is something wrong with my camera?
The below photo is done with NEX-5 at ISO 800, RAW, overexposed in Lightroom on purpose - I am okay with enormous noise at this light conditions but I don't understand why there are noticeable lines (of noise) across the whole frame.. they are still visible when I reduce the exposure to the point where I want the image to be.
I don't remember such situation with other shots at similar iso (or even higher)..
Is there something wrong with the camera?
Thanks for any possible clarifications.