 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.
