Archived posting to the Leica Users Group, 2006/06/15
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]At 1:27 PM -0400 6/15/06, Francis, Michael wrote: >Doesn't correcting for light fall off imply that the information at the >periphery of the image will be at a higher effective ISO and hence far >more noisy than the central part? So unless Leica is able to squeeze >lower noise out of the sensor (assuming a 1 stop falloff) an ISO 400 >image would only be ISO 400 in the middle and ISO 800 at the periphery >... and even the Canon's struggle with noise when they are that slow. I >suspect that new 'digital optimized' lenses will be a requirement for >high ISO shooting at wide angles. Time will tell and I hope they get it >right as I'd love to be able to use my M Leica stuff for digital. > >Mike > > Yes, you lose dynamic range. You do on the Epson, you will on the DM. In practice it isn't quite as big a deal as it sounds (at least on the Epson), and I don't think it will be a killer on the D-M either. -- * Henning J. Wulff /|\ Wulff Photography & Design /###\ mailto:henningw@archiphoto.com |[ ]| http://www.archiphoto.com