[Leica] What the hell is going on"

[john at mcmaster.co.nz (John McMaster)]

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
>