Archived posting to the Leica Users Group, 2007/04/25
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]No, if you look at the original RAW file, the two halves are exactly in the middle, at 1952 pixels from the edges. On Apr 25, 2007, at 3:41 PM, Tom Schofield wrote: > I didn't see it until I went full screen. I'll bet its a > reflection off the window because it appears to have the window > pane iine in it. > > Tom Schofield > > > On Apr 25, 2007, at 12:23 PM, Ken Iisaka wrote: > >> I recently encountered a strange M8 imaging artifact in which two >> halves of the sensor appear to have different sensitivity >> characteristics. >> >> http://gallery.leica-users.org/v/kiisaka/LeicaM8/ >> RachelSirois.jpg.html >> >> In this photograph (cropped slightly from the original), the >> shadow level is slightly higher, and slightly more magenta in the >> bottom half (or the right half) of the sensor than the top or left >> half. If you look using a carefully adjusted monitor, you will see >> the line just below the pendant, which is exactly 1952 pixels >> (3904 / 2) from the top, exactly at the middle of the sensor, in >> the original. >> >> Has anyone noted anything like this? My hypothesis is that the >> overblown areas from the window is affecting the circuitry for the >> one half of the sensor. This problem was observed in three nearly >> identical shots that were taken within 10 seconds of each other. >> >> The camera was M8, firmware 1.102, Summilux-M 35mm ASPH, B&W 486 >> filter >> >> I will conduct more tests to see if I can replicate this problem. >> >> >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information