Archived posting to the Leica Users Group, 1997/05/26
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]> > ROB HEYMAN wrote: > > > > > > > Can anyone solve this for me. When using my M6 with Kodak infra red > > > > B&W film outdoors in bright sunlight I get a circle of higher density > > > > exactly in the centre of the negative. > > > > > > > This, of course, results in a lighter toned area which would cover > > > > about 2cm on a 9x13 print. It appears to happen only when the aperture > > > > is f11 or f16. The circle is quite sharp edged and could be related to > > > > the aperture size. This would seem to indicate that the shutter blind > > > > is not infra-red light-proof.....a disturbing thought. > > > > > > > Has anyone ever had this problem? Can anyone tell me what may be the > > > > cause? > > > > > > Thanks in advance, > > > > > > Rob How can you be sure it occurred IN the camera? Could it have occurred during loading, storage, or developing?? Do you develop it, or was it done by a lab? Try another roll or two of IR and see if the problem repeats itself, and under what conditions. Stephen Gandy