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 Rob, I wouldn't expect the shutter curtain to be infra-red proof, it's just cloth. Try keeping a metal lens cap on between shots. Have fun, Colin