On 16/08/06, Toralf Lund <[EMAIL PROTECTED]> wrote: > They way I read the patent (but I haven't studied it very closely), it > addresses certain specific conditions where the (dark) noise is > particularly significant. I'm quite sure the method could improve the > usable range under those conditions; the dynamic range of the actual > sensor is essentially a direct function of the noise, isn't it? However, > I also suspect that these conditions were not really taken into account > when the bit depth was chosen, so the dynamic range would not increase > beyond the one associated with 12 bits - if you know what I mean. (When > we discussed exposure setup etc. I while back, I speculated that sensor > designers might be "defensive" in the sense that they chose the A/D so > that its full range would be usable even under worst-case scenarios, but > based on information I found on the net, I concluded that they aren't.)
Probably damn close until you implement cryogenic cooling. -- Rob Studdert HURSTVILLE AUSTRALIA Tel +61-2-9554-4110 UTC(GMT) +10 Hours [EMAIL PROTECTED] http://home.swiftdsl.com.au/~distudio//publications/ Pentax user since 1986, PDMLer since 1998 -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net