At 2004-10-20, 10:01:28 karl shah-jenner (shahjen@xxxxxxxxxxxx) wrote: >my understanding of RAW is that it's a direct sensor dump from the ccd to >the memory card without interpretation. > > ie with no settings like ISO / colour balance etc being applied IN camera >(the steps handled by the camera firmware and software - interpolation >algorithyms, colour adjustments, colour temperature etc) it's just a mass >of data. When the data is evaluated on the computer later, that's where >such things are 'set' and the image is modified to suit the camera settings >post-shoot. > >k > > > Even with RAW, the CCD's sensitivity will be boosted as set by the ISO at the time of capture. So choice of ISO does make a difference to the noise/grain in the image (apart from things like shutter speed and stuff). The other stuff is just tagged into the image and then interpreted by the software on the computer. Best regards, Deen 2004-10-20 12:54:14 -- Deen Hameed 0405 649 101 deenhameed@xxxxxxxxxxxx http://www.deenhameed.blogspot.com http://calendar.yahoo.co.uk/deenhameed