Archived posting to the Leica Users Group, 2014/01/01
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]I find that noise levels vary tremendously depending on (a) getting the right exposure, and (b) the colour content of the image. Gerry Gerry Walden +44 (0)23 8046 3076 or +44 (0)797 287 7932 www.gwpics.com On 2 Jan 2014, at 05:10, John McMaster <john at mcmaster.co.nz> wrote: > Exaggerating by a factor of 10? > > john > >> -----Original Message----- >> >> I have a Lumix DMC-LX5 that I bought from a LUG member. It's ISO goes up >> to an apparently ridiculous ISO 128,000. The picture I recently published >> (Cat >> Bed) was shot as ISO 32,000. It was noisy as hell and I had to apply much >> LR >> noise reduction to it. >> >> On New Year's Eve I took a bunch of shots in a dimly lit restaurant at >> 128,000. >> They showed absolutely no noise when viewed in LR at 1:1. When I >> discovered this, today, I took a set of test shots from ISO 8000 through >> 128000 at the same aperture. The shutter speed doubled at each step as it >> is >> supposed to. Again, when I examined the shots, the noise peaked sharply at >> ISO 32000 an fell off at either side of it. >> >> I'm delighted to be able to shoot at 128000, but I ask: "What the hell is >> going >> on?) >> >> Herb >> >> Herbert Kanner >> kanner at acm.org >> 650-326-8204 >> > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information