filmscanners: RE: filmscanners: Nikon IV test results

2001-08-15 Thread Rob Geraghty
Mike wrote: Early tests using the Stouffer gray scale obtained with Vuescan (Slide setting and BW=0.001) show exceptional linearity down to an OD of 2.11, then an abrupt flattening of the curve above that. Dumb question - are you using 48 bit output from vuescan? Rob Rob Geraghty [EMAIL

Re: filmscanners: RE: filmscanners: Nikon IV test results

2001-08-15 Thread Mike Duncan
Mike wrote: Early tests using the Stouffer gray scale obtained with Vuescan (Slide setting and BW=0.001) show exceptional linearity down to an OD of 2.11, then an abrupt flattening of the curve above that. Dumb question - are you using 48 bit output from vuescan? Yes. I'm going to mail my

filmscanners: Nikon IV test results

2001-08-14 Thread Mike Duncan
Early tests using the Stouffer gray scale obtained with Vuescan (Slide setting and BW=0.001) show exceptional linearity down to an OD of 2.11, then an abrupt flattening of the curve above that. Using OD axis, the sensitivity is actually highest between 1.6 and 2.11. It appears the sensor or the