Archived posting to the Leica Users Group, 2006/12/21
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]On 12/21/06 8:26 AM, "MARK DAVISON" <davison_m@msn.com> typed: > Tina, > > Incandescent light is particularly rich in infra-red. > > Remember also that the part of the image due to infra-red light will not be > in focus. That might account for part of the blurring of the flame image. > > I would bet that the flag in your picture was made out of synthetic fabric. > Synthetics are notorious for their high IR reflectivity. > > My opinion is that you cannot use the M8 to photograph indoor events in > color which are lit by IR rich sources if there are synthetic fabrics > present. > > Please note that changing WB after the fact cannot fix the IR problems--the > IR contamination shifts the colors of objects differently, depending on how > much they reflect IR. Synthetic black goes to magenta. Synthetic green > goes > to gray, and so forth. > > Mark Davison > So some guy who got an A in Math cant come up with an algorithm for that some night at 3 AM? They figured out how to make the pixel grabbers bend in from the edges this is just software?!? Mark Rabiner New York, NY 40?47'59.79"N 73?57'32.37"W http://rabinergroup.com/